Volvo A25d A30d A35d A40 Adt Wiring Electrcal Diagram Manual – PDF DOWNLOAD

SERVICE MANUAL

A25D/A30D A25D A30D

BRA 1357512474-

PED 73153-

CONTENT 3 Electrical and Information Systems 37 Cable, fuse, relay

.

Foreword This booklet is part of a complete service manual. Read the foreword in the service manual.

n

WARNING!

Always read the booklet Safety before proceeding.

VOE 21 A 1001455

1

Contents 37

CABLE; FUSE; RELAY

370 General, common info about 371 - 379 Components, list and positions ........................................................................................ 3 Component position 1–10 .............................................................................................. 3 Component position 1, AL3201–31GR1........................................................................... 4 Component position 2, HE2301–LA3601 ......................................................................... 6 Component position 3, LA3602–LC4202 ......................................................................... 8 Component position 4, LC4601–MA4207 ...................................................................... 10 Component position 5, MA4601–R3502 ........................................................................ 12 Component position 6, RC8401–SA4201 ...................................................................... 14 Component position 7, SE2202–SE5202....................................................................... 16 Component position 8, SE5203–SO3901 ...................................................................... 18 Component position 9, SW2301–SW3801 ..................................................................... 20 Component position 10, SW4201–SW9102................................................................... 22 Explanation of wiring diagrams ...................................................................................... 24 Electrical symbols and designations .............................................................................. 25 Grounding points (chassis connections)......................................................................... 29 Wiring diagrams ............................................................................................................. 31 Wiring diagram A01 ........................................................................................................ 32 Wiring diagram A02 ........................................................................................................ 34 Wiring diagram A03 ........................................................................................................ 36 Wiring diagram A04 ........................................................................................................ 38 Wiring diagram A05 ........................................................................................................ 40 Wiring diagram A06 ........................................................................................................ 42 Wiring diagram A07 ........................................................................................................ 44 Wiring diagram A08 ........................................................................................................ 46 Wiring diagram A09 ........................................................................................................ 48 Wiring diagram A10 ........................................................................................................ 50 Wiring diagram A11 ........................................................................................................ 52 Wiring diagram A12 ........................................................................................................ 54 Wiring diagram A13 ........................................................................................................ 56 Wiring diagram A14 ........................................................................................................ 58 Wiring diagram A15 ........................................................................................................ 60 Wiring diagram A16 ........................................................................................................ 62 Wiring diagram A17 ........................................................................................................ 64 Wiring diagram A18 ........................................................................................................ 66 Wiring diagram A19 ........................................................................................................ 68 Wiring diagram A20 ........................................................................................................ 70 Wiring diagram A21 ........................................................................................................ 72 Wiring diagram A22 ........................................................................................................ 74 Wiring diagram A23 ........................................................................................................ 76 Wiring diagram A24 ........................................................................................................ 78 Wiring diagram A25 ........................................................................................................ 80 Wiring diagram A26 ........................................................................................................ 86 Wiring diagram A27 ........................................................................................................ 90 Wiring diagram A28 ........................................................................................................ 96 372 Electrical distribution box; fuse; relay; circuit breaker Electrical distribution box, description .......................................................................... 102 Fuses.......................................................................................................................... 103 Relays ........................................................................................................................ 105 Other fuses and relays, description .............................................................................. 106 Other fuses................................................................................................................. 106 Other relays................................................................................................................ 107

2

ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS 37 CABLE; FUSE; RELAY 370 General, common info about 371 - 379 Components, list and positions Component position 1–10 •

Component position 1, AL3201–31GR1, page 4

•

Component position 2, HE2301–LA3601, page 6

•

Component position 3, LA3602–LC4202, page 8

•

Component position 4, LC4601–MA4207, page 10

•

Component position 5, MA4601–R3502, page 12

•

Component position 6, RC8401–SA4201, page 14

•

Component position 7, SE2202–SE5202, page 16

•

Component position 8, SE5203–SO3901, page 18

•

Component position 9, SW2301–SW3801, page 20

•

Component position 10, SW4201–SW9102, page 22

3

Component position 1, AL3201–31GR1

Fig. 1 1, component position AL3201–31GR1

4

Table 1. Component list 1 Position, Designation, Description

Wiring diagram

Electric power supply 1 (a) AL3201 Alternator

Wiring diagram A04, page 38

2 3

BA3201 BA3202

Battery 1 Battery 2

Wiring diagram A04, page 38 Wiring diagram A04, page 38

Fuses 4 5 6 7 8

FC1 FC2 FC3 FH1 FH2

Main fuse HE2501 Preheating induction air MO3702 Hood pump Sensor, preheating Delayed stop

Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A25, page 80 Wiring diagram A05, page 40

9 10

FH3 FH4

RE2501 Preheating induction air Drain water in fuel Exhaust brake

Wiring diagram A05, page 40 Wiring diagram A05, page 40

Fuses on circuit board 11 FU1–FU42 see Electrical distribution box, description, page 102 Grounding points (see also Grounding points (chassis connections), page 29) 12 31GC1 Cab 13 31GE1 Engine, right rear 14 31GF1 Frame, tractor unit, by upper mount dropbox 15 31GF2 Frame, tractor unit, by left brake booster 16 31GF3 Frame, tractor unit, by right engine mount rear 17 18 19 20 21

31GF4 31GF5 31GF6 31GFSM 31GR1

Frame, tractor unit, under cab steps Frame, tractor unit, by engine hood pump Frame, tractor unit, by alternator Starter motor Frame, load unit

Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38

a. Position depending on engine type. D10B (A), D9A (B)

5

Component position 2, HE2301–LA3601

Fig. 2 2, component position HE2301–LA3601

6

Table 2. Component list 2 Position, Designation, Description

Wiring diagram

Heating coil 1 HE2301 (a) 2 HE2501

Heating coil, fuel heating Heating coil, preheating induction air

Wiring diagram A25, page 80 Wiring diagram A25, page 80

3 4 5

HE3601 HE3602 HE3603

Heating coil, rear-view mirror, left lower Heating coil, rear-view mirror, left upper Heating coil, rear-view mirror, right lower

Wiring diagram A08, page 46 Wiring diagram A08, page 46 Wiring diagram A08, page 46

6 7 8

HE3604 HE3801 HE8501

Heating coil, rear-view mirror, right upper Cigarette lighter, 28 VDC Heating coil, seat heating

Wiring diagram A08, page 46 Wiring diagram A12, page 54 Wiring diagram A22, page 74

Service socket 9 (b) IA

Service socket for service panel

Wiring diagram A06, page 42

Instruments 10 IM3801 11 IM3802 12 IM3803 13 IM3804 14 IM3805

Speedometer Tachometer, engine Fuel gauge, tank Feed pressure brakes, tractor unit Feed pressure brakes, load unit

Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58

15 16 17 18

IM3806 IM3807 IM3808 IM3809

Temperature gauge for transmission/retarder Information display unit Total distance travelled Tachograph

Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A11, page 52

Lights 19 (c)

LA3501

Interior lighting, left front

Wiring diagram A11, page 52

20 21 22 23

LA3502 LA3503 LA3504 LA3505

Low beam, left Low beam, right High beam, left High beam, right

Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44

24 25 26 27 28

LA3508 LA3509 LA3510 LA3511 LA3512

Running light, left front fender Running light, right front fender Running light, left rear Running light, right rear Work light, left front

Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A08, page 46

29 30 31 32 (c)

LA3513 LA3514 LA3515 LA3516

Work light, right front Work light, left rear Work light, right rear Interior lighting, left rear

Wiring diagram A08, page 46 Wiring diagram A08, page 46 Wiring diagram A08, page 46 Wiring diagram A11, page 52

33

LA3517

Interior lighting, right rear

Wiring diagram A11, page 52

34 35

LA3518 LA3601

Interior lighting, right front Rotating beacon

Wiring diagram A11, page 52 Wiring diagram A08, page 46

a. Position depending on engine type. D10B (A), D9A (B) b. Position dependent on serial number. c. Position dependent on version. Version 1,2 (A), version 3–6 (B). See Wiring diagram A11

7

Component position 3, LA3602–LC4202

Fig. 3 3, component position LA3602–LC4202

8

Table 3. Component list 3 Position, Designation, Description

Wiring diagram, page

Lights 1 2 3 4 5

LA3602 LA3603 LA3604 LA3605 LA3608

Direction indicator, front left Direction indicator, front right Direction indicator, front left fender Direction indicator, front right fender Direction indicator, load unit, left rear

Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A09, page 48

6 7 8 9 10

LA3609 LA3610 LA3801 LA3802 LA3803

Direction indicator, load unit, right rear Guide light, switches Lighting, gauge Lighting, gauge Lighting, gauge

Wiring diagram A09, page 48 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44

11 12 13 14 15

LA3804 LA3805 LA3806 LA3807 LA3808

Lighting, gauge Lighting, gauge Lighting, gauge Lighting, information display unit Lighting, information display unit

Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A14, page 58 Wiring diagram A14, page 58

16 17 18

LA4201 LA5201 LA5202

Back-up light Brake light, right Brake light, left

Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A09, page 48

Low oil pressure, engine oil Clogged air filter Preheating activated Not used High engine temperature

Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58

Control lights 20 LC2201 21 LC2501 22 LC2502 23 LC2503 24 LC2601 25 26 27 28 29

LC3201 LC3501 LC3605 LC3606 LC3801

Charging, battery High beams activated Direction indicators activated, load unit Direction indicator activated, tractor unit Activated orange central warning 1

Wiring diagram A14, page 58 Wiring diagram A07, page 44 Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A14, page 58

30 31 32 33 34

LC3802 LC3803 LC3804 LC4201 LC4202

Activated orange central warning 2 Activated red central warning 1 Activated red central warning 2 Malfunction, transmission High temperature, transmission oil

Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A13, page 56 Wiring diagram A14, page 58 Wiring diagram A14, page 58

9

Component position 4, LC4601–MA4207 6-8, 12, 13 26, 27 30 25 28 29 31-37

Fig. 4 4, component position LC4601–MA4207

10

19-24

1-5, 9-11, 14

Table 4. Component list 4 Position, Designation, Description

Wiring diagram

Control lights 1 LC4601 2 LC4602 3 LC4603 4 LC4604 5 LC4605

Activated transverse differential, front axle Activated longitudinal differential, dropbox 6×6–wheel drive, dog-clutch Activated transverse differential, front bogie axle Activated transverse differential, rear bogie axle

Wiring diagram A13, page 56 Wiring diagram A13, page 56 Wiring diagram A13, page 56 Wiring diagram A13, page 56 Wiring diagram A13, page 56

6 7 8 9 10

LC5201 LC5202 LC5501 LC5902 LC8301

Brake fault, charge pressure Activated wheel brake Activated parking brake Load and dump brake (panel) Open door

Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A13, page 56 Wiring diagram A13, page 56

11 12 13 14 15

LC8501 LC9101 LC9102 LC9501 LC9901

Seatbelt not buckled Low pressure, engine-dependent hydraulic system Low pressure, ground-dependent hydraulic system Raised body Not used

Wiring diagram A13, page 56 Wiring diagram A14, page 58 Wiring diagram A14, page 58 Wiring diagram A13, page 56 Wiring diagram A13, page 56

16 17 18

LC9902 LC9903 LC9904

Not used Not used Not used

Wiring diagram A13, page 56 Wiring diagram A13, page 56 Wiring diagram A13, page 56

Control, injector 1 Control, injector 2 Control, injector 3 Control, injector 4 Control, injector 5

Wiring diagram A26, page 86 Wiring diagram A26, page 86 Wiring diagram A26, page 86 Wiring diagram A26, page 86 Wiring diagram A26, page 86

Solenoid valves 19 MA2301 20 MA2302 21 MA2303 22 MA2304 23 MA2305 24 25 26 27 28

MA2306 MA2307 MA2308 MA2309 MA2501

Control, injector 6 Control, engine shut-off Drain pump, fuel Drain valve, water in fuel Control, pressure governor exhaust brake

Wiring diagram A26, page 86 Wiring diagram A25, page 80 Wiring diagram A27, page 90 Wiring diagram A25, page 80 Wiring diagram A25, page 80

29 30 31 32 33

MA2504 MA2505 MA4201 MA4202 MA4203

Control, exhaust circulation (EGR) Exhaust brake (EPG)/wastegate (OFF/ON) Control, gearshifting, brake 1 (S1) Control, gearshifting, brake 2 (S2) Control, gearshifting, brake 3 (S3)

Wiring diagram A25, page 80 Wiring diagram A25, page 80 Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A15, page 60

34 35 36 37

MA4204 MA4205 MA4206 MA4207

Control, gearshifting, brake 4 (S4) Control, gearshifting, brake 5 (S5) Control, gearshifting, clutch 1 (S7) Control, gearshifting, clutch 2 (S8)

Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A15, page 60

11

Component position 5, MA4601–R3502

Fig. 5 5, component position MA4601–R3502

12

Table 5. Component list 5 Position, Designation, Description

Wiring diagram

Solenoid valves 1 MA4601 2 MA4602 3 MA4603 4 MA4604 5 MA5501

Engagement, transverse differential locks, bogie axles Engagement dog-clutch, 6–wheel drive Engagement transverse differential lock, front axle Engagement longitudinal differential lock, dropbox Disengagement parking brake 1

Wiring diagram A18, page 66 Wiring diagram A18, page 66 Wiring diagram A18, page 66 Wiring diagram A18, page 66 Wiring diagram A21, page 72

MA5502 MA5901 MA8701

Disengagement parking brake 2 (doubled function) Engagement, load and dump brake Control compressor, air conditioning

Wiring diagram A21, page 72 Wiring diagram A21, page 72 Wiring diagram A23, page 76

9 10

MA9101 MA9102

Hold solenoid, float position dump lever Shut-off, hydraulic pump

Wiring diagram A24, page 78 Wiring diagram A24, page 78

Motors 11 12 13 14 15

MO3301 MO3601 MO3602 MO3702 MO8701

Starter motor Windscreen washer Windscreen wipers Hood pump Ventilation fan

Wiring diagram A04, page 38 Wiring diagram A10, page 50 Wiring diagram A10, page 50 Wiring diagram A08, page 46 Wiring diagram A23, page 76

Service socket 16 PC

Service socket for VCADS Pro and Matris

Wiring diagram A14, page 58

Power outlet 17 PO3901 18 PO3902

Power outlet 28 VDC Power outlet 14 VDC

Wiring diagram A12, page 54 Wiring diagram A11, page 52

PWM valves 19 PWM2301 20 PWM2302 21 PWM2501 22 PWM2601 23 PWM2602

Control, control rod injection pump Control, injection angle injection pump Control exhaust brake (EPG)/wastegate Control fan motor, intercooler Control fan motor, radiator

Wiring diagram A26, page 86 Wiring diagram A26, page 86 Wiring diagram A25, page 80 Wiring diagram A02, page 34 Wiring diagram A02, page 34

Control main pressure, transmission (S11) Control, brake pressure (S13) Control, lockup (S14) Control, retarder

Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A15, page 60

Dimmer, guide light switches Dimmer, instrument lighting

Wiring diagram A07, page 44 Wiring diagram A07, page 44

6 7 8 (a)

24 25 26 27

PWM4201 PWM4202 PWM4203 PWM4204

Rheostats 28 R3501 29 R3502

a. Position depending on engine type. D10B (A), D9A (B)

13

Component position 6, RC8401–SA4201 9

2B 8

3,4,7

10 Fig. 6 6, component position RC8401–SA4201

14

2A 1

5,6

V1001108

Table 6. Component list 6 Position, Designation, Description

Wiring diagram, page

Back-up monitor 1 RC8401

Wiring diagram A22, page 74

Back-up monitor

Relays (see also Other fuses and relays, description, page 106) 2 (a) RE2501 Preheating, induction air 3 4 5 6

RE3504 RE3704 RE8702 RE8703

Interior lighting Delayed stop Air conditioning Air conditioning

Wiring diagram A25, page 80 Wiring diagram A11, page 52 Wiring diagram A05, page 40 Wiring diagram A23, page 76 Wiring diagram A23, page 76

Relays on circuit board 7 See Electrical distribution box, description, page 102 – Relays Audible signals 8 SA3601 9 SA3602 10 SA4201

Buzzer, central warning Horn Back-up alarm unit

Wiring diagram A12, page 54 Wiring diagram A10, page 50 Wiring diagram A09, page 48

a. Position depending on engine type. D10B (A), D9A (B)

15

Component position 7, SE2202–SE5202 9

1B, 2B, 3B 18A

16B

15, 16A 3A

35

4B, 5 12A, 13A

4A, 7, 8 12B, 13B 14, 21A

1A, 2A 17

18B

29, 30

25, 26, 31

27

10, 11 6

19, 21B 23 20

28

24

22 32 33 34B

34A

V1001109

Fig. 7 7, component position SE2202–SE5202

16

Table 7. Component list 7 Position, Designation, Description

Wiring diagram

Sensors and monitors 1 (a) SE2202 Sensor, engine oil temperature

Wiring diagram A27, page 90

2 (a)

SE2203

Sensor, engine oil pressure

Wiring diagram A27, page 90

3

(a)

SE2205

Monitor engine oil level

Wiring diagram A01, page 32

4 (a)

SE2301

Sensor, fuel pressure

Wiring diagram A27, page 90

5

SE2302

Monitor water in fuel

Wiring diagram A01, page 32

6 7 8 9 10

SE2303 SE2306 SE2307 SE2308 SE2501

Sensor, fuel level Sensor fuel temperature Sensor control rod position Sensor needle lift injector 1 (engine position) Sensor, ambient air temperature

Wiring diagram A01, page 32 Wiring diagram A27, page 90 Wiring diagram A26, page 86 Wiring diagram A26, page 86 Wiring diagram A28, page 96

11 12 (a)

SE2502 SE2507

Monitor, air filter pressure Sensor, charge-air temperature

Wiring diagram A28, page 96 Wiring diagram A27, page 90

13 (a)

SE2508

Sensor, boost pressure

Wiring diagram A27, page 90

14 15

SE2509 SE2601

Sensor, crankcase pressure Sensor coolant temperature, cooling circuit converter

Wiring diagram A27, page 90 Wiring diagram A02, page 34

16 (a)

SE2602

Wiring diagram A02, page 34

17 18 (a)

SE2603 SE2606

Sensor, coolant temperature, cooling circuit engine/ retarder Monitor, coolant level Sensor, coolant temperature, engine

19 20

SE2701 SE2702

Sensor, engine speed Sensor, throttle pedal position

Wiring diagram A28, page 96 Wiring diagram A03, page 36

21 (a)

SE2703

Wiring diagram A28, page 96

22 23 24 25

SE3801 SE3802 SE4201 SE4202

Sensor pump rpm injection pump/ Sensor, camshaft speed Sensor, longitudinal inclination Sensor, ambient air temperature Sensor, gear selector position Sensor, transmission oil temperature

26 27 28 29 30

SE4203 SE4204 SE4208 SE4212 SE4213

Sensor, transmission oil level Sensor, retarder oil temperature Sensor, position retarder pedal Sensor, input speed, transmission Sensor, turbine speed

Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A16, page 62 Wiring diagram A15, page 60 Wiring diagram A15, page 60

31 32 33 34 (a)

SE4214 SE4307 SE4607 SE5201

Sensor/Monitor oil pressure, transmission Sensor, output speed, transmission Monitor, position longitudinal differential lock Sensor, charge pressure brakes, tractor unit

Wiring diagram A15, page 60 Wiring diagram A15, page 60 Wiring diagram A17, page 64 Wiring diagram A19, page 68

35

SE5202

Sensor, charge pressure brakes, trailer unit

Wiring diagram A19, page 68

Wiring diagram A28, page 96 Wiring diagram A27, page 90

Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A16, page 62 Wiring diagram A15, page 60

a. Position depending on engine type. D10B (a), D9A/D9B (B)

17

Component position 8, SE5203–SO3901

Fig. 8 8, component position SE5203–SO3901

18

Table 8. Component list 8 Position, Designation, Description

Wiring diagram

Sensors and monitors (digits within brackets indicate previous number) 1 SE5203 Sensor, brake pressure, tractor unit 2 SE5204 Sensor, brake pressure, load unit 3 SE5501 Sensor, parking brake pressure 4 SE5502 Monitor, lever position, parking brake 5 SE5601 Monitor, stroke, main brake cylinder, front axle

Wiring diagram A19, page 68 Wiring diagram A19, page 68 Wiring diagram A21, page 72 Wiring diagram A21, page 72 Wiring diagram A12, page 54

6 7 8 9 10

SE5602 SE5603 SE5604 SE5605 SE8301

Monitor, stroke, main brake cylinder, front axle Monitor, stroke, main brake cylinder, front bogie axle Monitor, stroke, main brake cylinder, front bogie axle Monitor, stroke, main brake cylinder, rear bogie axle Monitor, door position (open/closed)

Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A11, page 52

11 12 13 14 15

SE8501 SE8502 SE8701 (SE22) SE8702 (SE21) SE9101

Monitor, seatbelt buckle (buckled/unbuckled) Monitor, seat (loaded/unloaded) Monitor, refrigerant pressure Monitor, refrigerant temperature Monitor, position, shut-off valve, hydraulic oil tank

Wiring diagram A22, page 74 Wiring diagram A22, page 74 Wiring diagram A23, page 76 Wiring diagram A23, page 76 Wiring diagram A24, page 78

16 17 18 19 20

SE9102 SE9103 SE9104 SE9105 SE9106

Sensor, steering pressure, engine-dependent pump Sensor, steering pressure, ground-dependent pump Sensor/Monitor, hydraulic oil level, tank Sensor, hydraulic oil temperature, tank Monitor, pressure, return oil filter, hydraulic oil

Wiring diagram A24, page 78 Wiring diagram A24, page 78 Wiring diagram A24, page 78 Wiring diagram A24, page 78 Wiring diagram A24, page 78

21 22

SE9107 SE9501

Monitor, pressure, return oil filter, cooling fan oil Monitor, load body position

Wiring diagram A24, page 78 Wiring diagram A24, page 78

24/12 VDC for radio, etc.

Wiring diagram A11, page 52

Voltage converter 23 SO3901

19

Component position 9, SW2301–SW3801

Fig. 9 9, component position SW2301–SW3801

20

Table 9. Component list 9 Position, Designation, Description

Wiring diagram, page

Switches 1 SW2301 2 SW2502 3 SW2503 4 SW2505 5 SW2701

Drain pump, fuel ON/OFF, Automatic exhaust brake (EPG) for throttle pedal.

ON/OFF, Automatic retarder for brake pedal.

Activation of retarder (located in brake pedal) ON/OFF, Increased rpm

Wiring diagram A01, page 32 Wiring diagram A01, page 32 Wiring diagram A01, page 32 Wiring diagram A01, page 32 Wiring diagram A03, page 36

6 7 8 9 10

SW2702 SW2705 SW3301 SW3305 SW3306

ON/OFF, Delayed stop Monitor, throttle pedal position Ignition Engine stop, internal Engine stop, external

Wiring diagram A03, page 36 Wiring diagram A03, page 36 Wiring diagram A04, page 38 Wiring diagram A05, page 40 Wiring diagram A05, page 40

11 12 13 (a)

SW3501 SW3502 SW3503

Headlights High beams/Low beams Interior lighting, front left

Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A11, page 52

14 15

SW3504 SW3505

Work lights, front Work lights, rear

Wiring diagram A08, page 46 Wiring diagram A08, page 46

16 17 (a)

SW3506 SW3507

Headlight flasher Interior lighting, rear left

Wiring diagram A07, page 44 Wiring diagram A11, page 52

18 19 20

SW3508 SW3509 SW3601

Interior lighting, rear right Interior lighting, front right Electrically heated rear–view mirrors

Wiring diagram A11, page 52 Wiring diagram A11, page 52 Wiring diagram A08, page 46

21 22 23 24 25

SW3602 SW3604 SW3605 SW3606 SW3607

Windshield wiper Horn Direction indicators Hazard flashers Rotating beacon

Wiring diagram A10, page 50 Wiring diagram A10, page 50 Wiring diagram A09, page 48 Wiring diagram A09, page 48 Wiring diagram A08, page 46

26 27 28 29

SW3608 SW3701 SW3702 SW3801

Windshield washer Battery disconnect switch, battery ground Hood pump Keypad for information display unit

Wiring diagram A10, page 50 Wiring diagram A04, page 38 Wiring diagram A08, page 46 Wiring diagram A06, page 42

a. Position dependent on version. Version 1,2 (A), version 3–6 (B). See Wiring diagram A11, page 52

21

Component position 10, SW4201–SW9102

Fig. 10 10, component position SW4201–SW9102

22

Table 10. Component list 10 Position, Designation, Description

Wiring diagram

Switches 1 SW4201 2 SW4215 3 SW4602 4 SW4603

Gearshift lock-out (inhibitor) Monitor, retarder pedal position Transverse differential lock, front axle Longitudinal differential lock (dropbox) and 6–wheel drive (dog-clutch prop shaft, rear bogie axle) All differential locks (3 transverse, 1 longitudinal) and 6–wheel drive.

Wiring diagram A16, page 62 Wiring diagram A16, page 62 Wiring diagram A18, page 66 Wiring diagram A18, page 66

5

SW4604

Wiring diagram A18, page 66

6 7 8 9 10

SW5501 SW5901 SW8501 SW8701 SW8702

Parking brake Load and dump brake Seat heating Air conditioning Cab fan

Wiring diagram A21, page 72 Wiring diagram A21, page 72 Wiring diagram A22, page 74 Wiring diagram A23, page 76 Wiring diagram A23, page 76

11

SW9102

Monitor, hold position, dump lever

Wiring diagram A24, page 78

23

Explanation of wiring diagrams

Fig. 11 Example of cable and component marking Pos. A

B C D E F

Explanation Reference: the cable has a fixed connection with diagram A11. Each reference has a unique serial number. The point of the flag indicates direction of current.

Connector with pin marking Component marking Fixed connection (point) Cable colour, see table below Cable marking

Pos. Explanation G Marking 30 refers to voltage feed that isn't dependent on ignition.

H J K L

Connection marking Frame ground connection (frame connection) Connector with pin numbers Removable connection (circle)

The cable colours used in wiring diagrams are indicated in the table below.

Code BL BN GN GR OR P

24

Colour Blue Brown Green Grey Orange Pink

Code R SB VO W Y

Colour Red Black Violet White Yellow

Electrical symbols and designations Table 11. Symbols in wiring diagrams Designation

Symbol

Explanation, designation

AL

Alternator with charging regulator

BA

Battery

C–ECU

Cab control unit

DI

Diode

E–ECU

Engine control unit

FC, FH, FU

Fuse

GC, GE, GF, GFSM, GR

Grounding point

Heating element, e.g. heated seat cushion HE Cigarette lighter socket

I–ECU

Instrument control unit

Instruments (I–ECU) IM Display unit (I–ECU) Light, continuous light e.g. low beam lamp LA Light, flashing light, e.g. direction indicators Control lamp, continuous light e.g. engine oil pressure, high beam indication LC Control lamp, flashing light, e.g. central warning lamp, direction indicators 25

Table 11. Symbols in wiring diagrams Designation

Symbol

Explanation, designation Light-emitting diode

Solenoid valve for control of air

MA

Solenoid valve for control of oil

Solenoid, e.g. holding solenoid for float position, dump lever

Electric motor, e.g. fan motor MO Starter motor

PO

Voltage outlet (socket)

PWM valve for control of air PWM PWM valve for control of oil

Resistor, for example, terminating resistor, CAN bus

R

Rheostat

Rheostat with zero position, e.g. instrument lighting

RE

Relay: No control current on 86–85, contact position 30–87A Control current on 86–85, contact position 30– 87, RE

S

Solenoid valve for control of oil. Designation S appears only for solenoid valves in transmission

26

Table 11. Symbols in wiring diagrams Designation

Symbol

Explanation, designation Audible signal, i.e., buzzer

SA Audible signal, i.e., horn

Sensor, pedal position, e.g. throttle pedal

Temperature sensor, e.g. charge air temperature

Level sensor, e.g. fuel level

Pressure sensor, i.e., control pressure, hydraulics

Frequency sensor, i.e. rpm transmission

SE

Angle sensor, e.g. machine's longitudinal angle

Monitor, inductive, e.g. door open/closed

Position monitor, closing, e.g. parking brake lever position Position monitor, opening, e.g. return filter monitor

Level monitor, e.g. coolant level

Pressure monitor, i.e. air filter

27

Table 11. Symbols in wiring diagrams Designation

Symbol

Explanation, designation Single terminal switch with manual on and off, i.e. activation of air conditioning

SW

Single pole switch with manual on and automatic off, e.g. horn Single pole thermal switch with automatic on and automatic off, e.g. thermostat in seat heating

T–ECU

Control unit, transmission

V–ECU

Vehicle control unit

Twisted-pair cabling

Summary of codes in wiring diagrams AL BA C–ECU DI E–ECU EA/EB/EC FC FH FU GC GE GF GFSM GR HE I–ECU IA IM

28

Alternators Batteries Cab control unit Diodes Engine control unit Connectors ECU Fuses Fuses Fuses on circuit board Grounding point cab Grounding point engine Grounding point front Grounding point starter motor Grounding point rear Heating, heating coil Instrument control unit Service socket for service display unit Instrument panel and information display

LA LC MA MO PC PO PWM R RC RE RF S SA SE SO SW T–ECU V–ECU

Lamps Control lamps Solenoid valves Motors Service socket for VCADS Pro and Matris Power outlet PWM valves Resistors and rheostats Back-up cameras Relays Flasher relays PWM valves and solenoids (transmission) Audible signals Sensors and monitors Voltage converter Switches Control unit, transmission Vehicle control unit

Grounding points (chassis connections)

Fig. 12 Grounding points

Table 12. Grounding points Designation

Designation

31GC1 31GE1 31GF1 31GF2 31GF3

Cab Engine, right rear Frame, tractor unit, by upper mount dropbox Frame, tractor unit, by left brake booster Frame, tractor unit, by right engine mount rear

31GF4 31GF5 31GF6 31GFSM 31GR1

Frame, tractor unit, under cab steps Frame, tractor unit, by engine hood pump Frame, tractor unit, by alternator Starter motor, connection 31 Frame, load unit

Also refer to Wiring diagram A04, page 38.

29

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Wiring diagrams A01

Engine oil level, fuel level, water in fuel

Wiring diagram A01, page 32

A02

Cooling system

Wiring diagram A02, page 34

A03

Engine controls

Wiring diagram A03, page 36

A04

Power supply, grounding points, starter motor

Wiring diagram A04, page 38

A05

Voltage feed ECUs, engine stop

Wiring diagram A05, page 40

A06

Service socket service panel, keypad information display panel

Wiring diagram A06, page 42

A07

Headlights and running lights

Wiring diagram A07, page 44

A08

Work lights and hazard flashers, main pump, electrically heated rearview mirrors

Wiring diagram A08, page 46

A09

Direction indicators, brake lights and back-up lights

Wiring diagram A09, page 48

A10

Windshield washer, windshield wiper, horn

Wiring diagram A10, page 50

A11

Voltage converter, interior lighting, radio, electric power socket 12 VDC, Wiring diagram A11, page 52 tachograph

A12

Central warning, electric power outlet 24 VDC, angle sensor, ambient temperature sensor, stroke warning brake cylinders

Wiring diagram A12, page 54

A13

Control lights

Wiring diagram A13, page 56

A14

Instruments, service socket VCADS Pro / MATRIS, control lights

Wiring diagram A14, page 58

A15

Transmission

Wiring diagram A15, page 60

A16

Gear selector, retarder pedal

Wiring diagram A16, page 62

A17

Dropbox

Wiring diagram A17, page 64

A18

Differential locks

Wiring diagram A18, page 66

A19

Brake pressure

Wiring diagram A19, page 68

A20

Cables

Wiring diagram A20, page 70

A21

Parking brake, load and dump brake

Wiring diagram A21, page 72

A22

Back-up monitor, seat heating, seatbelt

Wiring diagram A22, page 74

A23

Air conditioning, cab fan

Wiring diagram A23, page 76

A24

Hydraulic system

Wiring diagram A24, page 78

A25

Air preheating, exhaust brake, water in fuel

Wiring diagram A25, page 80

A26

Injector, injection pump, needle lift sensor

Wiring diagram A26, page 86

A27

Fuel pump, temperature and pressure sensor engine

Wiring diagram A27, page 90

A28

Speed (rpm) sensor, air filter monitor, coolant level, engine oil level

Wiring diagram A28, page 96

31

Wiring diagram A01 A01, version 4 Machine Place of manufacture, serial number EU Brazil A25D 13575–14999 72001–72099 A30D 12474–13999 73153–73999

Change:

A01, version 5

Change:

A25D A30D

15001– 14001–

Fig. 13 NOTE! A01, version 4

32

72101– 74001–

C–ECU is discontinued, causes changes in the cable harnesses.

FU22 moved to diagram A05.

Flag 2 from diagram A21 discontinued.

SW2301 incl. cable harness discontinued.

FU – Fuses on circuit board (position, see Electrical distribution box, description, page 102) FU1 Fuse 1 SE – Sensors and monitors SE2303 Sensor, fuel level SW – Switches SW2301 Drain pump, fuel SW2502 ON/OFF, Automatic exhaust brake (EPG) for throttle pedal SW2503 ON/OFF, Automatic retarder for brake pedal SW2505 Activation of retarder. Located in brake pedal.

Fig. 14 Component position

33

Wiring diagram A02 A02, version 1 Machine Place of manufacture, serial number EU US Brazil A35D 11001–11244 61001–61104 71001–71004 A40D 10001–10223 60001–60075 – A02, version 2 A25D A30D A35D A40D

11001– 10001– 11245– 10224–

Change: 61001–61118 60001–60093 61105–61303 60076–60286

– 70001– 71005– 70001–

Cables to SE2601 and SE2602 changed from non twisted-pair to twisted-pair.

A0819600

Fig. 15 NOTE! A02, version 2

34

PWM – PWM valves(a) PWM2601 Control fan motor, intercooler PWM2602 Control fan motor, radiator SE – Sensor SE2601 Coolant temperature, cooling circuit converter/brakes SE2602 Coolant temperature, cooling circuit engine/retarder a. For A35D/A40D the position is dependent on whether the machine is equipped with 3 or 4 pumps.

Fig. 16 Component position

35

Wiring diagram A03 A03, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 17 A03, version 3

36

Change: C–ECU is discontinued, causes changes in the cable harnesses.

SE – Sensor SE2702 Throttle pedal position SW – Switches SE2701 ON/OFF, Raised engine speed (optional equipment) SE2702 ON/OFF, Delayed stop (optional equipment) SE2705 Monitor, throttle pedal position

V1000536

Fig. 18 Component position

37

Wiring diagram A04 A04, version 7 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Changes: C–ECU discontinued, means changes in cables harnesses.

Connector C55 and C56 incl. cable harness discontinued.

Fig. 19 A04, version 7 SW3301, Ignition, connection in respective position, see A25D/A30D, 302, SW3301

38

AL – Alternator AL3201 Alternator

BA – Batteries BA3201 Battery 1 BA3202 Battery 2

FC/FU – Fuses (positions, see Other fuses and relays, description, page 106) FC1 Main fuse (for ignition) FC2 HE2501 Preheating FC3 Fuse, electric hood pump FU18 Fuse 18 GC, GE, GF, GR – Grounding points (positions, see Grounding points (chassis connections), page 29) 31GC1 Cab 31GE1 Engine, right rear 31GF1 Front frame, upper mount dropbox 31GF2 Front frame, left brake booster 31GF3 Front frame, bow right front 31GF4 Front frame, under cab steps 31GF5 Front frame, engine hood pump 31GF6 Front frame, alternator 31GFSM Front frame, right engine mount rear 31GR1 Rear frame MO – Motor MO3301 Starter motor

RE – Relay (Electrical distribution box, description, page 102) RE3301 (8) Start relay

SE – Sensors SE3201 Charge regulator

SW – Switches SW3301 Ignition SW3701 Battery disconnect switch, battery ground

Fig. 20 Component position

39

Wiring diagram A05 A05, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575–14999 72001–72099 A30D 12474–13999 73153–73999

Change:

A05, version 4

Change:

A25D A30D

15001– 14001–

C–ECU is discontinued, causes changes in the cable harnesses.

Flag 3 to diagram A01 is discontinued.

FU12 and FU25 changed to 15A. Cable harness for SW3305 and SW3306 changed.

Flag 23 from diagram A25 changed to flag 31.

FH3, FH4 and FU22 are added.

72101– 74001–

FU22

Flag 40 to diagram A25 is added.

P1.11

28VDC_V BAT_V KEY_V

KEY_T BAT_T

I-ECU

37104

C04.3

31 EA17

C06.5 15A C04.9 F11.2

C06.34

C04.10

FU11

BN

FH3

BL C04.28 BL

FU10

BN

FH4

Y C04.18

40

Y V1028377

Fig. 21 A05, version 3

40

FH, FU – Fuses FH2 RE3704 Delayed stop FH4 Exhaust brake pressure FU4 Fuse 4 FU11 Fuse 11 FU22 Fuse 22 FU24 Fuse 24 FU26 Fuse 26

FH3 FU2 FU10 FU12 FU23 FU25

Preheating Fuse 2 Fuse 10 Fuse 12 Fuse 23 Fuse 25

RE – Relays (a) (position, see Electrical distribution box, description, page 102) RE3701 (1) Feed 28VDC V–/T–/C– and D–ECU. Fuses FU1, FU2, FU3, FU22 and FU23.

RE3702 (2) Supply 28 VDC V–ECU (via FU25) and C–ECU via (FU4). Control RE3703, RE3705 RE3703 (10) Supply 28 VDC T–ECU (via FU24) RE3704 Delayed stop RE3705 (11) Exhaust brake, preheating induction air, feed 28VDC E–ECU, SW3305–3306 engine stop, drain fuel a. numbers in brackets indicate number for relay socket SW – Switches SW3305 Engine stop

SW3306

External engine stop (optional equipment)

Fig. 22 Component position

41

Wiring diagram A06 A06, version 1 Machine Place of manufacture, serial number EU US Brazil A25D 11001–11136 61001–61011 – A30D 10001–10058 60001–60009 – A35D 11001–11476 61001–61183 71001–71011 A40D 10001–10406 60001–60147 – A06, version 2 A25D A30D A35D A40D

11137– 10059– 11477– 10407–

Fig. 23 NOTE! A06, version 2

42

Changes: 61012–61118 60010–60093 61184–61303 60148–60286

– 70001– 71012– 70001–

Cable no. 1037, colour-marking changed from BN to P Cable no. 1039, colour-marking changed from Y/R to R Cable no. 1040, colour-marking changed from GN/BN to BN Cable no. 1041, colour-marking changed from GN/GR to GN

IA – Service socket IA Service socket for service display unit SW – Switches SE3801 Keypad for information display unit

V1000539

Fig. 24 Component position

43

Wiring diagram A07 A07, version 4 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 25 A07, version 4

44

Changes: Flag 31 for diagram A21 discontinued.

V–ECU EA16 changed to V–ECU EA19.

FU – Fuses (positions, see Electrical distribution box, description, page 102) FU13 Fuse 13 FU14 Fuse 14 FU15 Fuse 15 FU27 Fuse 27 FU28 Fuse 28 FU35 Fuse 35 FU36 Fuse 36 FU38 Fuse 38 LA – Lights LA3502 Low beam, left LA3504 High beam, left LA3508 Running light, left front fender LA3510 Running light, left rear LA3610 Guide light, switches LC – Control lights LC3501 High beams on SW – Switches SW3501 Headlights SW3506 Headlight flasher

LA3503 Low beam, right LA3505 High beam, right LA3509 Running light, right front fender LA3511 Running light, right rear LA3801–06 Instrument lighting R – Rheostats R3501 Dimmer, guide light switches R3502 Dimmer, instrument lighting SW3502

High beams / Low beams

V1000540

Fig. 26 Component position

45

Wiring diagram A08 A08, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 27 A08, version 2

46

Connection point C04.13 as well as flag 2 for diagram A25 added.

FU – Fuses (positions, see Electrical distribution box, description, page 102) FU6 Fuse 6 FU29 Fuse 29 FU30 Fuse 30 FU37 Fuse 37 FU39 Fuse 39 HE – Heating coils HE3601 Heating coil, rear-view mirror, lower left(a) HE3603 Heating coil, rear-view mirror, lower right(a)

HE3602 HE3604

Heating coil, rear-view mirror, upper left(a) Heating coil, rear-view mirror, upper right(a)

LA – Lights LA3512 Work light, front left(a) LA3514 Work light, rear left(a) LA3601 Rotating beacon(a)

LA3513 LA3515

Work light, front right(a) Work light, rear right(a)

MO – Motor MO3702

Hood pump(a) (illustration from underside of machine)

RE – Relays (positions, see Electrical distribution box, description, page 102) RE3501(16) Work lights front RE3502(17) Work lights rear RE3503(4) Electrically–heated rear-view mirrors, work lights and seat cushion

SW – Switches SW3504 Work lights front(a) SW3601 Electrically heated rear–view mirrors(a) SW3702 Hood pump(a)

SW3505 SW3607

Work lights rear(a) Rotating beacon(a)

a. Equipment

Fig. 28 Component position

47

Wiring diagram A09 A09, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13001– – A30D 12001– 73000–

Fig. 29 A09, version 2

48

Changes: Connector TAILL, TAILR and F05 discontinued.

Connection point F50.1, F50.2 and F50.3 added.

Changed colour-marking on cable between LA5202 and C12.27 as well as between LA5201 and C12.28 Changed colour-marking on cable between LA3605 and C04.11

FU – Fuses on circuit board (position, see Electrical distribution box, description, page 102) FU7 Fuse 7 FU19 Fuse 19 FU40 Fuse 40 LA – Lights LA3602 LA3604 LA3608 LA4201 LA5202

Direction indicator, front left Direction indicator, front left fender Direction indicator, load unit, left rear Back-up light Brake light, left

LC – Control lights LC3605 Direction indicators activated, load unit

LA3603 LA3605 LA3609 LA5201

Direction indicator, front right Direction indicator, front right fender Direction indicator, load unit, right rear Brake light, right

LC3606

Direction indicator activated, tractor unit

RE, RF – Relays (a) (position, see Electrical distribution box, description, page 102) RE3604(12) Direction indicators, hazard flashers and head- RE4201(9) Back-up light, back-up alarm, back-up monitor light flasher RE5201(18) Brake lights RF3601 (RFX) Direction indicators a. numbers in brackets indicate number for relay socket SA – Audible signal SA4201 Back-up alarm unit

SW – Switches SW3605 Direction indicators SW3606 Hazard flashers

V1000542

Fig. 30 Component position

49

Wiring diagram A10 A10, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 31 A10, version 3

50

Change: C–ECU is discontinued, causes changes in the cable harnesses.

FU – Fuse (for position, see Electrical distribution box, description, page 102) FU34 Fuse 34 MO – Motors MO3601 Windscreen washer MO3602 Windscreen wipers RE – Relays (for position, see Electrical distribution box, description, page 102) RE3601(13) Windscreen wipers RE3602(14) Windscreen washer RE3605(5) Windscreen wipers, windscreen washer and horn SA – Audible signal SA3602 Horn

SW – Switches SE3602 Windscreen wipers SE3604 Horn SE3608 Windscreen washer

Fig. 32 Component position

51

Wiring diagram A11 A11, version 6 Machine Place of manufacture, serial number EU Brazil A25D 13575– A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 33 A11, version 6

52

Change: C–ECU EA26 changed to V–ECU EA26.

FU – Fuses (for position, see Electrical distribution box, description, page 102) FU5 Fuse 5 FU20 Fuse 20 FU32 Fuse 32 FU41 Fuse 41 IM – Instrument IM3809 Tachograph (optional equipment) LA – Lamps LA3501 Interior lighting front

LA3516

PO – Power outlet PO3902 Power outlet 14 VDC

RE – Relay (Other fuses and relays, description, page 106) RE3504 Interior lighting

SE – Sensor SE8301 Monitor, door position (open/closed)

SO – Voltage converter SO3901 Voltage converter 24/12 VDC for radio, etc.

SW – Switches SE3503 Interior lighting front

SE3507

Interior lighting rear

Interior lighting rear

Fig. 34 Component position

53

Wiring diagram A12 A12, version 4 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 35 A12, version 4

54

Changes: C–ECU discontinued, means changes in cables harnesses.

Flag 40 from diagram A16 discontinued.

FU – Fuses (positions, see Electrical distribution box, description, page 102) FU16 Fuse 16 FU17 Fuse 17 FU31 Fuse 31 FU33 Fuse 33 FU42 Fuse 42 HE – Heating coils HE3801 Cigarette lighter, 28 VDC

PO – Power outlets (sockets) PO3901 Power outlet 28 VDC

RE – Relays (a) (position, see Electrical distribution box, description, page 102) RE (7) Not used RE3603 (6) Relay, central warning buzzer a. numbers in brackets indicate number for relay socket SA – Audible signal SA3601 Buzzer, central warning SE – Sensors SE3801 Sensor, longitudinal inclination SE5601 Monitor, stroke warning, front axle SE5603 Monitor, stroke warning, front bogie axle SE5605 Monitor, stroke warning, rear bogie axle

SE3802 SE5602 SE5604

Sensor, ambient air temperature Monitor, stroke warning, front axle Monitor, stroke warning, front bogie axle

V1000545

Fig. 36 Component position

55

Wiring diagram A13 Machine A25D/A30D/A35D/A40D

Fig. 37 A13

56

Place of manufacture, serial number All

LC – Control lights LC3804 Activated red central warning 2 LC4602 Activated longitudinal differential, dropbox LC4604 6x6–drive, dog-clutch engaged LC5902 Load and dump brake LC8501 Seatbelt not buckled LC9901 Not used LC9903 Not used

LC4601 LC4603 LC4605 LC8301 LC9501 LC9902 LC9904

Activated transverse differential, front axle Activated transverse differential, front bogie axle Activated transverse differential, rear bogie axle Open door Body up Not used Not used

Fig. 38 Component position

57

Wiring diagram A14 A14, version 4 Machine Place of manufacture, serial number EU Brazil A25D 13575– A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 39 A14, version 4

58

Change: C–ECU is discontinued.

IM – Instruments and display unit IM3801 Speedometer and odometer, machine IM3803 Fuel level gauge, tank IM3805 Charge pressure brakes, trailer unit IM3807 Display unit LA – Lamps LA3807 Lighting, display unit LC – Control lamps LC2201 Low oil pressure, engine oil LC2502 Preheating on LC2601 High engine temperature LC3801 Activated amber central warning 1 LC3803 Activated red central warning 1 LC4202 High temperature, transmission oil LC5202 Activated wheel brake LC9101 Low pressure, engine-dependent hydraulic system PC – Service socket PC Service socket for VCADS Pro

IM3802 IM3804 IM3806 IM3808

Tachometer, engine Charge pressure brakes, tractor unit Temperature gauge for transmission/retarder Total distance travelled

LA3808

Lighting, display unit

LC2501 LC2503 LC3201 LC3802 LC4201 LC5201 LC5501 LC9102

Clogged air filter Not used Charging, battery Activated amber central warning 2 Malfunction, transmission Brake fault, charge pressure Activated parking brake Low pressure, ground-dependent hydraulic system

Fig. 40 Component position

59

Wiring diagram A15 A15, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 41 A15, version 3

60

Change: Marking of cable between EB13 and connector EH from 5VT13 to 5VAUX3_T.

MA – Solenoid valves MA4201 Control, gearshifting, brake 1 (S1) MA4202 Control, gearshifting, brake 2 (S2) MA4203 Control, gearshifting, brake 3 (S3) MA4204 Control, gearshifting, brake 4 (S4) MA4205 Control, gearshifting, brake 5 (S5) MA4206 Control, gearshifting, clutch 1 (S7) MA4207 Control, gearshifting, clutch 2 (S8) SE – Sensor SE4202 Sensor, transmission oil temperature SE4204 Sensor, retarder oil temperature SE4213 Sensor, turbine speed SE4307 Sensor, output speed, transmission

PWM – Pulse width modulated valves PWM4201 Control, main pressure, transmission (S11) PWM4202 Control, brake pressure (S13) PWM4203 Control, lockup (S14) PWM4204 Control, retarder

SE4203 SE4212 SE4214

Sensor, transmission oil level Sensor, input speed, transmission Monitor, transmission oil pressure

SE4204 V1000548

Fig. 42 Component position

61

Wiring diagram A16 A16, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Changes: C–ECU discontinued, means changes in cables harnesses.

Flag 40 for diagram A12 discontinued.

Fig. 43 A16, version 2 Gear selector position, connection for each position, see A25D/A30D, 302, SE4201

62

SE – Sensors SE4201 Sensor, gear selector position SE4208 Sensor, position retarder pedal SW – Switches SW4201 Gearshift inhibitor SW4215 Monitor, position retarder pedal

Fig. 44 Component position

63

Wiring diagram A17 A17, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 45 A17, version 2

64

Changes: C–ECU discontinued, means changes in cables harnesses.

Cable between EB31 and C01.33 discontinued.

SE – Sensors SE4607 Monitor, position longitudinal differential lock

Fig. 46 Component position

65

Wiring diagram A18 A18, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 47 A18, version 3

66

Changes: C–ECU discontinued, means changes in cables harnesses.

Cable harness added.

FU – Fuse (position, see Electrical distribution box, description, page 102) FU9 Fuse 9 MA – Solenoid valves MA4601 Engagement, transverse differential locks, bogie axles MA4602 Engagement dog-clutch, 6–wheel drive MA4603 Engagement transverse differential lock, front axle MA4604 Engagement longitudinal differential lock, dropbox SW – Switches SW4602 Transverse differential lock, front axle SW4603 Longitudinal differential lock (dropbox) and 6–wheel drive (dog-clutch prop shaft, rear bogie axle) SW4604 All differential locks (3 transverse, 1 longitudinal) and 6–wheel drive.

V1000551

Fig. 48 Component position

67

Wiring diagram A19 A19, version 5 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 49 A19, version 5

68

Changes: The sensors are moved from V–ECU to T–ECU. Connection point C11.25 changed to C11.38.

Connection point C06.8 changed to C06.2 The marking on the feed cables to the sensors changed.

SE – Sensors SE5201 Sensor feed pressure brakes, tractor unit SE5202 Sensor feed pressure brakes, load unit SE5203 Sensor output pressure brakes, tractor unit SE5204 Sensor output pressure brakes, load unit

Fig. 50 Component position

69

Wiring diagram A20 A20, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 51 A20, version 3

70

Changes: Cables are moved from V–ECU to T–ECU. Cable and colour marking on ground connections (EB24) changed.

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Wiring diagram A21 A21, version 3 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 52 A21, version 3

72

Changes: C–ECU discontinued, means changes in cables harnesses.

Flag 2 for diagram A01 discontinued.

Connector C24 and C53 with associated cable harness discontinued.

MA – Solenoid valves MA5501 Disengagement parking brake 1 MA5502 Disengagement parking brake 2 (doubled function) MA5901 Engagement, load and dump brake SE – Sensors SE5501 Sensor, pressure parking brake SW – Switches SW5501 Parking brake SW5901 Load and dump brake

Fig. 53 Component position

73

Wiring diagram A22 A22, version 5 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153– A35D 13001– 72001– A40D 12001– 70001–

Fig. 54 A22, version 5

74

Change: C–ECU EA24 changed to V–ECU EA31.

C–ECU EB39 changed to V–ECU EA32.

C–ECU EA40 changed to V–ECU EA40.

FU – Fuses (for position, see Electrical distribution box, description, page 102) FU3 Fuse 3 FU21 Fuse 21 HE – Heating element HE8501 Heating element, seat heating RC – Camera RC8401

Monitor, back-up camera (optional equipment)

RE – Relay (for position, see Electrical distribution box, description, page 102) RE3606 (15) Back-up monitor, Tachograph SE – Sensor SE8501 SE8502

Monitor, seatbelt buckle (buckled/unbuckled) Monitor, seat (loaded/unloaded)

SW – Switches SE8501 Seat heating

V1000555

Fig. 55 Component position

75

Wiring diagram A23 A23, version 2 Machine Place of manufacture, serial number EU US Brazil A25D 11414– 61077–61118 – A30D 10224– 60061–60093 70001– A35D 11593– 61278–61303 71017– A40D 10509– 60237–60286 70001–

Fig. 56 A23, version 2

76

Change: SE8701/22 new design with cable to V-ECU EA4.

FU – Fuse (for position, see Electrical distribution box, description, page 102) FU8 Fuse 8 MA – Solenoid valve MA8701 Control, compressor, air conditioning (optional equipment) MO – Motor MO8701 Cab fan RE – Relays(a) RE8701(3) Fan and climate control system (for position, see Electrical distribution box, description, page 102) RE8702(48) Climate control system (for position, see Other fuses and relays, description, page 106) RE8703(44) Climate control system (for position, see Other fuses and relays, description, page 106) a. Number in brackets specifies socket number SE – Sensor(a) SE8701(22) Monitor, refrigerant pressure (optional equipment) SE8702(21) Monitor, refrigerant temperature (optional equipment) a. Number in bracket specifies previous parking SW – Switches SE8701 Air conditioning (optional equipment) SE8702 Cab fan

Fig. 57 Component position

77

Wiring diagram A24 A24, version 6 Machine Place of manufacture, serial number EU Brazil A25D 13575– – A30D 12474– 73153–

Fig. 58 A24, version 6

78

Changes: C–ECU discontinued, means changes in cables harnesses.

Connection points C05.16 and C05.24 discontinued.

Cable and colour marking on the feed cables to SE9102 and SE9103 changed.

MA – Solenoid valve MA9101 Hold solenoid, float position dump lever SE – Sensors and monitors SE9102 Sensor, steering pressure, engine-dependent pump SE9104 Monitor, hydraulic oil level, tank SE9501 Monitor, position body up/down

MA9102

Shut-off, hydraulic pump

SE9103

Sensor, steering pressure, ground-dependent pump Sensor, hydraulic oil temperature, tank

SE9105

SW – Switches SW9102 Dump lever, hold position

MA9102

SE9104 SE9105

SE9501

MA9101 SW9102

SE9103 SE9102

V1022154

Fig. 59 Component position

79

Wiring diagram A25 A25, version 4 Machine Place of manufacture, serial number EU Brazil A25D 13575–14999 72001–72099 A30D 12474–13999 73153–73999

Fig. 60 A25, version 4

80

Change: Colour marking on cable from diagram A05 flag 25 changed.

Connection RE2501 pin 85 and 86 shifted.

Flag 23 for diagram A05 changed to 31.

Cable from diagram A08 to EMS12 added.

HE2301 added.

HE – Heating coils HE2301 Heating coil, fuel heating (optional equipment) HE2501 Heating coil, preheating induction air MA – Solenoid valves MA2309 Drain valve, water in fuel (equipment) PWM – PWM valves PWM2501 Control, pressure governor exhaust brake RE – Relay RE2501

Preheating, induction air

SE – Sensor SE2302 Monitor water in fuel

Fig. 61 Component position

81

A25, version 5a Machine Engine

A25D A30D

D9AABE2 D9AADE2

Change: Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

MA2309 discontinued.

Cable from diagram A05 to EL3 added.

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9BAAE3 and D9BADE3 see wiring diagram A25 version 5b.

Fig. 62 NOTE! A25, version 5a

82

HE – Heating coils HE2301 Heating coil, fuel heating (optional equipment) HE2501 Heating coil, preheating induction air PWM – PWM valves PWM2501 Control pressure governor exhaust brake RE – Relay RE2501

Preheating, induction air

SE – Sensor SE2302 Indication, water in fuel

RE2501

HE2501

PWM2501

HE2301 SE2302

V1038997

Fig. 63 Component position

83

A25, version 5b Machine Engine

A25D A30D

Change: Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

D9BAAE3 D9BADE3

New engine type D9B MA2309 discontinued.

Cable from diagram A05 to EL3 added.

MA2504 and MA2505 added.

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9AABE2 and D9AADE2 see wiring diagram A25 version 5a.

A03 13

BN/W 27103

EMS1

P

EB15

A14 46

GR 1708A

EMS4

GR

EA34

A14 47

OR 1708B

EMS5

OR

EA33

A14 45

GN/Y CAN1 H

EMS2

Y

EB51

A14 44

Y CAN1 L

EMS3

GN

EB55

RE2501

A05 25

BL 1024

EMS12

86

BL/R

85 87

30

R

A04 15

EB25

BL

HE2501 R

31GE1

87A

EB7

GN

A08 2 A28

GN/R 15-30

EMS12

66

GN/R

1

GR/SB

2

HE2301 SE2302

7

W/SB

3

A04

31GF6

A04 EB8

Y

E-ECU MA2504 2

GR

1

PWM2501

A05 26

Y 1025

EMS7 GR

GR

1

MA2505 SB 31

EMS10

W/SB

W/SB

A05 24

BN 1023

EMS9

R/W

A05 40

BN 1023

EL3

R/W

EL1

R/W

EB30

BN

EB38

P

EB50

W/SB

EA57

W/SB

EB58

W/SB

EB59

W/SB

EB61

R/W

EB60

R/W

EB57

2

6 7

A05 31

GN

W/SB

EB29 V1038991

Fig. 64 NOTE! A25, version 5b

84

HE – Heating coils HE2301 Heating coil, fuel heating (optional equipment) HE2501 Heating coil, preheating induction air MA – Solenoid valves MA2504 Control, exhaust circulation (EGR) MA2505 Exhaust brake (EPG)/wastegate (ON/OFF) PWM – PWM valves PWM2501 Control exhaust brake (EPG)/wastegate RE – Relay RE2501

Preheating, induction air

SE – Sensor SE2302 Indication, water in fuel

RE2501

HE2501

MA2505 PWM2501

HE2301 SE2302

MA2504

V1038998

Fig. 65 Component position

85

Wiring diagram A26 A26, version 2 Machine Engine

A25D A30D

D9A D9A

Change:

Place of manufacture, serial number EU Brazil 13001–14999 72001–72099 12001–13999 73000–73999

New engine type D9A. PWM2301, PWM2302, SE2307 and SE2308 discontinued.

MA2301–MA2306 added.

A26, version 3a A25D A30D

D9AABE2 D9AADE2

Change:

15001– 14001–

72101– 74001–

Colour marking cable harness changed.

Earlier colour marking white (all cables).

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9BAAE3 and D9BADE3 see wiring diagram A25 version 3b.

E-ECU EA11

OR

OR

EA22

OR

OR

EA23

OR

OR

EA12

GR

GR

EA34

VO

VO

EA35

VO

VO

EA36

VO

VO

EA24

BL

BL

MA2301

MA2302

MA2303

MA2304

MA2305

MA2306

GR

GR

GR

BL

BL

BL

A26 V1038992

Fig. 66 NOTE! A26, version 3a

86

MA – Solenoid valves MA2301 Control, injector 1 MA2302 Control, injector 2 MA2303 Control, injector 3 MA2304 Control, injector 4 MA2305 Control, injector 5 MA2306 Control, injector 6

Fig. 67 Component position

87

A26, version 3b Machine Engine

A25D A30D

Change:

Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

D9BAAE3 D9BADE3

New engine type D9B New version MA2301–MA2306.

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9AABE2 and D9AADE2 see wiring diagram A26 version 3a.

E-ECU

Y

Y

GR

GR

MA2301

MA2302

MA2303

EA62

Y

1

2

Y 1

2

1

2

EA59

GR

3

4

GR 3

4

3

4

EA24

P

EA20

OR

EA16

P

EA12

OR

EA32

P

EA28

OR W

W

BL

BL

MA2304

MA2305

MA2306

EA61

W

1

2

W 1

2

1

2

EA60

BL

3

4

BL 3

4

3

4

EA56

BN

EA52

VO

EA48

BN

EA44

VO

EA40

BN

EA36

VO

A26 V1028372

Fig. 68 NOTE! A26, version 3b

88

MA – Solenoid valves MA2301 Control, injector 1 MA2302 Control, injector 2 MA2303 Control, injector 3 MA2304 Control, injector 4 MA2305 Control, injector 5 MA2306 Control, injector 6

Fig. 69 Component position

89

Wiring diagram A27 A27, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13001–14999 71001–72099 A30D 12001–13999 73000–73999

Change: New engine type D9A. SE2306 discontinued.

SE2301 changed version.

MA2308 added.

E-ECU SE2606 Y/W

EA25

BN/W

EA5

2

BN

EA3

3

GN

EA2

2

GR

EA14

3

BL/W

EA1

GN/W

EA4

3

GN

EA27

5

GN/W

EA19

BN/W

GN/W

1

BN/W

4

SE2508 Pa

SE2507

GN/W

1

BN/W

4

SE2203 Pa

SE2202

SE2301 GN/W 2

A25 67

W

7

A25 65

GR/SB

1

1 Pa

4

2

MA2308

4

BN/W

V1022037

Fig. 70 A27, version 2

90

MA – Solenoid valves MA2308 Drain pump, fuel SE – Sensors SE2202 Engine oil temperature SE2203 Engine oil pressure SE2301 Fuel pressure SE2507 Charge-air temperature SE2508 Boost pressure SE2606 Coolant temperature, engine

Fig. 71 Component position

91

A27, version 3a Machine Engine

A25D A30D

D9AABE2 D9AADE2

Change:

Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

MA2308 discontinued.

SE2202 moved to wiring diagram A28.

SE2507/SE2508 changed version.

SE2509 is added

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9BAAE3 and D9BADE3 see wiring diagram A27 version 3b.

A28 69

E-ECU

SE2509 1 Pa

BN/W

EB13

Y

EA27

BN

EB14

Y/W

EA25

BN/W

EA5

4

GR

EA3

2

BL/W

EA2

4

BN/W

2

SE2606 BN/W

A28 70 BN

3

BN/W

1

SE2508 Pa

SE2507 BN

EA4

SE2203 BN

1 Pa

4

BN/W

2

GR

EA14

BN

EA27

SE2301 BN

1 Pa 2

4

BN/W

V1038993

Fig. 72 NOTE! A27, version 3a

92

SE – Sensors SE2203 Engine oil pressure SE2301 Fuel pressure SE2507 Charge-air temperature SE2508 Boost pressure SE2509 Crankcase pressure SE2606 Coolant temperature, engine

SE2203

SE2507 SE2508

SE2301

SE2509

SE2606

V1039022

Fig. 73 Component position

93

A27, version 3b Machine Engine

A25D A30D

D9BAAE3 D9BADE3

Change:

Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

New engine type D9B. MA2308 discontinued.

SE2202 moved to wiring diagram A28.

SE2507/SE2508 changed version.

SE2509 is added

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9AABE2 and D9AADE2 see wiring diagram A27 version 3a.

E-ECU

SE2509 1 Pa

BN

4

BN/W

2

Y

EB28

Y/W

EB27

BN/W

EB18

GN/W

EA7

4

GR

EA22

2

BL/W

EA47

BN/W

EA11

BN

EB17

GR

EB11

BN

EB16

SE2606 BN/W

A28 69

3

SE2508 Pa

1

SE2507

A28 70

SE2203 BN

1 Pa

4

BN/W

2

SE2301 BN

1 Pa 2

4

BN/W

V1038994

Fig. 74 NOTE! A27, version 3b

94

SE – Sensors SE2203 Engine oil pressure SE2301 Fuel pressure SE2507 Charge-air temperature SE2508 Boost pressure SE2509 Crankcase pressure SE2606 Coolant temperature, engine

SE2203

SE2507 SE2508

SE2301

SE2509

SE2606

V1039022

Fig. 75 Component position

95

Wiring diagram A28 A28, version 2 Machine Place of manufacture, serial number EU Brazil A25D 13001–14999 72001–72099 A30D 12001–13999 73000–73999

Change: New engine type D9A SE2205 added (moved from wiring diagram A01).

Cable from E–ECU EB8 to wiring diagram A25 added.

Colour-marking changed on cable from E–ECU EB17 to SE2501/2502 as well as on cable from E–ECU EB8 to SE2603.

Pin number on connector for SE2603 changed.

E-ECU

SE2701 2

BL/SB

EA30

BL/R

EA31

BN/W

EA18

Y

EA7

WO/W

EB22

BL/GN

EB15

1

SE2703 2

1

SE2205 2 1

EB13

WO/W

4

GR/W

2

SE2501 °C

SE2502

390 ohm

3

BL/Y

EB3

1

BL/R

EB17

BL/SB

EB7

GR/W

EB8

2200 ohm

SE2603 GR/W

A25 66

GR/W

2

1

V1022038

Fig. 76 A28, version 2

96

SE – Sensors and monitors SE2205 Sensor engine oil level SE2501 Sensor, ambient air temperature (for engine) SE2502 Monitor, air filter pressure SE2603 Monitor, coolant level SE2701 Sensor, engine speed SE2703 Sensor, camshaft speed

Fig. 77 Component position

97

A28, version 3a Machine Engine

A25D A30D

D9AABE2 D9AADE2

Change:

Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

SE2202 added (moved from wiring diagram A27).

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9BAAE3 and D9BADE3 see wiring diagram A28 version 3b.

E-ECU

SE2701 2

Y

EA31

BN/W

EA30

Y

EA7

BN/W

EA18

1

SE2703 2

1

EB15

GR

1

A27 70

BN/W

4

A27 69

BN/W

4

GR/SB

2

SE2205 SE2202 °C

2

BL/GN

EB22

3

GN

EA1

3

BL/Y

EB3

1

GR/R

EB17

BL

EB7

GR/SB

EB8

SE2501 °C

SE2502

390 ohm

2200 ohm

SE2603 GR/SB 2

A25 66

GR/SB

1

V1038995

Fig. 78 NOTE! A28, version 3a

98

SE – Sensors and monitors SE2202 Sensor, engine oil temperature SE2205 Sensor engine oil level SE2501 Sensor, ambient air temperature (for engine) SE2502 Monitor, air filter pressure SE2603 Monitor, coolant level SE2701 Sensor, engine speed SE2703 Sensor, camshaft speed

SE2701

SE2603

SE2202 SE2205

SE2703

SE2501 SE2502

V1039023

Fig. 79 Component position

99

A28, version 3b Machine Engine

A25D A30D

D9BAAE3 D9BADE3

Change:

Place of manufacture, serial number EU Brazil 15001– 72101– 14001– 74001–

New engine type D9B. SE2202 added (moved from wiring diagram A27).

NOTE! From and incl. serial numbers acc. to the above, there are two different engine alternatives. For engines D9AABE2 and D9AADE2 see wiring diagram A28 version 3a.

E-ECU

SE2701 2

Y

EA37

BN/W

EA38

Y

EA45

BN/W

EA46

1

SE2703 2

1

EB4

GR

1

A27 70

BN/W

4

A27 69

BN/W

4

GR/W

2

SE2205 SE2202 °C

2

BL/GN

EB3

3

GN

EA31

3

BL/Y

EB31

1

GR/R

EA29

SE2501 °C

SE2502

390 ohm

2200 ohm

EA15

SE2603 GR/SB 2

A25 66

GR/SB

1

BL

EB23

GR/SB

EB10

V1038996

Fig. 80 NOTE! A28, version 3b

100

SE – Sensors and monitors SE2202 Sensor, engine oil temperature SE2205 Sensor engine oil level SE2501 Sensor, ambient air temperature (for engine) SE2502 Monitor, air filter pressure SE2603 Monitor, coolant level SE2701 Sensor, engine speed SE2703 Sensor, camshaft speed

SE2701

SE2603

SE2202 SE2205

SE2703

SE2501 SE2502

V1039023

Fig. 81 Component position

101

372 Electrical distribution box; fuse; relay; circuit breaker Electrical distribution box, description

Fig. 82 Electrical distribution box 1

2

3

4

5

6

7

8

9

10

11

15A 27

5A 28

15A 29

10A 30

5A 31

5A 32

12

13

14

15

16

17

18

19

20

21

5A 34

5A 35

5A 36

10A 37

15A 38

15A 39

15A 40

5A 41

5A 42

E-ECU

5A 22

5A

5A 5A 10A 15A 23 24 25 26 D-ECU T-ECU T-ECU V-ECU D-ECU V-ECU 10A 15A 3A 15A

15A 33

31A 15A RE1 T-ECUV-ECU

5A

15A RE2

15A RE3

10A

15A

25A

RE4

5A

15A

RE5

RE6

5A RE7

5A

15A RE8

15A

10A

5A

20A

RE9 RF3601

V-ECU

D-ECU RE10 T-ECU

RE11

RE12

RE13

RE14

RE15

RE16

RE17

RE18

VOLVO CE 11 119 200

E-ECU

V1039024

Fig. 83 Electrical distribution box, decal for fuses and relays

Fuses FU1–FU42 Type

Blade fuse

Colour

(a)

Violet

3A

Light brown

5A

Red

10 A

Blue

15 A

Natural (white)

25 A

a. According to SAE J 1284 (dim5×19×19 mm)

102

Rating

Fuses Table 13. Electrical distribution box, fuses on circuit board FU1–FU42 Designation, Rating, Description FU1 5A SE4201, SE5502, SE8701, SW2301, SW2502, SW2503, SW2505, SW2701, SW2705, SW4201, SW4215 SW5901, SW9102, FU2 5A SE5601–5605 Monitors stroke brakes, SE9501 Position monitor load body FU3 5A AL3201 Alternator, IA service socket, PC service socket SE8501, SE9101, SE9104, SE9106, SE9107 FU4 10 A Not used FU5 15 A LA3501, LA3516–3518 Interior lighting, RE3504, SE8301 Position monitor door SW3503, SW3507–3509 Switches, interior lighting

Wiring diagram Wiring diagram A01, page 32

FU6

15 A

Wiring diagram A08, page 46

FU7

5A

FU8

15 A

FU9

10 A

FU10

5A

LA3601 Rotating beacon, SW3607 Switch rotating warning beacon LA3602–3605, 3608, 3609 Direction indicators and hazard flashers, RF3601 Flasher relay, SW3605, SW3606 MO8701 Ventilation fan, MA8701 Climate control system, RE8702, RE8703, SE8701, SE8702, SW8701, SW8702 SE4607 Longitudinal differential lock dropbox, SW4602–4604 Switches, differential locks Not used

FU11 FU12

5A 15 A

Wiring diagram A05, page 40 Wiring diagram A05, page 40

FU13 FU14 FU15

5A 5A 5A

Not used E–ECU Feed 28VDC, MA2307 Engine shut-off, SW3305–3306 Switches engine stop, FH3, FH4 fuses LA3503, Low beam, right LA3502, Low beam, left LA3505 High beam, right

FU16 FU17 FU18 FU19

10 A 15 A 15 A 15 A

Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A04, page 38 Wiring diagram A09, page 48

FU20

5A

SA3601 Buzzer, central warning Spare (belongs to relay socket no. 7) MO3301 Starter motor, control (operation) voltage LA4201 Reversing (back-up) light, RC8401 Reversing (back-up) monitor, SA4201 Reversing (back-up) warning SO3901 Voltage converter

FU21 FU22

5A 5A

Wiring diagram A22, page 74 Wiring diagram A05, page 40

FU23

10 A

FU24 FU25

15 A 15 A

IM3809 Tachograph, RC8401 Back-up monitor SE2302 Monitor, water in fuel, SE9107 Differential pressure sensor return oil filter, cooling fan.

I–, T– and V–ECU, Feed 28 VDC, LC3804, LC4601–4605, LC5902, LC8301, LC8501, LC9501, LC9901–9904 Control lights T–ECU, Feed 28 VDC V–ECU, Feed 28 VDC

Wiring diagram A05, page 40 Wiring diagram A22, page 74 Wiring diagram A05, page 40 Wiring diagram A11, page 52

Wiring diagram A09, page 48 Wiring diagram A23, page 76 Wiring diagram A18, page 66 Wiring diagram A05, page 40

Wiring diagram A07, page 44 Wiring diagram A07, page 44 Wiring diagram A07, page 44

Wiring diagram A11, page 52

Wiring diagram A05, page 40

Wiring diagram A05, page 40 Wiring diagram A05, page 40

103

Table 13. Electrical distribution box, fuses on circuit board FU1–FU42 Designation, Rating, Description FU26 3A I–ECU Feed 28 VDC FU27 15 A FU13, FU14, FU35, FU36, SW3501–3502 Switch travel lights FU28 15 A FU15, FU38, SW3506 Headlight flasher FU29 5A FU37, FU39, RE3501, RE3502, SW3504, SW3505 Working lights FU30 15 A HE2301 Fuel heating, HE3601–3604 Electrically–heated rear-view mirrors, HE8501 Electrically heated seat, SW3601, SW8501

Wiring diagram Wiring diagram A05, page 40 Wiring diagram A07, page 44

FU31 FU32

15 A 10 A

Wiring diagram A12, page 54 Wiring diagram A11, page 52

FU33 FU34

25 A 15 A

FU35

5A

HE3801 Cigarette lighter IM3809 Tachograph, LA3602–3605, LA3608, LA3609 Direction indicators, RF3601 Flasher relay, SO3901 Voltage converter, SW3606 PO3901, Power outlet 28VDC MO3601 Windshield washer, MO3602 Windshield wiper, RE3601, RE3602, SA3602 Horn, SW3602, SW3604, SW3608 LA 3508–3510 Running lights, LA3610, R3501 Guide light in switches

FU36

5A

Wiring diagram A07, page 44

FU37 FU38 FU39 FU40

15 A 5A 15 A 10 A

IA Service socket, LA 3511 Running lights, LA3801–3806 Instrument lighting, R3502 LA3512–3513 Working lights front LA3504 High beam left, LC3501 High beam indication LA3514–3515 Working lights rear LA5201–5202 Brake lights

FU41

5A

Wiring diagram A11, page 52

FU42

20 A

IM3809 Ground tachograph, SO3901 Ground, memory, voltage converter Not used

104

Wiring diagram A07, page 44 Wiring diagram A08, page 46 Wiring diagram A08, page 46

Wiring diagram A12, page 54 Wiring diagram A10, page 50

Wiring diagram A07, page 44

Wiring diagram A08, page 46 Wiring diagram A07, page 44 Wiring diagram A08, page 46 Wiring diagram A09, page 48

Wiring diagram A12, page 54

Relays Table 14. Electrical distribution box, relays on circuit board Relay socket, Designation, Description 1 R3701 Feed 28VDC I–/T– and V–ECU. Fuses FU1, FU2, FU3, FU22 and FU23.

2 RE3702 Supply 28 VDC V–ECU (via FU25) Control, RE3703, RE3705 3 RE8701 Fan and air conditioning Differential locks 4 RE3503 Electrically heated rear view mirrors, working lights and seat Fuel heating 5 RE3605 Windscreen wipers, windscreen washer and horn

6 7 8 9 10

RE3603 RE RE3301 RE4201 RE3703

Buzzer, central warning Not used Starter motor, control (operation) voltage (via FU18) Back-up light, back-up alarm, back-up monitor Supply 28 VDC T–ECU (via FU24)

Wiring diagram Wiring diagram A05, page 40 Wiring diagram A05, page 40 Wiring diagram A23, page 76 Wiring diagram A08, page 46 Wiring diagram A10, page 50 Wiring diagram A12, page 54 Wiring diagram A12, page 54 Wiring diagram A04, page 38 Wiring diagram A09, page 48 Wiring diagram A05, page 40

11 RE3705 Feed 28VDC E–ECU, preheating of induction air, Exhaust brake, engine stop Drain fuel 12 RE3604 Direction indicators, hazard flashers and headlight flasher 13 RE3601 Windscreen wipers 14 RE3602 Windscreen washer 15 RE3606 Back-up monitor, Tachograph

Wiring diagram A05, page 40

16 RE3501 Working lights, front 17 RE3502 Working lights, rear 18 RE5201 Brake lights

Wiring diagram A08, page 46 Wiring diagram A08, page 46 Wiring diagram A09, page 48

Flasher relay RFX RF3601 Direction indicators

Wiring diagram A09, page 48 Wiring diagram A10, page 50 Wiring diagram A10, page 50 Wiring diagram A22, page 74

Wiring diagram A09, page 48

105

Other fuses and relays, description Other fuses Table 15. Other fuses Designation, Rating, Description FC1 40 A Main fuse FC2 150 A HE2501 Heating coil preheating induction air FC3 40 A MO3702 Hood pump

Wiring diagram Wiring diagram A04, page 38 Wiring diagram A04, page 38 Wiring diagram A04, page 38

FH2 FH3 FH4

Wiring diagram A05, page 40 Wiring diagram A05, page 40 Wiring diagram A05, page 40

10 A 5A 5A

Delayed stop RE2501 Relay preheating induction air MA2308, MA2309 Drain water in fuel PWM2501 Exhaust brake

Older version

New version FC1, main fuse for ignition FC2, fuse for preheating coil FC3, fuse for hood pump

V1030074

Older version

106

New version FH2, fuse for relay delayed stop FH3, fuse for relay preheating induction air FH4, fuse for drain water in fuel as well as for exhaust brake

Other relays Table 16. Other relays Designation, Relay socket, Description RE2501 – Preheating, induction air RE3504 20 Interior lighting RE3704 19 Delayed stop RE8702 48 Air conditioning RE8703 44 Air conditioning

Wiring diagram Wiring diagram A25, page 80 Wiring diagram A11, page 52 Wiring diagram A05, page 40 Wiring diagram A23, page 76 Wiring diagram A23, page 76

Older version

New version RE2501, relay for preheating of induction air

Older version

New version

V1030074

RE3504, relay for delayed stop RE3704, relay for interior lighting

RE8702 and RE8703, relays for air conditioning, located behind cover panel right front in cab

107

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USER FEEDBACK If you have any criticism or comments to make about this manual, please make a photo copy of this page and write down your points of view and post it to us.

To Volvo Construction Equipment Customer Support AB Dept CEM SE-631 85 Eskilstuna Sweden

From ......................................... ......................................... .........................................

e-mail: servicemanuals@volvo.com

Concerns publication: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Ref. no. VOE 21 B 1001455 Printed in Sweden 2005-08 Volvo, BraĂĽs

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