Cat TH360B Telehandler Electrical System Schematic Manual - PDF DOWNLOAD

Page 1

Description

Wire Color

Power Circuits

Component Identifiers (CID¹) Module Identifier (MID²) Engine Control (MID No. 036)

Description

Control Circuits (Continued)

101

RD

Battery (+)

795

YL

Quick Coupler Relay

102

BU

Head Lamp

797

PU

Platform Mode Switch

103

RD

Head Lamp

798

GN

Mode Switch

105

BR

Key Switch

799

WH

PHS Valves +10V

0041

ECM (Electronic Control Module) 8 Volt DC Supply

108

RD

Battery (+) to Product Link

852

GN

Cont Flow

0091

Throttle Position Sensor

109

RD

Alt Output (+) Term

854

PK

Boom Angle Switch

111

RD

Machine Control Battery (+)

856

GN

Trigger Switch Parity

0100

Engine Oil Pressure Sensor

112

PU

Main Power Relay Output

863

BU

Cab/Platform Indicator Switch

0102

Boost Pressure Sensor

114

RD

Warning Horn (Forward)

867

PU

PHS Joystick Grip Control

0105

116

BR

Frame Level/Tow

869

PU

Cont Flow Switch

0110

117

RD

Lift Pump Battery (+)

870

OR

Frame Interlock Relay

0174

Fuel Temperature Sensor

118

GY

Front Wiper Motor

874

GY

LSI Sensor

119

PK

Wiper Motors Switch Power

892

BR

CAT Data Link (+)

0247

SAE J1939 Data Link

121

YL

Accessory Socket

893

GN

CAT Data Link (-)

0253

Personality Module

122

BU

Fuel Injector Relay

900

PU

Transmission Shift Solenoid

0262

123

WH

Cold Start Relay

901

WH

Transmission Shift Solenoid

124

GN

AC Blower (Low)

902

BR

Transmission Shift Solenoid

125

OR

RH Tail Lamp

911

YL

Steering Mode Switch

127

OR

Boom Floods

913

BU

Front Wiper Switch

128

PK

AC Blower (High)

944

OR

CDL (-)

130

GN

Cab Floods 2

945

BR

131

BR

Cab Floods 1

958

YL

133

OR

PHS

959

135

BU

Radio Power

975

136

GN

Auxiliary Circuit

141

PK

Seat

144

GN

147

Component Location Schematic Location

Machine Location

ACCELERATOR

G-6

1

ALARM - BACKUP

B-18

Component

Schematic Location

Machine Location

SENSOR - FRONT AXLE CENTER

F-2

11

2

SENSOR - INTAKE MANIFOLD PRESSURE

D-8

E

Component

31200310 December 15, 2006

Connector Location Connector Number

Schematic Location

Machine Location

ALARM - MONITOR

I-5

3

SENSOR - INTAKE MANIFOLD TEMP

D-8

E

ALARM - PLATFORM

I-2

A

SENSOR - LEVER BOOM EXTEND/RETRACT

K-3

G

CONN 1

M-18

A

ALTERNATOR

C-6

4

SENSOR - LEVER BOOM RAISE/LOWER

K-3

G

ANTENNA - MSS TIRIS

G-6

C

SENSOR - LEVER PLATFORM ROTATE

L-3

G

CONN 2

L-18

A

ANTENNA - RADIO

G-6

5

SENSOR - LSI STRAIN

D-17

39

CONN 3

D-18

50

ARC SUPPRESSOR - CIRCLE

K-4

6

SENSOR - MASTER

L-2

G

CONN 4

B-18

51

Inlet Manifold Temperature Sensor

ARC SUPPRESSOR - CRAB

L-4

6

SENSOR - OIL PRESSURE

D-8

E

ARC SUPPRESSOR - LH STAB LOWER

G-1

7

SENSOR - REAR AXLE CENTER

C-17

40

CONN 5

B-17

52

Engine Coolant Temperature Sensor

ARC SUPPRESSOR - LH STAB RAISE

H-1

7

SENSOR - SHIFT RAIL 1

D-11

F

CONN 6

E-17

53

ARC SUPPRESSOR - RH STAB LOWER

F-1

7

SENSOR - SHIFT RAIL 2

C-11

F

CONN 7

B-16

52

ARC SUPPRESSOR - RH STAB RAISE

G-1

7

SENSOR - SHIFT RAIL 3

C-11

F

BASE - ITT GRIP

F-5

B

SENSOR - SLAVE

M-2

G

CONN 8

E-15

52

5 Volt Sensor Power Supply

BATTERY 1

A-6

8

SENSOR - TC OIL TEMPERATURE

C-11

F

CONN 9

E-15

52

0266

Crank Without Injection Input

BATTERY 2

0320

Speed/Timing Sensor

0342

Secondary Engine Speed Sensor

0774

Secondary Throttle Position Sensor

CDL (+)

1627

Fuel Pump Relay

Solenoid QC

1639

Machine Security System Module

WH

Arc Suppressor QC

WH

Solenoid Return

1684

Fuel Injection Pump

985

GY

Crab Steer Relay

1743

Engine Operation Mode Selector Switch

986

OR

Circle Solenoid

1894

Cruise Control Disengage Switch

Beacon

987

WH

Diverter Solenoid

1895

Cruise Control Speed Toggle Switch

PU

Auxiliary Div Power

990

GN

Diverter Solenoid

150

RD

Engine ECM Battery (+)

991

WH

Shift Rail Sensor

157

YL

Turn Indicator Switch Power

993

BR

Accelerator

161

RD

Hazard Indicator

994

GY

Oil Pressure Sensor

CID

165

YL

Differential Lock Foot Switch

995

BU

Coolant Temperature Sensor

0041

ECM (Electronic Control Module) 8 Volt DC Supply

167

OR

Access Platform ECM

0070

Parking Brake Switch

0096 0110

Transmission Oil Temperature Sensor

997

OR

Not Used

Ground Circuits

999

WH

Fuel Injector Pump

CID

Component

A-6

8

SENSOR - TC SPEED

E-10

F

CONN 10

L-15

29

BEACON

M-17

9

SENSOR - VLPM

E-8

F

CONN 11

L-14

29

BLOCK - FUSE

F-16

D

SENSOR - XMSN INT SPEED 1

E-10

F

BLOCK - FUSE

I-16

D

SENSOR - XMSN OIL TEMPERATURE

D-10

F

CONN 12

D-13

53

BLOCK - RELAY

H-16

D

SENSOR - XMSN OUT SPEED

D-10

F

CONN 13

E-13

53

BLOCK - RELAY

J-16

D

SOCKET - ACCESSORY

L-15

29

CONN 14

F-13

53

BREAKER - ALTERNATOR

B-7

10

SOCKET - ADAPTER

M-17

A

BREAKER - MAIN

C-7

10

SOLENOID - 1 REVERSE

A-11

F

CONN 15

F-13

53

BREAKER - STARTER

B-6

10

SOLENOID - 2 FORWARD

A-11

F

CONN 16

M-13

54

BUS BAR

D-5

E

SOLENOID - A/C COMPRESSOR

D-6

E

CONN 17

M-12

A

COIL - FERRITE

D-2

11

SOLENOID - AUX DIV

H-1

41

CONTROL - ECM (ACCESS PLATFORM)

L-1

G

SOLENOID - CIRCLE

L-4

6

CONN 18

M-12

A

CONTROL - ENGINE

C-9

E

SOLENOID - CRAB

L-4

6

CONN 19

D-11

F

CONTROL - JOYSTICK

G-5

B

SOLENOID - DIFFERENTIAL LOCK

D-10

F

CONN 20

H-10

29

CONTROL - MACHINE

E-3

12

SOLENOID - FRAME LEVEL 1

D-2

42

CONN 21

H-10

29

CONTROL - MACHINE SECURITY SYSTEM

F-1

11

SOLENOID - FRAME LEVEL 2

C-1

42

CONTROL - PHS VALVE SSV4

C-17

13

SOLENOID - IMPLEMENT DISABLE

C-17

13

CONN 22

E-9

55

CONTROL - PRODUCT LINK

H-5

14

SOLENOID - LEFT STAB LOWER

G-1

7

CONN 23

L-8

48

Fuel Level Sensor

CONTROL - SHIFTER

K-8

A

SOLENOID - LEFT STAB RAISE

H-1

7

CONN 24

L-8

48

Engine Coolant Temperature Sensor

DISPLAY CLUSTER

J-5

C

SOLENOID - LOAD SENSE CONTROL

B-5

36

FLASHER

L-13

15

SOLENOID - RIGHT STAB LOWER

G-1

7

CONN 25

L-8

48

FLOOD - BOOM LH

H-2

16

SOLENOID - RIGHT STAB RAISE

G-1

7

CONN 26

C-7

E

FLOOD - BOOM RH

H-2

17

SOLENOID - SPEED 1

A-10

F

CONN 27

D-6

56

FLOOD - FRONT LH CAB

M-1

18

SOLENOID - SPEED 2

A-10

F

FLOOD - FRONT RH CAB

I-1

19

SOLENOID - SPEED 3

A-10

F

CONN 28

D-6

E

CONN 29

B-5

57

Machine Control (MID No. 039)

Component

200

BK

Main Chassis

A700

OR

Accelerator

205

BK

Chassis

A701

GY

Not Used

229

BK

Engine

A702

PU

Not Used

0177

A278

BK

Fuel Pump Return

A703

BR

Not Used

Basic Machine Circuits

A704

GN

Not Used

0262

5 Volt Sensor Power Supply

0271

Action Alarm

0368

Transmission Auto/Manual Switch

0444

Starter Motor Relay

FLOOD - REAR LH CAB

K-16

20

SOLENOID - SPEED 4

A-10

F

FLOOD - REAR RH CAB

G-17

21

SOLENOID - SPEED 5

A-10

F

CONN 30

I-5

A

FUSE - FUEL PUMP

C-6

E

SOLENOID - SYNC MOD

A-11

F

CONN 31

M-4

58

GPS VHF

H-5

A

SOLENOID -QC

H-1

44

HEATER - COLD START

A-7

E

SPEAKER - LH

L-17

A

CONN 32

M-4

58

HORN

J-5

14

SPEAKER - RH

H-17

A

CONN 33

G-3

59

304

WH

Starter Relay No. 1 Output

A705

BU

Not Used

306

GN

Starter Relay Coil

A706

GY

Not Used

307

OR

Key Switch

A707

PU

Not Used

308

YL

Main Power Relay Coil

A708

BR

Not Used

0489

Trigger Switch (Aux.) of Joystick Control

317

YL

Cold Start Relay

A709

OR

Not Used

321

BR

Backup Alarm

A710

GY

Air Restriction Indicator

0490

Implement Lockout Switch

322

GY

Warning Horn (Forward)

A711

PU

Not Used

0590

Engine Control Module

323

WH

Fuel Pump Power

A712

BR

Not Used

0629

Neutralizer Switch

324

BU

Differential Lock Solenoid

A746

PK

Not Used

0668

Transmission Shift Lever

LAMP - ACTION

I-1

G

SUPPRESSOR - BACKLIGHT SIGNAL

H-5

A

CONN 34

K-3

60

325

PK

Fuel Pump Relay Cut-out

C712

BR

Right Stabilizer Down Pressure Switch

0702

Transmission Gear Lever Selector Sensor (Switch)

LAMP - DOME

I-17

A

SUPPRESSOR - FRAME LEVEL 1

D-1

35

329

YL

Fuel Pump to Switch

C713

GY

Left Stabilizer Down Pressure Switch

LAMP - HEAD LH

M-4

22

SUPPRESSOR - FRAME LEVEL 2

C-1

35

G

BU

Shutdown Switch to Shutdown Control

C743

PK

Parking Brake Switch Disengaged

Rear Steering Manual Switch

L-3

332

0750

CONN 35

B-1

26

SUPPRESSOR - FRAME LEVEL DUMP POS 1

C-1

35

CONN 36

I-2

13

BU

Start Relay No. 1 Resistor to Diagnostic

C744

PU

Parking Brake Switch Engaged

Gauge Cluster #1

LAMP - HEAD RH

352

0811

375

BR

Cold Start Relay to Engine ECM

C903

BU

Stabilizer Relay 1

0826

Torque Converter Oil Temperature Sensor

A309

GY

Fuel Lift Pump

C905

OR

Stabilizer Relay 2

1127

Position Sensor - (Fwd./Back Lever) of Joystick Control

A310

BU

Transmission Temperature Switch (V+)

C917

YL

RH Stabilizer Switch

1128

Position Sensor - (Left/Right) of Joystick Control

C919

PU

LH Stabilizer Switch

403

GN

Alternator Terminal

C967

BU

Intake Manifold Temperature Sensor

1187

428

OR

Opr Mon Transmission Oil Temperature

C993

WH

Shift Rail Sensor

443

YL

Power Train Temperature Gauge

E528

PU

HVAC Blower

447

PK

Fuel Level Gauge

E529

YL

A487

PU

Opr Mon Fault Alarm No. 2

E798

PK

C444

YL

Alternator Indicator Lamp

E900

WH

Transmission Out Speed Sensor

E450

GN

Oil Filter Bypass Switch

E901

GN

Transmission Out Speed Sensor

E902

PU

Transmission Intermediate Speed Sensor

Monitoring Circuits

Accessory Circuits

LAMP - REG PLATE 1

E-18

24

SUPPRESSOR - FRAME LEVEL DUMP POS 2

C-1

35

CONN 37

F-2

35

LAMP - REG PLATE 2

D-18

24

SWITCH - A/C HIGH PRESSURE

E-6

E

CONN 38

C-2

61

LAMP - STOP/TAIL/TURN/REV LH

E-18

23

SWITCH - AIR RESTRICTION INDICATOR

E-7

E

LAMP - STOP/TAIL/TURN/REV RH

B-18

25

SWITCH - BEACON

J-8

C

CONN 39

E-1

62

Continuous Flow Switch

LAMP - STOP/TURN/TAIL/FOG LH

F-18

23

SWITCH - BLOWER ON

E-6

E

1189

Position Sensor - (Aux. Hyd.) R Thumb of Joystick Control

LAMP - STOP/TURN/TAIL/FOG RH

A-18

25

SWITCH - BOOM FLOOD

F-9

B

1251

Alternator R-Terminal Signal

MODULE - A/C

E-6

E

SWITCH - CAB FLOOD

F-8

B

HVAC Blower

1326

ECM Location Code

MODULE - LOAD LIMIT

M-3

G

SWITCH - CAB PLATFORM SELECT

F-10

B

Not Used

1401

Transmission Solenoid 1

MOTOR - BLOWER

I-11

28

SWITCH - CONT FLOW

H-7

C

1402

Transmission Solenoid 2

MOTOR - FRONT WASHER

K-13

29

SWITCH - DEADMAN

J-3

G

MOTOR - FRONT WIPER

L-4

14

SWITCH - DIFFERENTIAL LOCK FOOT

L-7

45

1403

Transmission Solenoid 3

MOTOR - FUEL LIFT PUMP

A-7

E

SWITCH - DIMMER

J-7

C

Transmission Solenoid 4

MOTOR - REAR WASHER

K-13

28

SWITCH - DISCONNECT

A-7

E

MOTOR - REAR WIPER

I-17

30

SWITCH - ENGINE START

J-1

G

MOTOR - ROOF WASHER

K-13

28

SWITCH - ENGINE STOP

J-3

G

MOTOR - ROOF WIPER

J-17

31

SWITCH - FOG LAMP

H-8

C

MOTOR - SEAT PUMP

G-11

28

SWITCH - FRAME LEVELING

H-6

C B

500

BR

Wiper - Front (Park)

E903

YL

Transmission Intermediate Speed Sensor

1404

501

GN

Wiper - Front (Low)

E908

BR

Sensor

1405

Transmission Solenoid 5

502

OR

Wiper - Front (Hi)

E909

WH

Sensor

503

BR

Wiper - Rear (Park)

E960

OR

Engine Shutdown Switch

1406

Transmission Solenoid 6

504

YL

Wiper - Rear (Low)

E965

BU

Engine Speed Sensor

1407

Transmission Solenoid 7

506

PU

Washer - Front

E966

YL

Engine Speed Sensor

1410

Transmission Solenoid 10

MOTOR - STARTER

B-6

32

SWITCH - FRONT WASHER

F-7

507

WH

Washer - Rear

F700

BU

Not Used

1529

Quick Coupler Switch

PUMP - FUEL INJECTOR

E-8

E

SWITCH - FRONT WIPER

F-7

B

508

PU

Speaker - Left

F701

BR

Not Used

1530

Quick Coupler Solenoid

RELAY - AUX DIV GROUND

G-15

D

SWITCH - HAZARD

J-6

C

1603

Data Link

RELAY - AUX DIV POWER

G-15

D

SWITCH - HEAD/SIDE LAMP

J-7

C

1658

Position Sensor - Left Thumb Lever of Joystick Control

RELAY - BLOWER HIGH

I-11

15

SWITCH - HEAT/AC

F-6

B

1740

Crab Steering Solenoid

RELAY - BLOWER MEDIUM HIGH

I-10

15

SWITCH - HORN

K-5

C

RELAY - CIRCLE STEER

J-15

D

SWITCH - HVAC BLOWER

F-6

B

RELAY - COLD START

A-7

10

SWITCH - IMPLEMENT DISABLE

F-10

B

509

WH

Speaker - Left (Common)

F702

GN

Accelerator Signal

511

BR

Speaker - Right

F703

GY

Not Used

512

GN

Speaker - Right (Common)

F705

PK

Not Used

513

OR

AC Compressor/Refrigerant Pressure Switch

F706

PU

Not Used

515

GY

Blower Motor (High)

F707

WH

Not Used

1741

Circle Steering Solenoid

516

GN

Blower Motor (Medium)

F708

YL

Not Used

J-16

D

SWITCH - KEY START

G-6

C

BU

Blower Motor (Low)

F709

BU

Not Used

Operator Station Selector Switch

RELAY - CRAB STEER

517

1763

518

OR

Hazard Flasher to Switch

F710

BR

Lift Pump

1788

Right Stabilizer Operator Switch

RELAY - FRAME LEVEL INTERLOCK

G-16

D

SWITCH - LH STAB

H-6

C

521

YL

AC Switch to Refrigerant Switch

F711

GN

CAN Link +

1789

Left Stabilizer Operator Switch

RELAY - FUEL PUMP

B-6

10

SWITCH - LH STAB PRESSURE

H-1

46

522

WH

AC Clutch to Thermostat Switch

F712

GY

CAN Link -

1820

Auxiliary Implement Diverter Relay

RELAY - LIFT PUMP

G-15

D

SWITCH - MAN VSC

K-8

A

523

BR

Roof Wiper

F714

PK

Not Used

1823

Position Sensor - Shift Rail No.1

RELAY - MAIN POWER

G-13

33

SWITCH - OIL FILTER BYPASS

D-7

E

524

BU

Roof Wiper

F715

PU

Not Used

529

WH

Roof Washer

F716

WH

Not Used

1824

Position Sensor - Shift Rail No.2

1825

RELAY - QUICK COUPLER POWER

J-15

D

SWITCH - PARK BRAKE

M-13

A

RELAY - REVERSE LAMPS

J-15

D

SWITCH - PLATFORM MODE

J-2

G

Position Sensor - Shift Rail No.3

RELAY - STABILIZER 1

J-16

D

SWITCH - QUICK COUPLER

K-7

C

1826

Longitudinal Stability Indicator Sensor

RELAY - STABILIZER 2

G-16

D

SWITCH - REAR WIPER

F-8

B

RELAY - START

B-5

10

SWITCH - REV FAN

K-6

A

RELAY- QUICK COUPLER GROUND

J-15

D

SWITCH - RH STAB

H-7

C

RESISTOR - ALTERNATOR

C-7

4

SWITCH - RH STAB PRESSURE

H-1

47

RESISTOR - TERMINATING

H-5

C

SWITCH - ROOF WIPER

F-8

B

536

WH

Hazard Switch to Turn Switch

F717

YL

Not Used

A515

BR

Blower Motor No.2 (High)

F718

BU

Not Used

A516

PK

Blower Motor No.2 (Medium)

F719

BR

Not Used

1827

Longitudinal Stability System

C547

OR

Blower Motor No. 2 (Medium - Low)

E554

PK

F720

GN

Not Used

1828

Boon Angle Switch

F721

GY

Not Used

Lighting Circuits

F722

OR

Not Used

1829

Boom Position Status

Rotary Beacon

F727

BU

Not Used

1830

Boom Telescope Position Status

RESISTOR - TERMINATING RES 1A

D-17

34

SWITCH - SERVICE BRAKE PRESSURE

M-9

1

1831

Rear Axle Lock Solenoid Switch

RESISTOR - TERMINATING RES 2B

F-2

35

SWITCH - STEER MODE SELECT

K-6

C

RESISTOR - TERMINATING STD

A-5

36

SWITCH - STOP LAMP

L-8

48

SENDER - FUEL

E-15

37

SWITCH - TOW HITCH

F-9

B

SENSOR - BOOM LOWERED

C-18

2

SWITCH - TURN SIGNAL

G-8

A

SENSOR - BOOM RETRACTED

M-2

38

SWITCH - XMSN NEUTRAL DISABLE

K-7

C

SENSOR - COOLANT TEMPERATURE

D-8

E

THERMOSTAT

H-10

28

SENSOR - ENGINE SPEED

D-8

E

AC Controller to AC Compressor Clutch

603

PK

604

OR

Stop Lamp

F729

GN

Air Restriction Indicator

605

YL

Turn Lamp - Left

F770

BR

Fuel Injector Pump

1832

Right Stabilizer Pressure Sensor

606

GY

Turn Lamp - Right

F799

BU

Frame Level Dump Position 1/2

608

GN

Flood Lamp - Rear

F846

PU

Machine Security Red LED Signal

1833

Left Stabilizer Pressure Sensor

610

OR

Head Lamp - Basic

G757

OR

Transmission Neutralizer Switch 2

1834

Ignition Key Switch

611

PU

Head Lamp - Hi

G848

GN

Machine Security Green LED Signal

1845

Programmable Hydraulic System Pilot Module #1

612

GY

Backup Lamp

G962

OR

Implement Disable Solenoid

1846

Programmable Hydraulic System Pilot Module #2

614

PU

Park/Tail/Dash Lamp

G970

BU

Flow Control Valve

1847

Programmable Hydraulic System Pilot Module #3

615

YL

Cab Flood Lamp

H750

BR

Front Axle Center

616

BU

Bucket/Boom Flood Lamps

H751

OR

Rear Axle Align Switch

617

BR

Tail/Position Lamp - Left (Road Pkg) Width

H764

GY

Circle Steer Relay

618

YL

Tail/Position Lamp - Right (Road Pkg) Width

H765

WH

Crab Steer Relay

CID

619

GN

Head Lamp (Low)

H802

GY

Proportional Driver Return (5-8)

627

YL

Fog Lamp

J755

BU

Left Frame Level Solenoid Return

0271

649

YL

Light Switch to Park/Tail Lamp Breaker

J756

BR

Right Frame Level Solenoid Return

676

PU

Auxiliary Active Lamp

J757

PU

Stabilizer Relay 2

J758

PK

J759

Control Circuits Platform Mode Switch

Access Platform Control (MID No. 082) Component

Warning Lamp (Action) Remote Emergency Stop Switch

Frame Level Solenoid

1125

Position Sensor (Handle Control - Boom Raise/Lower)

GN

Stabilizer Relay 1

1127

Position Sensor (Handle Control - Platform Rotate)

1763

Operator Station Selector Switch Remote Operator Station Lockout Switch Position Sensor (Handle Control - Boom Extend/Retract)

Transmission Shift Solenoid - Forward

J760

YL

Frame Level Solenoid

YL

Transmission Shift Solenoid - Reverse

J764

BR

Oil Filter Bypass Switch

753

GY

Cab Platform Select Switch

J766

PU

Platform Mode Switch

1772

754

BU

Transmission Shift Solenoid No. 1 or 3

J811

BK

On/Off Return

755

OR

Transmission Shift Solenoid No, 4 or 5

J843

BK

Machine Security LED Ground

1879

756

WH

Transmission Lockup Clutch Solenoid

J847

GN

Monitor Alarm

757

PU

Transmission Neutral Disable Switch

J998

BU

Action Lamp

758

GN

Boom Lower Switch

K791

OR

Rev Fan Switch

759

OR

Steer Mode Select Switch

L730

OR

Oil Pressure Sensor

760

PK

Steer Mode Select Switch

L731

BR

761

GY

Steer Mode Select Switch

L740

762

YL

Boom Retract Switch

N805

763

BU

Quick Coupler Switch

764

PU

765

19

CID

Coolant Temperature Sender

BR

Transmission Oil Temperature Sender

BU

Access Platform Load Limiting

0668

Transmission Shift Lever

N806

BR

Access Platform

Quick Coupler Switch

N932

PU

Platform Mode Switch

OR

Quick Coupler Switch

N957

PK

Product Link

766

GN

Service Brake Pressure Switch

N960

OR

Product Link

767

WH

Lever Platform Rotate

N970

YL

768

OR

LH Stab Pressure Switch

N973

BR

769

BU

Mn VSC Switch

N979

770

GN

Boom Extend/Retract

P909

772

BR

Deadman Switch

773

GY

Deadman Parity Switch

774

YL

775

Product Link

Electrical System Voltage

Product Link

0248

CAT Data Link

GN

Product Link

PK

Man VSC Switch

0817

ECM Internal Backup Battery

P916

OR

Shift Rail Sensor

1391

Theft Deterrent Output Driver #1

P936

GY

Frame Level Solenoid

Implement Diable

T800

OR

+8V Digital Sensor Power

1392

Theft Deterrent Output Driver #2

BR

Left Stab Raise

T901

YL

Machine Secutriy Exciter Coil (In)

776

YL

Left Stab Hold

T902

PK

Machine Security Exciter Coil (Out)

778

BR

RH Stab Switch

T941

BR

Switch (Note D)

779

WH

RH Stab Switch

T942

PK

Switch (Note D)

780

PU

PHS Joystick Grip Control

T943

GY

Switch (Note D)

781

PK

PHS Joystick Y Axis

T944

GN

Switch (Note D)

782

GY

PHS Joystick X Axis

X731

BU

Intake Manifold Temperature Sender

783

OR

Frame Level Disable Relay

X750

OR

Fwd./Rev. Solenoid Return from Controller

784

YL

Left Stab Lower

X753

YL

Left/Right Steering Solenoid Return

785

PK

Right Stab Lower

Y758

PK

PHS Address (Out)

786

GN

Boom Lowered

Y759

YL

PHS Address (In)

787

WH

RH Stab Pressure Switch

Y761

OR

PHS Address (In)

788

YL

Boom Angle Switch

Y787

WH

PHS Valve

790

BU

Boom Retract Switch

Y788

GY

PHS Valve

791

PK

Lever Boom Raise/Lower

Y792

PK

Fuel Injector Pump

792

OR

PHS Joystick Grip Control

Y793

YL

Fuel Injector Pump

793

YL

Implement Diable Switch

Y794

OR

CAN High

794

YL

Auxiliary Diverter Relay

Y795

GN

CAN Low

Electrical Schematic Symbols And Definitions T

16

Pressure Symbol

38

60 7

41 44

12

36 47

39

46

26

22

32

61

35

55

62

F

27

37

49

28

0

Data valid but above normal operational range.

1

Data valid but below normal operational range.

2

Data erratic, intermittent, or incorrect.

3

Voltage above normal or shorted high.

4

Voltage below normal or shorted low.

5

Current below normal or open circuit.

6

Current above normal or grounded circuit.

7

Mechanical system not responding properly.

8

Abnormal frequency, pulse width, or period.

9

Abnormal update.

10

Abnormal rate of change.

11

Failure mode not identifiable.

12

Bad device or component.

13

Out of calibration.

14

Parameter failures.

15

Parameter failures.

16

Parameter not available.

17

Module not responding.

18

Sensor supply fault.

19

Condition not met.

20

Parameter failures.

¹The FMI is a diagnostic code that indicates what type of failure has occurred.

24

25

Normally Closed switch that will open with an increase of a specific condition. No circle indicates that the wire cannot be disconnected from the component. This indicates that the component has a wire connected to it that is connected to ground.

40

8

This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine.

Sender - A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure.

T

Relay (Magnetic Switch) - A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay.

61

G =Located on the access platform.

8 4

47 22

42 26 60

17 36

41 44

Solenoid - A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work.

32

10

Component, Connector, Harness And Wire Symbols

E

56

25

39

F

12

50

59

38

55

35

7

62

16

53

18 54 1 58 19

C 3

48 45

27 A 29

B

Off Machine Switch Specification

236-6923

A/C Hi Pressure

203-7984

Oil Filter Bypass

295-3455

LH Stab Pressure

295-3455

RH Stab Pressure

Actuate

275 to 2800 kPa¹ (40 to 406 psi.) 276 ± 28 kPa (40 ± 4 psi.) 6598.2 ± 206.8 kPa (957 ± 30 psi.) 6598.2 ± 206.8 kPa (957 ± 30 psi.)

Deactuate

170 to 1750 kPa¹ (25 to 254 psi.) 179 kPa (26 psi.) 3371.5 ± 689 kPa (489 ± 100 psi.) 3371.5 ± 689 kPa (489 ± 100 psi.)

28 49 31

30

9 15

21

1 2

Normally Open Normally Open

Access Platform

Component Description

Resistance (Ohms)¹

295-3421

Sender:

178-9570

Solenoid:

A/C Compressor

17.6 ± 0.6

212-3350

Solenoid:

Aux. Div./QC

3.2 ± 0.224

195-9700

Solenoid:

Differential Lock/Speed

201-0315

Solenoid:

Frame Level/Stab. Raise/Lower

177-7807

Solenoid:

Fwd./Rev./Sync. Mod.

2.2 ± 0.2

200-6210

Solenoid:

Implement Disable

10 ± 0.5

Fuel

¹ At room temperature unless otherwise noted. ² Float at Full Position. ³ Float at Empty Position.

120 33² - 240³

10 ± 0.5 10.16 ± 0.3

Deutsch connector: The plug contains all sockets and the receptacle contains all pins.

5A Fuse (5 Amps)

Plug

2

200-L32 BK-14 105-9344

37

² Contact postion at the contacts of the harness connector.

Terminating/Alternator

325-AL135 PK-14 Receptacle

Wire Gauge Ground Connection

Part Number For Connector Recepticle

Pin or Socket Number

Normally Open

Resistors:

Circuit Identification Number

Wire Color

D 5

1

325-AG135 PK-14

Single Wire Connector

L-C12 3E-5179

AG-C4 111-7898

Socket

Harness Identification Letter(s): (A, B, C, ..., AA, AB, AC, ...) Harness Connector Serialization Code: The "C" stands for "Connector" and the number indicates which connector in the harness. (C1, C2, C3, .....)

Part Number for Connector Plug

AG-C3 C-C4 130-6795 130-6795

51

23

Normally Open²

134-2540

24

Harness identification code This example indicates wire 135 in harness "AG".

Pin

Contact Position

Resistor, Sender and Solenoid Specifications

43

20

¹ With increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kpa (25psi).

Part No.

2

33

Machine Harness Connector And Component Locations

Function

52

34

6

46

13

40

11 14

22

Part No.

Wire, Cable, or Harness Assembly Identification: Includes Harness Identification Letters and Harness Connector Serialization Codes

57

G

Failure Description

51

Reed Switch - A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.

² The MID is a diagnostic code that indicates which electronic control modulediagnosed the fault.

Failure Mode Identifiers (FMI)¹

43

50

15

¹ The CID is a diagnostic code that indicates which circuit is faulty.

FMI No.

23

2

57

Circuit Breaker Symbol

Flow Symbol

Normally Open switch that will close with an increase of a specific condition (temp-press-etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it.

34

13

53

Level Symbol

Temperature Symbol

52 D

29

4

45

33

E

10

56

48

42

59

3

58 1

B

C

54

14

6

11

Component

0168

20 21

17

Machine Security (MID No. 124) CID

30

A

Component Electrical System Voltage

5

18

Shift Lever ECM (MID No. 117) 0168

9

31

D = Located around relay panel.

0337

GN

Manufactured by JLG under license from Caterpillar

C = Located in steering column.

0324

752

Volume 1 - EROPS

B = Located inside of right console.

F = Located on the transmission.

751

The connectors shown in this chart are for harness to harness connectors. Connectors that join a harness to a component are generally located at or near the component. See the Component Location Chart.

A = Located inside of cab.

E = Located under engine cowl.

GN

S/N TBH00100 & After

Machine locations are repeated for components located close together.

Action Alarm

750

TH360B Telehandler Electrical System

1 2

Component Part Number

Sure-Seal connector: The plug and receptacle contain both pins and sockets.

42 Page

Wire Color

Wire Number

31200310 VOL 1

Wire Description Wire Number


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