Electrical System Voltage
0517
AWD Mode Switch
0600
AWD Hydraulic Oil Temperature
2188
Left Forward Clutch Solenoid
2189
Left Reverse Clutch Solenoid
2190 2191
Right Forward Clutch Solenoid Right Reverse Clutch Solenoid
2194
AWD Control Dial
2293
Left Front Drive Motor Solenoid
2294 2295
Right Front Drive Motor Solenoid Left Front Drive Pump Forward Solenoid
2296
Left Front Drive Pump Reverse Solenoid
2297
Right Front Drive Pump Forward Solenoid
2298
Left Motor Speed Sensor 1
2320
Left Motor Speed Sensor 2
2321
Right Motor Speed Sensor 1
2322
Right Motor Speed Sensor 2
Implement Control #3 (MID No. 147) CID
Wire Color
Power Circuits
Wire Number
Description
Wire Color
Description
Wire Number
Wire Color
Power Circuits
Control Circuits (Continued)
Failure Mode Identifiers (FMI)¹
Description Control Circuits Continued
FMI No.
103
YL
LH POSITION LAMPS
E717
GN
RETARDER (MEDIUM / HIGH)
0
Data valid but above normal operational range.
104
YL
RH POSITION LAMPS
E744
YL
SIDE SHIFT SWITCH (NO)
1
Data valid but below normal operational range.
2
RD
BATT (+)
U725
GN
AUTOSHIFT SW (NC)
105
BR
KEY SWITCH
E745
BU
SIDE SHIFT SWITCH (NC)
103
YL
LH POS LAMPS
U726
GY
AUTOSHIFT SW (NO)
106
WH
CAB WORK LIGHTS
E771
BU
JUMPER PIN 1 TO 7 - AUGER RELAY
3
Voltage above normal or shorted high.
104
YL
RH POS LAMPS
U727
WH
INCHING PEDAL SW (NC)
108
BU
DOME LAMP
E772
GN
JUMPER PIN TO 12 - AUGER RELAY
BR
KEY SW
U728
PK
SERV BRAKE PRESS SNSR
PU
MAIN POWER RELAY OUTPUT
E789
PU
HEX MACHINE CONTROL SOLENOID RETURN #1
Voltage below normal or shorted low.
105
112
4
109
RD
ALT OUTPUT (+) TERM # 1
U734
GN
PARK BRAKE OPERATOR SW (N.O.)
114
GN
WARNING HORN (FORWARD)
E790
PK
HEX MACHINE CONTROL SOLENOID RETURN #2
112
PU
MAIN PWR RLY OUTPUT
U735
GY
PARK BRAKE OPERATOR SW (N.C.)
115
PK
LOAD
U736
YL
117
YL
MAIN BKR 2
U739
121
YL
BACKUP ALARM TO LAMP
124
GN
126
5
Current below normal or open circuit.
PK
LOAD
E797
WH
PWM #3 RETURN
6
Current above normal or grounded circuit.
116
BR
BEACON
E929
GY
ARTICULATION ANGLE SENSOR
7
Mechanical system not responding properly.
STEER SPOOL SHIFT RIGHT
118
GY
LH DOOR WIPERS
E974
GN
INCHING INPUT SWITCH
8
Abnormal frequency, pulse width, or period.
BR
STEER LEVER SIGNAL 1
119
PK
RH DOOR WIPERS
F702
GN
THROTTLE
9
Abnormal update.
U740
BU
STEER LEVER SIGNAL 2
120
YL
FRONT REAR WIPERS
F711
GN
CAN LINK +
HVAC
U741
OR
STEER LEVER SIGNAL 3
121
YL
BACKUP ALARM TO LAMP
F712
GY
CAN LINK -
XMSN CTRL
U742
WH
STEER VALVE ERROR
122
BU
SIDE WIPERS
F747
OR
CREEPER SWITCH TO HTC
11
PK
123
WH
AUXILIARY CIRCUIT
F775
BU
CENTER SHIFT SOLENOID
12
Bad device or component.
128
PK
QUICK LUBE
U747
OR
WHEEL LEAN SOL LEFT
124
GN
HVAC
F781
BR
DOWNSHIFT SWITCH (N.O.)
13
Out of calibration.
150
OR
ENGINE BATT (+)
U748
GY
WHEEL LEAN SOL RIGHT
125
OR
BACKLIGHTING
F783
GN
UP SHIFT SWITCH (N.C.)
152
BU
CTCT
U749
BR
BLADE SIDESHIFT SOL RIGHT
126
PK
TRANSMISSION CONTROL
F784
YL
DOWNSHIFT SWITCH (N.C.)
156
YL
AWD CTRL DIAL POS SNSR
U750
PK
BLADE SIDESHIFT SOL LEFT
127
OR
MONITORING
F785
WH
UP SHIFT SWITCH (N.O.)
CENTERSHIFT BLADE CUSHION
U751
WH
BLADE PITCH SOL FWD
PK
AUXILIARY CIRCUIT
F787
GN
SERVICE BRAKE SWITCH (N.O.)
Parameter not available.
PK
128
16
169
129
BU
CIGAR LIGHTER
Module not responding.
U752
PU
BLADE PITCH SOL REV
Ground Circuits
14 15
F843
YL
INCHING PEDAL
17 18
Machine Location
CONN 1
I-15
E
CONN 2
D-3 , I-15
1
CONN 3
H-15
E
CONN 4
E-15
E
CONN 5
E-15
E
CONN 6
D-15
A
CONN 7
B-12
E
CONN 8
E-12
A
CONN 9
H-12
2
CONN 10
H-12
2
CONN 11
I-11
3
CONN 12
C-11
E
CONN 13
D-10
E
CONN 14
D-10
E
CONN 15
H -9
4
CONN 16
H-9
5
CONN 17
I-7
1
CONN 18
G-7
1
CONN 19
D-5
6
CONN 20
D-5
7
CONN 21
F-4
8
CONN 22
I -3
9
CONN 23
G-3
10
Connector Number
Data erratic, intermittent, or incorrect.
115
10
Schematic Location
Failure Description
101
Abnormal rate of change. Failure mode not identifiable.
Parameter failures. Parameter failures.
130
GN
AUXILIARY CIRCUIT
F846
PU
LED DRIVER 1
200
BK
MAIN CHASSIS
U753
BR
SEC STEER REQUEST SIGNAL
132
PK
AETA CONTROL
G750
BU
TRANSMISSION CONTROL FORWARD SWITCH TO GROUND
229
BK
BATT (-)
U766
BR
OPER SEAT SW (NO)
134
YL
AUXILIARY CIRCUIT
G755
GY
TRANSMISSION CONTROL REVERSE SWITCH TO GROUND
A201
BK
IMPL CTRL SERV MODE SW TO GND
U767
BU
OPER SEAT SW (NC)
135
BU
AUXILIARY CIRCUIT
G763
PU
TRANSMISSION CONTROL NEUTRAL SWITCH TO GROUND
A202
BK
IMPL CTRL CLEAR SW TO GND
U768
BU
ARTICULATION ANGLE POS SNSR #2
140
BU
AUXILIARY CIRCUIT
G766
GN
IMPLEMENT CONTROL SWITCH TO GROUND (N.O.)
141
PK
DEFROST FANS
G767
WH
IMPLEMENT CONTROL SWITCH TO GROUND (N.C.)
A295
BK
IQAN MG CTRL GND
X725
GY
STEER SIGNAL TO CTRL
142
BU
AUXILIARY CIRCUIT
G858
OR
AWD AGGRESSIVENESS CONTROL LEVER
A296
BK
IQAN XP0 CTRL GND
X731
BU
BOOST PRESS SIGNAL TO CTRL
143
BR
BLADE WORK LIGHTS
G946
OR
ADEM THROTTLE LOCK ACTIVE
CONN 24
G-3
11
C211
BK
X754
GN
LEFT STEER SOL FROM CTRL
144
GN
SEAT
G953
BU
IMPLEMENT PILOT VALVE
CONN 25
F-3
10
X755
WH
RIGHT STEER SOL FROM CTRL
146
GY
AUXILIARY CIRCUIT
G965
PU
SOLENOID RETURN (BUCKET)
CONN 26
E-3
10
152
BU
CTCT
H745
BR
HEX GOVERNOR SWITCH RETURN
CONN 27
E-3
A
155
PK
AWD CONTROL
H747
BR
FAN CONTROL SOLENOID RETURN
Right Front Drive Pump Reverse Solenoid
2319
Wire Number
Description
Component
SMART WASTE GATE VALVE Basic Machine Circuits
0041
8 VDC Sensor Power Supply
304
WH
STARTER RLY #1 OUTPUT
Y792
PK
ENGINE CAN DATA LINK +
0168
Electrical System Voltage
306
GN
STARTER RLY COIL
Y793
YL
ENGINE CAN DATA LINK -
0247
SAE J1939 Data Link
307
OR
KEY SW TO NEUT START
843
WH
LEFT PUMP FWD SOL
0248
Cat Data Link
308
YL
MAIN PWR RLY COIL
844
GN
LEFT PUMP REV SOL
165
0262
5 Volt Sensor DC Power Supply
321
BR
BACKUP ALARM LAMP
845
OR
LEFT SYNCHRONIZING SOL
169
0296
Transmission / Chassis ECM
322
GY
WARNING HORN (FWD)
846
PK
RIGHT SYNCHRONIZING SOL
170
0358
Implement Pilot Pressure Supply Solenoid
365
YL
FUEL PUMP RLY TO SW Monitoring Circuits
849
YL
RIGHT PUMP REV SOL
850
PU
892
BR
0490
Hydraulic Lockout Switch
0588
Monitoring System Display
0590
Engine Electronic Control Module
0597
Main Hydraulic Pump Discharge Pressure
C491
PU
0600
Hydraulic Oil Temperature Sensor
G434
BU
403 439
GN
ALT (R) TERM
YL
LAMP IND
893
PARK BRAKE PRESS AWD HYDRAULIC TEMP SNSR Accessory Circuits
GN
Sensor supply fault.
19
Condition not met.
20
Parameter failures.
¹The FMI is a diagnostic code that indicates what type of failure has occurred.
Event Codes Implement Control
156
YL
AUXILIARY CIRCUIT
H764
GY
REAR STEER POSITION SENSOR
160
PU
HEATED MIRROR
H765
WH
FRONT STEER POSITION SENSOR
YL
DIFFERENTIAL UNLOCK
H786
YL
ROADING SWITCH - BLADE LIMIT SWITCH 2
E0192
Steering System Malfunction
PK
CENTER SHIFT BLADE CUSHION
H787
GN
ROADING SWITCH - BLADE LIMIT SWITCH 3
E0256
Steering Output Detected in the Wrong Direction
YL
PRODUCT LINK
H803
BU
PRO DRIVER RETURN (9-12)
171
GN
IMPLEMENT CONTROL SLAVE 1
H807
YL
ON / OFF DRIVER RETURN (1-4)
E0257
Steering Output Detected with No Command.
172
GN
IMPLEMENT CONTROL SLAVE 2
H808
WH
ON / OFF DRIVER RETURN (9-15)
E0258
No Steering Detected with Command Given.
RIGHT PUMP FWD SOL
176
OR
COMMUNICATION RADIO
H861
PU
PRO DRIVER RETURN (1-4)
CAT DATA LINK (-)
179
BU
ENTERTAINMENT RADIO
H862
GY
PRO DRIVER RETURN (5-8)
E0258
No Steering Detected with Command Given. Low Main Pump Pressure
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.
CAT DATA LINK (+)
180
GN
IMPLEMENT CONTROL MASTER
H863
BU
PRO DRIVER RETURN (9-12)
E0263
199
OR
B+ STEERING VALVE
H864
GN
PROPORTIONAL DRIVER RETURN
E0455
Hydraulic Pilot Supply Oil Filter Plugged
J710
BR
CONTROL TO INDICATOR LAMP SIGNAL
E0560
Secondary Steer Pump No Response
Part No. 240-7193
A893
OR
FUEL SW TO FUEL PUMP
C829
GN
INLET AIR TEMP
F843
YL
Ground Circuits 200
BK
MAIN CHASSIS
J713
BR
FRONT LEFT SPEED SENSOR GROUND
INCHING PEDAL
210
BK
CONVERTER OUTPUT (24 / 12 VOLT)
J717
BU
FRONT LEFT SPEED SENSOR SIGNAL
E0562
Steering Lever Has Not Been Aligned to Wheel Steering Angle
229
BK
BATTERY (-)
J718
OR
FRONT RIGHT SPEED SENSOR SIGNAL
E0598
Steering Limited due to Cold Hydraulic Oil
E0599
Gear Too High for Steering with Cold Oil
0615
Machine Articulation Angle Position Sensor
0967
Machine Application
519
PK
THERMOSTAT TO REFRIG PRESS SW
F846
PU
LED DRIVER 1
1326
Location Code
520
WH
OPR AC SW TO THERMOSTAT / FUSE
H803
BU
PROPORTIONAL DRIVER RTN (9-12)
A201
BK
IMPLEMENT CONTROL SERVICE MODE SWITCH TO GROUND
J719
PU
FRONT RIGHT SPEED SENSOR GROUND
1471
Steering Control Position Sensor 1
521
YL
AC SW TO REFRIG SW
H807
YL
ON / OFF DRIVER RTN (1-4)
A202
BK
IMPLEMENT CONTROL CLEAR SWITCH TO GROUND
J766
PU
SWITCH / SENSOR RETURN #3
1472
Steering Control Position Sensor 2
522
WH
AC CLUTCH TO THERMOSTAT SW
H861
PU
PRO DRIVER RTN (1-4)
A210
BK
LINKAGE CONTROL HARNESS CODE 0
J767
GY
SWITCH / SENSOR RETURN #4
E0795
A250
BK
BATTERY (-)
J769
YL
RIGHT SIDE AUTO / MANUAL SWITCH
E0796
Machine Articulation Angle Limited Due to Machine Speed
Machine Speed Excessive for Machine Articulation Angle
Component Description Resistor: Sender
Fuel Level
152-8346
Solenoid:
Center Shift Pin Puller
243-5015
Solenoid:
AWD Clutch Forward / Reverse - Left / Right
3.5 ± 1.8
254-3414
Solenoid:
Secondary Steer Left / Right
2.2 ± 0.2
WH
DIFFERENTIAL LOCK
H862
GY
PRO DRIVER RTN (5-8)
1482
10 Volt Sensor DC Power Supply
A274
BK
POWER (NEG)
J771
BU
567
WH
AC SW JUMPER
H863
BU
PRO DRIVER RTN (9-12)
A295
BK
IQAN MG CONTROL GROUND
J844
GY
+5 VOLT ANALOG
E0861
Clock Manual Alignment Required
1558
Electrical Implement Control 2
570
BU
BLADE CUSHION SOL
H864
GN
PRO DRIVER RTN (13-16)
A296
BK
IQAN XP0 CONTROL GROUND
K722
YL
CONVEYOR SPEED INCREASE
E0878
High Hydraulic Oil Temperature
Auxiliary Valve 1 - 6
2113
Operator Present Switch
581
GY
LEFT REAR TURN / HAZARD
J844
GY
+5V ANALOG
A297
BK
IQAN XP1 CONTROL GROUND
K723
PU
CONVEYOR SPEED DECREASE
E2085
Invalid Articulation Response Detected
Electronic Implement Control 3
582
PK
RIGHT REAR TURN / HAZARD
N805
BU
AUXILIARY-2 DISPLACEMENT SNSR
Basic Machine Circuits
K749
WH
BLADE X AXIS
Blade Pitch Forward / Backward
2143
307
OR
KEY SWITCH TO NEUTRAL START
K750
PU
BLADE Y AXIS
E554
PK
N806
BR
AUXILIARY-2 DISPLACEMENT SNSR
308
YL
MAIN POWER RELAY COIL
K758
BU
ARTICULATION PWM OUT
Blade Side Shift Left / Right
278-1799
2147
Automatic Neutral Articulation Switch
N814
BU
AWD LEFT CLUTCH FWD
320
OR
HORN RELAY COIL TO SWITCH
K788
GY
BLADE ANGLE RIGHT
Circle Left / Right
2150
Blade Left Lift Lever Position Sensor
604
OR
STOP LAMP
N820
GY
AWD LEFT CLUTCH REV
322
GY
WARNING HORN (FORWARD)
K789
YL
BLADE ANGLE LEFT
Circle Side Shift Left / Right
2151
Blade Right Lift Lever Position Sensor
605
YL
TURN LAMP LEFT
R800
OR
+8V DIGITAL SNSR PWR
K831
GY
LH DOWN FORCE ENABLE SOLENOID
2152
Wheel Lean Control Position Sensor
606
GY
TURN LAMP RIGHT
R818
YL
XMSN OIL TEMP SNSR
K832
OR
RH DOWN FORCE ENABLE SOLENOID
2153
Blade Pitch Control Position Sensor
609
YL
FLOOD LAMP SIDE
T800
OR
+8V DIGITAL SNSR PWR
439
YL
LAMP INDICATOR
K900
YL
J1939 DATA LINK +
G434
BU
AWD HYDRAULIC TEMPERATURE SENSOR
K927
BU
SOLENOID RETURN 1
H414
YL
WARNING SWITCH TO ALARM Accessory Circuits
K952
BR
SOLENOID RETURN 3
K990
GN
J1939 DATA LINK ANALOG SENSOR RETURN
2154
Blade Side Shift Lever Position Sensor
611
PU
HEAD LAMP HIGH
X800
OR
+8V SNSR PWR
2155
Circle Drive Lever Position Sensor
617
BR
TAIL / POS LAMP LEFT
900
PU
XMSN SHIFT SOL #5 OR 4
2156
Circle Side Shift Control Position Sensor
618
YL
TAIL / POS LAMP RIGHT
901
WH
XMSN SHIFT SOL #6
2160
Blade Left Raise Solenoid Valve
619
GN
HEAD LAMP LOW
902
BR
XMSN SHIFT SOL #7
2161
Blade Right Raise Solenoid Valve
683
PU
FLOOD LAMP REAR (ATCH)
903
GY
XMSN SHIFT SOL #8
2162
Blade Left Lower Solenoid Valve
685
BR
MOLD BOARD FLOOD LAMP
921
WH
XMSN SOL NO 1 OR 3 RTN
2163
Blade Right Lower Solenoid Valve
922
BR
2165
Blade Side Shift Left Solenoid Valve
751
GN
XMSN SHIFT SOL #1 OR 3
925
2166
Blade Side Shift Right Solenoid Valve
752
YL
XMSN SHIFT SOL #2
2167
Circle Left Solenoid Valve
754
BU
2168
Circle Right Solenoid Valve
755
2169
Circle Side Shift Left Solenoid Valve
2170
Circle Side Shift Right Solenoid Valve
2171
Articulation Left Solenoid Valve
A755
2172
Articulation Right Solenoid Valve
A756
BU
THROTTLE SW #2
998
BR
DIGITAL SNSR RTN
2173
Wheel Lean Left Solenoid Valve
A757
GY
THROTTLE SW #3
A975
BU
DIFF LOCK SOL
2174
Wheel Lean Right Solenoid Valve
A758
BR
THROTTLE SW #4
C967
BU
INLET AIR TEMP
2181
Blade Pitch Forward Solenoid Valve
E789
PU
MACHINE CNTL SOL RTN #1
C978
BR
2182
Blade Pitch Backward Solenoid Valve
E790
PK
MACHINE CNTL SOL RTN #2
C979
2200
Left Steering Cylinder Position Sensor
E797
WH
PWM #3 RTN
2201
Right Steering Cylinder Position Sensor
F702
GN
THROTTLE
2202
Steering Valve Control Module
F713
OR
2203
Steering Valve Control Module Spool Position Sensor
F715
PU
2204
Auxiliary Lever 1 Position Sensor
F719
BR
2205
Auxiliary Lever 2 Position Sensor
ALTERNATOR (R) TERMINAL
500
BR
WIPER - FRONT (PARK)
L731
BR
501
GN
WIPER - FRONT (LOW)
L854
YL
CTCT BLADE CONTROL - CAN 0 (+)
502
OR
WIPER - FRONT (HIGH)
L855
GN
CTCT BLADE CONTROL - CAN 0 (-)
503
BR
WIPER - REAR (PARK)
L914
BU
DIFFERENTIAL LOCK SWITCH TO CONTROL
504
YL
WIPER - REAR (LOW)
L948
OR
CPPI SLOPE CONTROL
XMSN SOL NO 2 RTN
505
BU
WIPER - REAR (HIGH)
L949
GN
CPPI SLOPE CONTROL
YL
XMSN SOL NO 5 OR 4 RTN
506
PU
WASHER - FRONT
M719
GN
SIDE SHIFT LEFT SWITCH
944
OR
DATA LINK +
507
WH
WASHER - REAR
M720
BU
SIDE SHIFT LEFT RELAY
XMSN SHIFT SOL #3 OR 1
945
BR
DATA LINK -
508
PU
RADIO SPEAKER - LEFT
M722
OR
SIDE SHIFT RIGHT RELAY
509
WH
RADIO SPEAKER - LEFT (COMMON)
M792
BU
CHARGE FILTER BYPASS SWITCH
OR
XMSN SHIFT SOL #4 OR 5
994
GY
OIL PRESS (FILTERED)
511
BR
RADIO SPEAKER - RIGHT
M901
YL
AUXILIARY LAMP DRIVER 1
799
WH
SNSR PWR
995
BU
COOLANT TEMP
512
GN
RADIO SPEAKER - RIGHT (COMMON)
M902
OR
AUXILIARY LAMP DRIVER 2
A753
PU
EUI SPARE ON/OFF .3 AMP
996
GN
ENGINE SPD/TIMING SNSR PWR
515
GY
BLOWER MOTOR (HIGH)
M906
BU
AUXILIARY CIRCUIT 1 (PWM IN)
PK
THROTTLE SW #1
997
OR
ANALOG SNSR PWR (+ 5V)
516
GN
BLOWER MOTOR (MEDIUM)
M998
OR
TRANSMISSION AUTO SHIFT MODE
517
BU
BLOWER MOTOR (LOW)
N787
BU
HYDRAULIC TANK FILTER BYPASS SWITCH
518
OR
HAZARD FLASHER TO SWITCH
N788
PK
STEER TANK FILTER BYPASS SWITCH
519
PK
THERMOSTAT TO REF PRESSURE SWITCH
N805
BU
AUXILIARY-2 HEAD DISPLACEMENT SENSOR
520
WH
OPERATOR A/C SWITCH TO THERMOSTAT / FUSE
N806
BR
AUXILIARY-2 ROD DISPLACEMENT SENSOR
SET THROTTLE SW
523
BR
WIPER - LEFT (PARK)
N814
BU
AUXILIARY SOLENOID (HEAD PUMP TO CYLINDER)
OR
RESUME THROTTLE SW
524
BU
WIPER - LEFT (LOW)
N820
GY
AUXILIARY SOLENOID (ROD CYLINDER TO TANK)
E900
WH
ECPC XMSN OUTPUT SPD +
525
GY
WIPER - LEFT (HIGH)
N931
GY
HYDRAULIC PUMP PRESSURE
526
YL
WIPER - RIGHT (PARK)
N935
OR
BLADE RACK BACK SWITCH (N.O.)
E901
GN
ECPC XMSN OUTPUT SPD -
527
GN
WIPER - RIGHT (LOW)
N936
YL
BLADE RACK BACK SWITCH (N.C.)
LEFT TURBO INLET PRESS
E902
PU
XMSN INTERMEDIATE SPD +
528
PK
WIPER - RIGHT (HIGH)
N957
PK
RXD - COMM #1
SHUTDOWN
E903
YL
XMSN INTERMEDIATE SPD -
529
WH
WASHER - LEFT
N960
OR
TXD - COMM #1
GND LVL SHUTDOWN (N.C.)
E904
BR
XMSN INTERMEDIATE SPD Q+
530
OR
WASHER - RIGHT
N970
YL
DTR - COMM #1
538
BR
HAZARD INDICATOR
N973
BR
DCD - COMM #1
539
BU
TURN SIGNAL INDICATOR
N979
GN
SIGNAL GROUND - COMM #1
Control Circuits
F762
GY
START AID SOL DRIVE FROM ECM
E905
BU
XMSN INTERMEDIATE SPD
2206
Auxiliary Lever 3 Position Sensor
F775
BU
CENTERSHIFT SOL
OR E
OR
XMSN OUTPUT SPD Q+
2207
Auxiliary Lever 4 Position Sensor
540
WH
TURN SIGNAL INDICATOR LEFT
P967
PU
DIGITAL RETURN (HEDC)
F781
BR
DOWNSHIFT SW (N.O.)
E907
GY
ECPC XMSN OUTPUT SPD
556
WH
DIFFERENTIAL LOCK
R732
BR
HYDRAULIC OIL TEMPERATURE SENSOR
2208
Auxiliary Lever 5 Position Sensor
F783
GN
UPSHIFT SW (N.C.)
BR E
BR
EPCP XMSN INPUT SPD +
567
WH
A/C SWITCH JUMPER
R800
OR
+8V DIGITAL SENSOR POWER
2209
Auxiliary Lever 6 Position Sensor
F784
YL
DOWNSHIFT SW (N.C.)
E909
WH
ECPC XMSN INPUT SPD -
570
BU
BLADE CUSHION SOLENOID
R900
BU
LEFT BLADE RAISE SOLENOID
2210
Auxiliary Lever 7 Position Sensor
F785
WH
UPSHIFT SW (N.O.)
E929
GY
ARTICULATION ANGLE SNSR
581
GY
LEFT REAR TURN / HAZARD
R901
GY
LEFT BLADE LOWER SOLENOID
2211
Auxiliary Valve 1 - Port B Solenoid
F787
GN
SERV BRAKE SW (N.O.)
E965
BU
ENGINE SPD/TIMING
RIGHT BLADE RAISE SOLENOID
2212
Auxiliary Valve 1 - Port A Solenoid
G730
PK
EPTC II - PARK BRAKE SOL
GN I
GN
INCHING INPUT SW
2213
Auxiliary Valve 2 - Port B Solenoid
G750
BU
XMSN CTRL FWD SW TO GND
F916
GN
2214
Auxiliary Valve 2- Port A Solenoid
G755
GY
XMSN CTRL REV SW TO GND
G946
OR
2215
Auxiliary Valve 3 - Port B Solenoid
G763
PU
XMSN CTRL NEUT SW TO GND
G953
BU
IMPL PILOT VALVE
2216
Auxiliary Valve 3 - Port A Solenoid
H747
BR
FAN CTRL SOL RTN
G965
PU
SOL RTN (BUCKET)
2217
Auxiliary Valve 4 - Port B Solenoid
A524
BR
H764
GY
REAR STEER POS SNSR
K900
YL
J1939 DATA LINK +
A557
WH
2218
Auxiliary Valve 4 - Port A Solenoid
H765
WH
FRONT STEER POS SNSR
K927
BU
SOL RTN 1
A572
PK
2219
Auxiliary Valve 5 - Port B Solenoid
J713
BR
FRONT LEFT SPD SNSR GND
K952
BR
SOL RTN 3
C532
2220
Auxiliary Valve 5 - Port A Solenoid
J717
BU
FRONT LEFT SPD SNSR SIGNAL
K990
GN
J1939 DATA LINK -
C542
2221
Auxiliary Valve 6 - Port B Solenoid
J718
OR
FRONT RIGHT SPD SNSR SIGNAL
M906
BU
AUXILIARY CIRCUIT 1 (PWM IN)
2222
Auxiliary Valve 6 - Port A Solenoid
J719
PU
FRONT RIGHT SPD SNSR GND
M998
OR
XMSN AUTOSHIFT MODE
2223
Auxiliary Valve 7 - Port B Solenoid
J765
BU
SW / SNSR RTN #2
N931
GY
2224
Auxiliary Valve 7 - Port A Solenoid
J766
PU
SW / SNSR RTN #3
P920
2252
Machine Articulation Angle Sensor 2
J767
GY
SW / SNSR RTN #4
P967
2650
Steering Valve Control Module Power Supply
582
PK
RIGHT REAR TURN / HAZARD
R902
GN
592
BU
DC / DC CONVERTER POWER OUTPUT
R903
OR
RIGHT BLADE LOWER SOLENOID
593
GN
CONDENSER FAN RELAY TO MOTORS
R908
YL
DIFFERENTIAL LOCK SWITCH
AMT / MCM BACKUP ALARM RLY
A504
GN
REAR DEFROSTER FAN (LOW)
T800
OR
+8V DIGITAL SENSOR POWER
ADEM THROTTLE LOCK ACTIVE
A507
YL
REAR DEFROSTER FAN (HIGH)
T901
YL
MSS EXCITER COIL IN
A513
PK
DC / DC CONVERTER MEMORY OUTPUT
T902
PK
MSS EXCITER COIL OUT
A514
YL
SWITCH TO RELAY COIL
T971
OR
AUXILIARY CIRCUIT 3
TEMPERATURE POTENTIOMETER POS 2
T972
GN
AUXILIARY CIRCUIT 4
PRECLEANER BLOWER +B
T998
BR
DIGITAL SENSOR RETURN
+12V POWER
U700
WH
CIRCLE TURN RIGHT SOLENOID
GN
AUTO LUBE PRESSURE
U701
GN
CIRCLE TURN LEFT SOLENOID
GN
HEATED MIRROR POWER
U702
GY
AUXILIARY VALVE 1 SOLENOID # 2
C546
WH
BLOWER MEDIUM - LOW RELAY
U703
YL
AUXILIARY VALVE 1 SOLENOID # 1
C547
OR
BLOWER MOTOR (MEDIUM - LOW)
U704
PK
AUXILIARY VALVE 2 SOLENOID # 1
C558
BU
FRONT WIPER SWITCH JUMPER
U705
PU
AUXILIARY VALVE 2 SOLENOID # 2
HYDRAULIC PUMP PRESS
C568
WH
BLOWER MOTOR (MAX)
U706
BR
AUXILIARY 1 SIGNAL
BR
SECONDARY ENGINE SPD/TIMING -
E529
YL
BU
AUXILIARY 2 SIGNAL
DIGITAL RTN (HEDC)
BLOWER SWITCH JUMPER Lighting Circuits
U707
PU
U708
OR
AUXILIARY 3 SIGNAL
ROTARY BEACON
U709
WH
AUXILIARY 4 SIGNAL
603
PK
K748
OR
SUPPLEMENTAL STEER MOTOR RLY
R900
BU
LEFT BLADE RAISE SOL
¹ The CID is a diagnostic code that indicates which circuit is faulty.
604
OR
STOP LAMP
U710
GN
AUXILIARY 5 SIGNAL
K788
GY
BLADE ANGLE RIGHT
R901
GY
LEFT BLADE LOWER SOL
605
YL
TURN LAMP - LEFT
U711
GY
AUXILIARY 6 SIGNAL
² The MID is a diagnostic code that indicates which electronic control module diagnosed the fault.
K789
YL
BLADE ANGLE LEFT
R902
GN
RIGHT BLADE RAISE SOL
606
GY
TURN LAMP - RIGHT
U712
YL
AUXILIARY 7 SIGNAL
L730
OR
ANALOG SNSR PWR (+5V)
R903
OR
RIGHT BLADE LOWER SOL
607
PK
FLOOD LAMP - FRONT
U713
PK
AUXILIARY VALVE 3 SOLENOID 1
609
YL
FLOOD LAMP - SIDE
U714
PU
AUXILIARY VALVE 3 SOLENOID 2
610
OR
HEAD LAMP (BASIC)
U715
BR
AUXILIARY VALVE 4 SOLENOID 1
611
PU
HEAD LAMP (HIGH)
U716
BU
AUXILIARY VALVE 4 SOLENOID 2
L731
BR
ANALOG SNSR RTN
R908
YL
DIFF LOCK SW
M720
BU
SIDESHIFT LEFT RLY
R941
GY
START AID CTRL SOL 1 & 2 RTN
M722
OR
SIDESHIFT RIGHT RLY
R993
BR
ANALOG SNSR RTN
614
PU
PARK / TAIL / DASH / LAMP
U717
OR
AUXILIARY VALVE 5 SOLENOID 1
M792
BU
CHARGE FILTER BYPASS SW
R997
OR
+5V ANALOG SNSR PWR
617
BR
TAIL / POSITION LAMP - LEFT
U718
WH
AUXILIARY VALVE 5 SOLENOID 2
M795
WH
SMART WASTE GATE VALVE +
T969
YL
AUXILIARY CIRCUIT 1
618
YL
TAIL / POSITION LAMP - RIGHT
U719
GN
AUXILIARY VALVE 6 SOLENOID 1
N787
BU
HYDRAULIC TANK FILTER BYPASS SW
T993
BR
ANALOG SNSR RTN
619
GN
HEAD LAMP (LOW)
U720
GY
AUXILIARY VALVE 6 SOLENOID 2
626
BU
DASH LAMP DIMMER
U723
PU
FUEL LEVEL SIGNAL
645
PK
HEADLAMP RELAY
U725
GN
AUTO SHIFT SWITCH (NC)
N788
PK
STEER TANK FILTER BYPASS SW
T997
OR
+5V ANALOG SNSR PWR
R732
BR
HYDRAULIC OIL TEMP SNSR
T998
BR
DIGITAL SNSR RTN
646
OR
LIGHT SWITCH TO FRONT FLOOD RELAY
U726
GY
AUTO SHIFT SWITCH (NO)
R736
PK
SCRAPER PARK BRAKE PRESS SW
X920
BR
INJ 1 HIGH SIDE
647
GN
LIGHT SWITCH TO REAR FLOOD RELAY
U727
WH
INCHING PEDAL SWITCH (NC)
U700
WH
CIRCLE TURN RIGHT SOL
X921
PK
INJ 2 HIGH SIDE
660
PU
INDICATOR LAMP - AUTO SHIFT 1ST GEAR
U734
GN
PARK BRAKE OPERATOR SWITCH (N.O.)
U701
GN
CIRCLE TURN LEFT SOL
X922
WH
INJ 3 HIGH SIDE
668
BU
HEADLAMP SWITCH / TAIL LAMP RELAY
U735
GY
PARK BRAKE OPERATOR SWITCH (N.C.)
680
GN
FLOOD LAMP - FRONT (ATCH)
U736
YL
STEER SPOOL SHIFT RIGHT
683
PU
FLOOD LAMP - REAR (ATCH)
U739
BR
STEER LEVER SIGNAL 1
684
OR
CAB FLOOD LAMP
U740
BU
STEER LEVER SIGNAL 2
U702
GY
AUXILIARY VALVE 1 SOL # 2
X923
OR
INJ 4 HIGH SIDE
U703
YL
AUXILIARY VALVE 1 SOL # 1
X924
BR
INJ 5 HIGH SIDE
U704
PK
AUXILIARY VALVE 2 SOL # 1
X925
PK
INJ 6 HIGH SIDE
685
BR
MOLD BOARD FLOOD LAMP
U741
OR
STEER LEVER SIGNAL 3
U705
PU
AUXILIARY VALVE 2 SOL # 2
X926
GY
INJ 1 RTN
695
OR
LEFT TURN LAMP RELAY COIL
U742
WH
STEER VALVE ERROR
U713
PK
AUXILIARY VALVE 3 SOL # 1
X927
YL
INJ 2 RTN
696
GN
RIGHT TURN LAMP RELAY COIL
U743
GY
WHEEL LEAN SIGNAL
A608
GY
LIGHT SWITCH TO HIGH BEAM RELAY
U744
OR
AUTO NEUTRAL ART SWITCH (NO)
U745
PK
AUTO NEUTRAL ART SWITCH (NC)
U714
PU
AUXILIARY VALVE 3 SOL # 2
X928
GN
INJ 3 RTN
U715
BR
AUXILIARY VALVE 4 SOL # 1
U716
BU
AUXILIARY VALVE 4 SOL # 2
X929
BU
INJ 4 RTN
709
OR
SENSOR POWER SUPPLY
U747
OR
WHEEL LEAN SOLENOID - LEFT
X930
GY
INJ 5 RTN
718
BU
AWD NORMAL MODE
U748
GY
WHEEL LEAN SOLENOID - RIGHT
U717
OR
AUXILIARY VALVE 5 SOL # 1
X931
YL
INJ 6 RTN
727
GN
SUPPLEMENTAL STEER MOTOR RELAY
U749
BR
BLADE SIDE SHIFT SOLENOID - RIGHT
U718
WH
AUXILIARY VALVE 5 SOL # 2
Y946
BU
FUEL RAIL PRESS SIGNAL
799
WH
SENSOR POWER
U750
PK
BLADE SIDE SHIFT SOLENOID - LEFT
801
PK
AUTO LUBE SOLENOID OR MOTOR
U751
WH
BLADE PITCH SOLENOID - FORWARD
823
GN
AWD OFF MODE
U752
PU
BLADE PITCH SOLENOID - REVERSE
843
WH
HYDRST LEFT PUMP FORWARD SOLENOID
U753
BR
SECONDARY STEERING REQUEST SIGNAL
Control Circuits
U719
GN
AUXILIARY VALVE 6 SOL # 1
Y947
BR
ANALOG SNSR RTN
U720
GY
AUXILIARY VALVE 6 SOL # 2
Y948
BR
ANALOG SNSR RTN
U723
PU
FUEL LVL SIGNAL
Y950
YL
FUEL PUMP SOL SIGNAL
844
GN
HYDRST LEFT PUMP REVERSE SOLENOID
U760
PK
OPTIONAL FLOAT INDICATOR 1
U724
WH
XMSN FILTER BYPASS SW
Y951
PU
FUEL PUMP SOL RTN
845
OR
HYDRST LEFT SYNCHRONIZING SOLENOID
U761
PU
OPTIONAL FLOAT INDICATOR 4
846
PK
HYDRST RIGHT SYNCHRONIZING SOLENOID
U762
BR
OPTIONAL FLOAT INDICATOR 6
849
YL
HYDRST RIGHT PUMP REVERSE SOLENOID
U763
BU
CIRCLE DRIVE CONTROL SIGNAL
850
PU
HYDRST RIGHT PUMP FORWARD SOLENOID
U764
GY
BLADE PITCH CONTROL SIGNAL
892
BR
CAT DATA LINK (-)
U765
WH
CIRCLE SIDE SHIFT CONTROL SIGNAL
893
GN
CAT DATA LINK (+)
U766
BR
OPERATOR SEAT SWITCH (N.O.)
925
YL
TRANSMISSION SOLENOID NO 4 OR 5 RETURN
U767
BU
OPERATOR SEAT SWITCH (N.C.)
997
OR
ANALOG SENSOR POWER (+ 5V)
U768
BU
ART ANG POS SENSE #2
998
BR
DIGITAL SENSOR RETURN
U769
OR
AUXILIARY VALVE 7 SOLENOID #1
A753
PU
EUI SPARE ON / OFF .3 AMP DRIVER
U770
WH
AUXILIARY VALVE 7 SOLENOID #2
A755
PK
THROTTLE SWITCH #1
X725
GY
STEERING SIGNAL TO CONTROLLER
A756
BU
THROTTLE SWITCH #2
X754
GN
LEFT STEERING SOLENOID FROM CONTROL
A757
GY
THROTTLE SWITCH #3
X755
WH
RIGHT STEERING SOLENOID FROM CONTROL
A758
BR
THROTTLE SWITCH #4
X800
OR
+8V SENSOR POWER
Component Location VOL 1
YL
INCREMENT / DECREMENT SWITCH (N.O.) (ACCUGRADE)
WH
INCREMENT / DECREMENT SWITCH (N.C.) (ACCUGRADE)
A975
BU
DIFFERENTIAL LOCK SOLENOID
Y935
OR
INCREMENT / DECREMENT NEUTRAL
BR
SET THROTTLE SWITCH
Y936
PK
INCREMENT / DECREMENT NEUTRAL
C979
OR
RESUME THROTTLE SWITCH
Y937
PU
AUTO / MANUAL / NEUTRAL
Solenoid - Auxiliary Valve 4 B ATCH
C-1
17
C981
GN
EXHAUST BRAKE
Y938
YL
AUTO / MANUAL / NEUTRAL
Solenoid - Auxiliary Valve 5 A ATCH
D-1
28
E716
GY
RETARDER LOW / HIGH
C-12
12
Coil - MSS Exciter ATCH
E-11
A
Controller - AWD
F-13
E
Solenoid - Auxiliary Valve 5 B ATCH
D-1
28
J-9
13
Solenoid - Auxiliary Valve 6 A ATCH
C-1
17
Component
Controller- Implement #3
K-13
E
Solenoid - Auxiliary Valve 6 B ATCH
C-1
17
Horn - Forward (High)
H-3
10
Solenoid - AWD Clutch Forward L ATCH
E-5
23
Horn - Forward (Low)
I-3
14
Solenoid - AWD Clutch Forward R ATCH
E-5
23
Key Reader - MSS ATCH
F-11
A
Solenoid - AWD Clutch Reverse L ATCH
E-5
23
LED - AWD Engaged Indicator
B-14
F
Solenoid - AWD Clutch Reverse R ATCH
E-5
23
LED - AWD System Indicator
B-14
F
Solenoid - Blade Cushion L ATCH
H-2
29
LED - MSS Status ATCH
E-11
A
Solenoid - Blade Cushion R ATCH
H-2
29
Mirror - Heated L ATCH
I-9
15
Solenoid - Blade Lower L
H-4
17
Mirror - Heated R ATCH
G-9
16
Solenoid - Blade Lower R
H-4
17
Module - Steering Control Valve
I-2
17
Solenoid - Blade Pitch Backward
I-4
28
C-10
18
Solenoid - Blade Pitch Forward
H -4
28
Motor - Air Cleaner
Y933 Y934
C978
Camera - Rear Vision
Monitor - Rear Vision
LEFT FLOW GATE DOWN SOLENOID RIGHT FLOW GATE DOWN SOLENOID
Machine Location
Machine Location
Controller - Product Link ATCH
YL OR
Schematic Location
Schematic Location
Component
A847 A849
F-9
19
Solenoid - Blade Raise L
H-4
17
Motor - Side Wiper L
B-10
20
Solenoid - Blade Raise R
H-4
17
Motor - Side Wiper R
B-10
21
Solenoid - Blade Side Shift L
I -4
28
Radio - Product Link ATCH
K-10
13
Solenoid - Blade Side Shift R
I-4
28
Resistor - Steer Valve Pull-up
H-2
17
Solenoid - Center Shift Pin Puller
J-4
30
Sender - Fuel Level ATCH
I-1
22
Solenoid - Circle L
J-4
28
Sensor - AWD Control Dial
28
C-14
F
Solenoid - Circle R
J-4
Sensor - AWD Pressure L ATCH
F-5
23
Solenoid - Circle Side Shift L
I-4
28
Sensor - AWD Pressure R ATCH
F-5
23
Solenoid - Circle Side Shift R
I -4
28
Sensor - Front Drive Motor L ATCH
D-4
24
Solenoid - Front Drive Motor L ATCH
E-5
31
Sensor - Front Drive Motor R ATCH
D-4
25
Solenoid - Front Drive Motor R ATCH
E-5
32
Wheel Lean Left / Right
Volume 1 of 3: Cab / Engine and Chassis © 2013 Caterpillar, All Rights Reserved
Symbols
T
Pressure Symbol
Title
RENR9084 RENR9013
Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine. Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. 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.
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.
15 20
4
19
19 13 4
5
2
3
18 15 16 F
Solenoid - Articulate R
G-4
17
Solenoid - Wheel Lean R
I-4
28
D-8
F
E-8
F
Solenoid - Auxiliary Valve 3 A ATCH
D-1
28
Switch - Flood Lamps
E-8
F
Solenoid - Auxiliary Valve 3 B ATCH
D-1
28
Switch - Pin Pulled Indicator
K-4
30
Solenoid - Auxiliary Valve 4 A ATCH
D-1
17
Switch - Snow Wing Flood
D -8
F
17
A
12
21
Switch - Dimmer
L-C12 3E-5179
1
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 Receptacle
Receptacle Pin or Socket Number
1 2
Deutsch connector: Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins.
1 2
Sure-Seal connector: Typical representation of a Sure-Seal connector. The plug and receptacle contain both pins and sockets.
5A Fuse (5 Amps)
9X-1123
Component Part Number
325-AG135 PK-14
28
Switch - Cab Flood Lamp
L-C12 3E-5179
AG-C4 111-7898
Plug
J-4
17
Harness Identification Letter(s): (A, B, C, ..., AA, AB, AC, ...)
2
Solenoid - Wheel Lean L
17
25
Part Number: for Connector Plug
17
G-4
10
32
G-4
G-4
11
16
Solenoid - Articulate L
Solenoid - Auxiliary Valve 2 B
Wire, Cable, or Harness Assembly Identification: Includes Harness Identification Letters and Harness Connector Serialization Codes (see sample).
27
F
21
5
20
Solenoid - Auxiliary Valve 2 A
Harness and Wire Symbols
23
28 14
28
F
30
2
3
28
F
17
E
G-4
D-8
1
7
G-4
B-14
6
18 A
Magnetic Latch Solenoid: A magnetic latch solenoid is an electrical component that is activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch) that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches.
24
26
8
22
13
12
Solenoid - Secondary Steering L
Switch - Beacon
29
9
Solenoid - Secondary Steering R
Switch - AWD
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.
31
26
28
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
27
28
Circuit Breaker Symbol
Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be disconnected from the component.
G-2
J-4
Flow Symbol
Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it.
G-2
J-4
Level Symbol
Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it.
Form Number
Implement Control #3:
Temperature Symbol
Symbols and Definitions
Related Electrical Service Manuals AWD Control:
Printed in U.S.A.
Harness And Wire Electrical Schematic Symbols
Sensor - Steer Cylinder Position L
Solenoid - Auxiliary Valve 1 B
8.7 ± 0.4
¹ At room temperature unless otherwise noted.
Sensor - Steer Cylinder Position R
Solenoid - Auxiliary Valve 1 A
32.6 ± 1.6
Blade Raise / Lower - Left / Right
Solenoid:
Articulation Lever Position Sensor
GN
Full Stop 25-29
Articulate Left / Right
2146
403
500 ± 25 Empty Stop 239-255
259-8455
556
Monitoring Circuits
120M: B9C1-457 B9N1-260 B9W1-183 D9W1-123
Resistance (Ohms)¹
Steer Valve Pull-Up
Steering Control Position Sensor 3
AC CTRL TO AC COMPRESSOR CLUTCH Lighting Circuits
12M: B9F1-616 B9R1-149
Resistor, Sender and Solenoid Specifications
1473
LEFT SIDE AUTO / MANUAL SWITCH
12M and 120M Motor Grader Electrical System
8 1
28
29
22
14
E
7
6 30
23
9 11
10 24
Machine locations are repeated for components located close together.
27
A = Located below or inside dash.
25
26 31 32
E = Located inside rear covered compartment. F = Located on right hand cab column.
Machine Harness Connector And Component Locations
Harness identification code: This example indicates wire group 325, wire 135 in harness "AG".
Wire Gauge Wire Color
(Dimensions: 48 inches x 35 inches)
0168
Component 8 Volt DC Supply
Wire Color
36 Page,
CID 0041
Wire Number
RENR9014-08 December 2017
Connector Locations VOL 1
RENR9014-08 VOL 1 of 3
Component Identifiers (CID¹) Module Identifier (MID²) AWD Control (MID No. 075)
Wire Description - Cab
Wire Description - Engine & Chassis