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INTERACTIVE SCHEMATIC
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Information
Schematic
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Component Table
Tap Table
Fluid Power Symbols
Electrical Symbols
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Rear Frame
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Features
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Bookmarks X
EC-C3
EC-C2 E-C60
EC-C1
E-C61
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1998 Caterpillar, All Rights Reserved Printed in U.S.A
SENR1480-0May 199
793C Off-Highway Truck
Electrical System4AR218-UP
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Page 1 of 3
COMPONENT LOCATION
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
Alarm - Backup (Rear) C-14 1 Sensor - Strut Right (Rear) B-15 29
Alarm - VIMS Action H-5 2 Sensor - TIC Temp C-6 30
Alternator C-7 3 Sensor - Throttle Position D-4 A
Arc Suppressor C-7 4 Sensor - Transmission Oil Temp A-15 31
Arc Suppressor D-15 5 Sensor - Turbo Exhaust Temp (Left) C-4 18
Batteries 1, 2 D-3 6 Sensor - Turbo Exhaust Temp (Right) C-4 18
Breaker - A/C (15A) H-9 D Sensor - Turbo Pressure (Left) C-5 18
Breaker - Accessory Lamp (15A) H-9 D Sensor - Turbo Pressure (Right) C-5 18
Breaker - Air Dryer (10A) H-8 D Sensor - Wheel Speed (Left) A-15 32
Breaker - Alternator (105) H-8 D Sensor - Wheel Speed (Right) A-15 33
Breaker - Arc (10A) H-8 D Sensor-XMSN In Speed C-6 30
Breaker - Backup Alarm (10A) H-9 D Sensor - XMSN Speed B-12 34
Breaker - Brake Retract (20A) H-9 D Service Hour Meter G-6 C
Breaker - Converter (20A)H-9 D
Shutdown - Ground LevelF-1 13
Breaker - Engine ECM (15A) H-8 D Solenoid - A/C Compressor Clutch C-7 4
Breaker - Engine Shutdown (10A) H-9 D Solenoid - AETA 4 Way C-11 14
Breaker - Flood Lamp (15A) H-9 D Solenoid - AETA Proportional C-11 14
Breaker - Gauges (10A) H-8 D Solenoid - Air Start A-9 35
Breaker - Head Lamp (15A) H-9 D Solenoid - Auto Lube E-12 E
Breaker - Hoist Control (10A) H-8 D Solenoid - Body Float D-13 36
Breaker - Key Switch (10A) H-9 D Solenoid - Body Lower D-12 36
Breaker - Oil Cooler H-7 D Solenoid - Body Raise D-13 36
Breaker - Radio/Lighter (15A) H-8 D Solenoid - Cont Oil Burn Injector C-7 18
Breaker - Shuttles (10A) H-9 D Solenoid - Cylinder Head (1, 3, 5, 7, 9, 11) C-2 7
Breaker - Start Aid (20A) H-9 D Solenoid - Cylinder Head (2, 4, 6, 8, 10, 12) A-2 7
Breaker - Stop/Turn/Dome (15A) H-9 D Solenoid - Engine Fan Clutch C-3 18
Breaker - Traction Control (10A) H-8 D Solenoid - Fan Brake C-7 18
Breaker - VIMS (15A) H-7 D Solenoid - Shutter B-9 35
Breaker - VIMS Modules (10A) H-8 D Solenoid - Start Aid B-7 18
Breaker - XMSN Control (10A) H-8 D Solenoid - Steering Bleed A-9 38
Control - Auto Retarder G-14 E Solenoid - Wastegate Proportional C-3 18
Control - Engine ECM A-3 7 Solenoid - Wastegate Shutoff D-5 39
Control - EPTC-ll Transmission I-14 C Solenoid - XMSN Down Shift B-12 37
Control - Steering Bleed I-13 D Solenoid - XMSN Lockup B-12 37
Dryer - Air System B-11 8 Solenoid - XMSN Up Shift B-12 37
Flasher - Solid State F-4 C Speedo/Tach Cluster H-2 B
Frame Stress Monitor F-11 ESwitch - A/C High Pressure Engine Fan ClutchOverride
A-5 4
Gauge Cluster H-2 B Switch - A/C Pressure B-8 4
Ground Boss (Rear) D-12 E Switch - A/C Thermostat E-6 A
Lamp - Cab Dome D-3 9 Switch - AC/Heater Blower F-7 A
Lamp - Ladder Flood D-2 10 Switch - Arc Pressure I-5 F
Lamp - Panels 1, 2 F-2 B Switch - Auto Retarder ON/OFF G-6 B
Lamp - Payload Monitor (Green) A-7 11 Switch - Backup Lamp G-6 C
Lamp - Payload Monitor (Green) I-10 12 Switch - Brake Cooling Filter A-11 40
Lamp - Payload Monitor (Red) B-7 11 Switch - Brake Cylinder Overstroke (Front Inside) D-13 41
Lamp - Payload Monitor (Red) I-10 12 Switch - Brake Cylinder Overstroke (Front Outside) D-13 41
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Page 2 of 3
COMPONENT LOCATION
Lamp - Retarder On G-2 B Switch - Brake Cylinder Overstroke (Rear Inside) D-14 42
Lamp - VIMS Action I-2 13 Switch - Brake Cylinder Overstroke (Rear Outside) D-14 42
Lighter H-6 C Switch - Brake Retract ON/OFF H-6 G
Motor - AC/Heaters 1, 2 E-5 F Switch - Differential Filter Plug (Rear) B-15 43
Motor - Brake Retract A-15 1 Switch - Differential Oil Level (Left Rear) A-15 43
Motor - Oil Cooler Fan D-15 1 Switch - Differential Oil Level (Right Rear) A-15 44
Motor - Prelubrication A-6 15 Switch - Disconnect D-3 13
Power Connection - Radio F-2 G Switch - Dome Lamp (Dash) E-2 G
Power Converter (15A) I-13 E Switch - Dome Lamp (Door) E-3 A
Relay - Alarm/Light H-10 E Switch - Engine Coolant A-5 3
Relay - Hoist Float/Engine Oil Burn E-15 E Switch - Engine Flood Lamp F-1 13
Relay - Main Power H-10 E Switch - Engine Very Low Oil Level A-6 15
Relay - Oil Cooler Fan (High) D-12 E Switch - Fog Lamp E-2 GRelay - Oil Cooler Fan (Low) D-13 E Switch - Fuel Filter Pressure A-5 15
Relay - Prelubrication Main Power A-7 E Switch - Headlamp Dimmer F-4 A
Relay - Prelubrication ON/OFF D-13 E Switch - Hoist Screen (Inside) A-14 36
Relay - Shutter/Fan ON/OFF D-13 E Switch - Hoist Screen (Outside) A-14 36
Relay - Start Aid Hold D-14 E Switch - Key Start H-6 C
Relay - Start Aid Pull In D-14 E Switch - Ladder Lamp E-2 13
Relay - Stop Lamp D-13 E Switch - Ladder Lamp G-1 G
Resistor - Blower Motor E-7 F Switch - Manual Retard Pressure I-4 F
Resistor - Differential Oil Cooler Low Speed
(Rear)D-12 E Switch - Manual Start Aid I-6 C
Resistor - Dimmer E-2 G Switch - Panel Dimmer E-2 G
Resistor - Oil Burn E-15 E Switch - Park Brake Filter A-14 45
Resistor - Start Aid 1 E-13 E Switch - Running Lamp D-2 G
Resistor - Start Aid 2 E-13 E Switch - Secondary Brake (Parking) H-15 E
Sensor - Aftercooler Coolant Level (ON/OFF) A-7 4 Switch - Service Brake (Retarder) H-15 E
Sensor - Aftercooler Temp (Front) C-6 7 Switch - Service Brake (Retarder) H-15 E
Sensor - Aftercooler Temp (Rear) C-3 16 Switch - Service Clear (ARC) F-15 E
Sensor - Ambient Air Temp H-1 17 Switch - Service Clear (EPTC-ll) I-14 C
Sensor - Atmospheric Pressure C-4 7 Switch - Service Set (ARC) F-15 E
Sensor - Body Up A-12 5 Switch - Service Set (EPTC-ll) I-14 C
Sensor - Boost Pressure C-4 18 Switch - Steering Pressure (High) B-13 46
Sensor - Brake Air Pressure D-10 E Switch - Steering Pressure (Low) A-14 47
Sensor - Brake Oil Temp (Left Rear) D-15 19 Switch - Stop Lamp Pressure E-15 E
Sensor - Brake Oil Temp (Right Rear) A-15 20 Switch - T/C Screen B-6 30
Sensor - Brake Temp (Left Front) D-13 21 Switch - TCS Test I-6 C
Sensor - Brake Temp (Right Front) D-13 21 Switch - Throttle Backup I-6 C
Sensor - Crankcase Pressure C-4 18 Switch - Torque Converter Inlet Filter A-14 45
Sensor - Differential Oil Temp B-15 22 Switch -Transmission Actual Gear A-13 34
Sensor - Differential Pump Outlet Pressure
(Rear)B-15 22 Switch - Transmission Cane Position G-7 C
Sensor - Engine Coolant Temp C-3 17 Switch - Turn/Hazard Signal F-3 A
Sensor - Engine Fan Speed C-3 17 Switch - VIMS Service Key F-1 13
Sensor - Engine Speed (EPTC-II) C-7 23 Switch - XMSN Charge Filter A-10 30
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
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Page 3 of 3
COMPONENT LOCATION
Sensor - Engine Speed Timing C-3 23 Traction Control System G-14 E
Sensor - Fuel Level C-9 24 Valve - Arc Control I-5 F
Sensor - Hoist Lever Position G-7 D Valve - Arc Supply I-5 F
Sensor - Jacket Water Coolant Level
(ON/OFF)A-7 25 VIMS Keypad Module G-2 B
Sensor - Oil Pressure Filtered C-4 18 VIMS Main Module I-12 E
Sensor - Oil Pressure Unfiltered C-4 18 VIMS Message Center G-2 B
Sensor- Steering Oil Temp B-12 26 VIMS Sensor Module A-10 48
Sensor - Strut Left (Rear) C-15 27 VIMS Sensor Module A-13 49
Sensor - Strut Pressure (Left Front) B-7 27
Sensor - Strut Pressure (Right Front) B-7 28
Machine locations are repeated for components located close together.
A = Operator CompartmentB = Operator Compartment - Front Dash
C = Operator Compartment - Console
D = Operator Compartment - Behind Seat
E = Operator Compartment - Rear Compartment
F = Operator Compartment - Front Compartment
G = Operator Compartment - Overhead Console
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
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CONNECTOR LOCATION
Connector NumberSchematic
Location
Machine
Location
CONN 1 A-15 20
CONN 2 C-15 29
CONN 3 C-15 27
CONN 4 F-15 ECONN 5 C-14 50
CONN 6 F-14 E
CONN 7 F-14 E
CONN 8 H-14 E
CONN 9 H-14 E
CONN 10 H-14 E
CONN 11 C-13 20
CONN 12 C-14 51
CONN 13 A-12 34
CONN 14 B-12 50
CONN 15 C-12 52
CONN 16 C-12 52CONN 17 D-12 53
CONN 18 H-12 E
CONN 19 D-11 54
CONN 20 D-10 55
CONN 21 G-10 E
CONN 22 G-10 E
CONN 23 B-9 20
CONN 24 I-9 D
CONN 25 I-9 D
CONN 26 I-9 E
CONN 27 A-8 56
CONN 28 B-8 57
CONN 29 B-8 58
CONN 30 B-8 58
CONN 31 B-8 57
CONN 32 D-9 59
CONN 33 C-6 60
CONN 34 D-6 61
CONN 35 F-6 F
CONN 36 E-4 E
CONN 37 E-4 E
CONN 38 G-4 B
CONN 39 G-4 B
CONN 40 F-2 62
CONN 41 G-2 62
CONN 42 I-2 64
CONN 43 I-2 64
CONN 44 E-1 65
CONN 45 H-1 66
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.
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Page 1 of 4
CID / MID / FMI
Component Identifier (CID) For VIMS
Current
CID No.Component
0041 8 Volt Sensor Power Supply
0075 Steering Oil Temperature Sensor
0091 Throttle Position Sensor 0096 Fuel Level Sensor
0098 Engine Oil Level Sensor
0100 Engine Oil Pressure Sensor
0101 Crankcase Air Pressure Sensor
0102 Boost Pressure Sensor
0110 Engine Coolant Temperature Sensor
0127 Transmission Oil Pressure Sensor
0168 Electrical System Voltage
0171 Ambient Air Temperature Sensor
0177 Transmission Oil Temperature Sensor
0190 Engine Speed Sensor
0248 CAT Data Link
0253 Personality Module (Engine Control)
0254 Electronic Control Module (ECM)0261 Engine Timing Calibration
0262 5 Volt Sensor Power Supply
0263 8 Volt (or 12 Volt) Sensor Power Supply
0267 Engine Shutdown Switch (Remote)
0268 Programmable Parameters (Engine Control)
0269 Sensor Power Supply
0271 Action Alarm
0272 Turbocharger Outlet High (Overboost) Pressure Sensor
0273 Turbocharger Outlet Pressure Sensor
0274 Atmospheric (Barometric) Pressure Sensor
0275 Right (Bank) Turbocharger Inlet Pressure Sensor
0276 Left (Bank) Turbocharger Inlet Pressure Sensor
0277 Timing Calibration Sensor
0278 AESC Enable Lamp
0279 Aftercooler Coolant Temperature Sensor (Front)
0280 Gear Box Temperature Sensor
0291 Engine Coolant Cooling Fan Solenoid
0292 Hydraulic Oil Cooling Fan Solenoid
0295 HEX Electronic Control Module
0296 Transmission Electronic Control Module
0298 Service Brake Pedal Switch
0324 Action (Warning) Lamp
0341 Hydraulic Control Valve Warm Up Solenoid #4
0350 Lift Linkage Position Sensor
0351 Tilt Linkage Position Sensor
0352 Lift Lever (Cab) Sensor
0353 Tilt Lever (Cab) Sensor
0354 Lift Raise Solenoid #1
0355 Lift Lower Solenoid #10356 Tilt Dump Solenoid #1
0357 Tilt Rackback Solenoid #1
0358 Pilot Pressure Solenoid (Supply)
0359 Lift Raise Kickout Solenoid
0360 Lift Lower Kickout Solenoid
0361 Tilt Kickout Solenoid
0363 Machine Ride Control Actuator
0364 Lift Cylinder Head Pressure Sensor
0365 Kickout Set Switch
0367 Ride Control Switch
0370 Boom Float Solenoid
0371 Horn Solenoid (Forward)
0372 Bucket/Shovel Open Solenoid
0373 Bucket/Shovel Close Solenoid
0374 Swing Brake Solenoid
0376 Travel Alarm (Solenoid/Switch)
0377 Travel Brake Solenoid
0378 Machine Autolube Solenoid
0379 Machine Autolube Pressure Sensor
0423 Front Brake Accumulator Pressure Switch0424 Rear Brake Accumulator Pressure Switch
0425 Front Brake Oil Pressure Sensor
0426 Rear Brake Oil Pressure Sensor
0427 Front Axle Oil Temperature Sensor
0428 Rear Axle Oil Temperature Sensor
0429 Steering Pump Oil Pressure Sensor
0430 Steering Pilot Pressure Sensor
0431 Steering Oil Level Switch
0432 Steering Filter By-Pass Switch
0433 Implement Filter Switch
0434 Hydraulic Pilot Oil Pressure Sensor
0436 Torque Converter Oil Pressure Sensor
0438 Hydraulic Control Valve Warm Up Solenoid #1
0439 Hydraulic Control Valve Warm Up Solenoid #2
0440 Hydraulic Control Valve Warm Up Solenoid #3
0444 Start Relay
0457 Brake Oil Temperature Sensor
0458 Tilt Cylinder Rod Pressure Sensor
0459 Impeller Clutch System Switch
0489 Implement Select Switch
0490 Implement Lockout Switch
0499 Implement Variable Hydraulic Oil Pump Solenoid
0526 Turbocharger Wastegate Valve
0533 Auto Retarder Control (ARC)
0541 Differential (Axle) Oil Pressure Sensor
0542 Engine Oil Pressure-Unfiltered Sensor
0544 Engine (Coolant Cooling) Fan Speed Sensor
0545 Ether Start Relay
0546 Ether Injection Hold Relay
0548 Throttle Lock Lamp
0558 Autolube Relay
0559 Boom Float Relay
0562 Caterpillar Monitoring System
0569 Oil Injection Solenoid
0580 Power Shift Pressure Sensor
0581 Power Shift Solenoid
0590 Engine Electronic Control Module
0592 Lift Raise Solenoid #2
0593 Lift Lower Solenoid #2
0594 Tilt Rackback Solenoid #20595 Tilt Dump Solenoid #2
0596 Implement Electronic Control Module
0600 Hydraulic Oil Temperature Sensor
0621 Downshift Switch
0623 Directional Switch
0626 Steering/Transmission Lock Switch
0627 Parking Brake Pressure Switch
0628 Quickshift Switch
0641 Transmission Solenoid #1
0642 Transmission Solenoid #2
0643 Transmission Solenoid #3
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Page 2 of 4
CID / MID / FMI
0644 Transmission Solenoid #4
0645 Transmission Solenoid #5
0646 Transmission Solenoid #6
0650 Harness Code
0654 Trailer Right Brake Oi l Temperature Sensor
0655 Trailer Left Brake Oil Temperature Sensor
0656 Trailer Brake Oil Cooler Inlet Temperature Sensor
0657 Trailer Brake Oil Cooler Temperature Sensor
0658 Trailer Right Suspension Cylinder Pressure Sensor
0659 Trailer Left Suspension Cylinder Pressure Sensor
0670 Torque Converter Pedal Position Sensor
0671 Transmission Output Speed Sensor
0672 Torque Converter Output Speed Sensor
0678 Torque Converter Impeller Clutch Solenoid
0679 Torque Converter Lockup Clutch Solenoid
0700 Transmission Gear Actuator Sensor
0701 Transmission Output Speed Sensor
0702 Transmission Gear Selector Switch
0703 Trailer Door Position Sensor
0704 Service Brake Pressure Switch
0705 Body Raise Switch
0706 Body Up Sensor
0707 Transmission Upshift Solenoid
0708 Transmission Downshift Solenoid
0709 Torque Converter Lockup Clutch Solenoid
0710 ARC Supply Valve
0711 ARC Control Valve0712 ARC Lamp
0713 ARC ON/OFF Switch
0714 ARC Pressure Switch
0715 Retarder Pressure Switch
0800 VIMS Main Module
0801 VIMS Interface Module #1
0802 VIMS Interface Module #2
0803 VIMS Interface Module #3
0804 VIMS Interface Module #4
0805 VIMS Interface Module #5
0806 VIMS Interface Module #6
0807 VIMS Interface Module #7
0808 VIMS Interface Module #8
0809 Speedometer/Tachometer #1
0810 Speedometer IT achometer #2
0811 Gauge (Quad) Cluster #1
0812 Gauge (Quad) Cluster #2
0813 Gauge (Quad) Cluster #3
0814 Gauge (Quad) Cluster #4
0815 Message Center #1
0816 Message Center #2
0817 ECM Internal Backup Battery
0820 Keypad Data Link
0821 Display Power Supply (9 Volt)
0822 Display Lighting Power Supply
0823 VIMS Service Lamp0824 Truck Payload Lamp #1 (Green)
0825 Truck Payload Lamp #2 (Red)
0826 Torque Converter Oil Temperature Sensor
0827 Left Exhaust (Bank) Temperature Sensor
0828 Right Exhaust (Bank) Temperature Sensor
0829 Rear Aftercooler Coolant Temperature Sensor
0830 Front Brake Oil Temperature Sensor
0833 Rear Brake Oil Temperature Sensor
0835 Dif ferential (Axle) Oil Temperature Sensor
0838 Left Front Suspension Cylinder Pressure Sensor
0839 Right Front Suspension Cylinder Pressure Sensor
0840 Left Rear Suspension Cylinder Pressure Sensor
0841 Right Rear Suspension Cylinder Pressure Sensor
0849 System Air Pressure Sensor
0851 Gear Box Pressure Sensor
0852 Brake Oil Temperature Sensor (Right Front)
0853 Brake Oil Temperature Sensor (Left Front)
0854 Brake Oi l Temperature Sensor (Right Rear)
0855 Brake Oil Temperature Sensor (Left Rear)
0890 Broadcast Port (Data Link)
1 Current CID numbers apply to machines with VIMS installed after 08-01-94 and
machines updated with new software after 08-01-94
Current
CID No.Component
0819 Display Data Link
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Page 3 of 4
CID / MID / FMI
Component Identifier (CID) For
Transmission Control EPTC ll
(Only For MID No. 27)
CID No. Component
168 Electrical System Voltage
190 Engine RPM Sensor
248 CAT Data Link
269 Sensor Power Supply
627 Parking Brake Switch
650 Harness Code
672 Torque Converter Output Speed Sensor
700 Actual Gear Switch
701 Tramsmission Output Speed Sensor
702 Shift Lever Switch
704 Service Brake Pressure Switch
705 Body Raise Switch
706 Body Up Switch
707 Up Solenoid
708 Down Solenoid
709 Lockup Solenoid
Component Identifier (CID) For
Engine Control
(Only For MID No. 36)
CID No. Component
001 Cylinder 1 Injector Solenoid
002 Cylinder 2 Injector Solenoid
003 Cylinder 3 Injector Solenoid
004 Cylinder 4 Injector Solenoid
005 Cylinder 5 Injector Solenoid
006 Cylinder 6 Injector Solenoid
007 Cylinder 7 Injector Solenoid
008 Cylinder 8 Injector Solenoid
009 Cylinder 9 Injector Solenoid
010 Cylinder 10 Injector Solenoid
011 Cylinder 11 Injector Solenoid
012 Cylinder 12 Injector Solenoid
013 Cylinder 13 Injector Solenoid
014 Cylinder 14 Injector Solenoid
015 Cylinder 15 Injector Solenoid
016 Cylinder 16 Injector Solenoid
091 Throttle Position Sensor
100 Engine Oil Pressure Sensor
110 Coolant Temperature Sensor
168 Electrical System Voltage
190 Engine RPM Sensor
248 CAT Data Link
253 Personality Module Mismatch
Component Identifier (CID) For
Automatic Retarder Control
(Only For MID No. 83)Current
CID No.Component
091 Throttle Position Sensor
168 Electrical System Voltage
190 Engine RPM Sensor
248 CAT Data Link
627 Parking Brake Switch
650 Harness Code
700 Actual Gear Switch
702 Shift Lever Switch
710 ARC Supply Solenoid
711 ARC Control Solenoid
712 Retarder Lamp
713 ARC On/Off Switch
714 Auto Retarder Pressure Switch
715 Retarder Pressure Switch
261 Timing Calibration
262 Analog Sensor Power Supply
263 Digital Sensor Power Supply
267 Shutdown Inputs Are Incorrect
268 Programmed Parameter Fault
272 Turbo Outlet Pressure Calibration
273 Turbo Outlet Pressure Calibration
274 Atmospheric Pressure Calibration
275 Turbo Inlet Calibration
276 Turbo Inlet Calibration
281 Engine Lamp
282 Overspeed Lamp
283 Filter Restrict Lamp
284 EMS Engine On
285 EMS Coolant Lamp
286 EMS Oil Lamp
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Page 4 of 4
CID / MID / FMI
Module Identifier (MID) DescriptionMID No. Description
24 Engine Control
27 Transmission Control (EPTCII only)
30 Caterpillar Monitoring System
36 Engine Control
39 Machine Control
49 VIMS Main Module
57 VIMS Interface Module #1
58 VIMS Interface Module #2
59 VIMS Interface Module #3
60 VIMS Interface Module #4
65 VIMS Interface Module #5
66 VIMS Interface Module #6
67 VIMS Interface Module #7
68 VIMS Interface Module #8
81 Transmission Control
82 Implement Control
83 Automatic Retarder Control
NOTE: After determining the electronic control that detected the failure, see the
service manual module for that control for troubleshooting information.
Failure Mode Indicator And Message Center Displays
FMI No. Failure Description Message Center Displays
00Data Valid But Above Normal
Operating RangeN/A
01 Data Valid But Below NormalOperating Range
N/A
02 Data Erratic, Intermittent Or Incorrect Intermittent
03 Voltage Above Normal Or Shorted High Shorted Hi
04 Voltage Below Normal Or Shorted Low Shorted Lo
05 Current Below Normal Or Open Circuit Lo Amps Open
06Current Above Normal Or
Grounded CircuitHi Amps Grounded
07Mechanical System Not
Responding ProperlyN/A
08 Abnormal Frequency, Pulse Or Period Out of Range
09 Abnormal Update No Response
10 Abnormal Rate Of Change N/A
11 Failure Mode Not Identifiable Unknown Error
12 Bad Device Or Component No Response
13 Out Of Calibration Uncalibrated
14 Not Used N/A
15 Not Used N/A
16 Parameter Not Available Not Available
17 Module not Responding No Response
18 Sensor Supply Fault Snsr Supply Fault
19 Condition Not Met N/A
20 Not Used N/A
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SPECIFICATIONS AND RELATED MANUALS
Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)
9G-1950Resistor - Blower Motor
Differential Oil Cooler Low Speed (Rear)Overall 2.0 0.1
3T-3437 Resistor - Dimmer Overall 10.0 0.1
124-6704
Resistor - Exhaust Diverter
Oil Burn
Start Aid
Overall 20 0.2
9G-9988 Solenoid - AETA Four Way 24.9
3T-0062 Solenoid - AETA Proportional 16.0
8T-8692
Solenoid - Body Float
Body Lower
Body Raise
34.2
107-8238
Solenoid - XMSN Lockup
Down Shift
Up Shift
33.7
At room temperature unless otherwise noted.
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
3E-2033 Secondary Brake Pressure (Parking)640 kPa
(92.0 psi)
530 40 kPa
(77.0 6.0 psi)Normally Open
3E-2034 Service Brake Pressure (Retarder)80 kPa
(12.0 psi)
55 20 kPa
(8.0 3.0 psi)Normally Closed
3E-2035 Manual Retard Pressure 60 kPa(8.5 psi)
28 15 kPa(4.0 2.0 psi)
Normally Open
3E-5465 A/C Thermostat.25 Nm to .43 Nm
(.19 lb ft to .32 lb ft)
Normally Closed
3E-6461Steering Pressure (High)
Stop Lamp Pressure
11000 kPa MAX
(1600 psi MAX)
9000 350 kPa
(1300 51 psi)
B-C, Normally Closed
B-A, Normally Open
3E-7809 Steering Pressure (Low)1900 kPa MAX
(275 psi MAX)
1400 140 kPa
(205 20 psi)
B-C, Normally Closed
B-A, Normally Open
9X-7781
Differential Filter Plug
Hoist Screen
Park Brake Filter
T/C Screen
XMSN Charge Filter Pressure
210 70 kPa
(30 10 psi)
Normally Open
111-9560 A/C High Pressure Engine Fan Clutch Override1585 kPa 103 kPa
(230 psi 14.9 psi)
1275 kPa 103 kPa
(185 psi 14.9 psi)Normally Closed
111-9563 ARC Pressure 80.0 kPa MAX(11.6 psi MAX)
55.0 20.0 kPa(8.0 2.9 psi)
Normally Closed
114-5333 Refrigerant Pressure (AC)275 to 1750 kPa
(40 to 255 psi)
Normally Open
116-9933
Brake Cooling Filter
Fuel Filter
Torque Converter Inlet Filter Pressure
138 14 kPa
(20.0 2.0 psi)
83 kPa Min
(12.0 psi Min)Normally Closed
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 (25 psi).
Contact position at the contacts of the harness connector.
Related Electrical Service Manuals
Form Number
Alternator 9X-7803 SENR7508
Arc Control SENR5683
Engine Control SENR1127
EPTC-II SENR9122
Starting And Charging Systems SENR2947
Traction Control System (AETA) SENR2986
VIMS SENR6059
Title
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Page 1 of 3
WIRE DESCRIPTION
Wire
Number
Wire
ColorDescription
Wire
Number
Wire
ColorDescription
Power Circuits Control Circuits
101 RD Bat(+) 700 PK AETA Test SW
102 BU Hd Lmp 703 BU XMSN Up Sol
103 YL Aux Ckt 704 GY XMSN Down Sol
104 YL Aux Ckt 705 PK XMSN Lockup Clutch Sol Basic
105 BR Key Sw 706 BR XMSN Retarder SW
107 WH Eng Shut - Down 707 PU XMSN Bed Raise SW
109 OR Alt Output (+) Term. 708 YL XMSN Hold SW
112 PU Main Power Rly Output 709 OR Sensor Power Supply
113 OR VIMS B+ Switched 710 GN XMSN Speed Pickup Signal
115 PK Aux Ckt 711 BR XMSN Lever Code 1
120 YL Aux Ckt 712 WH XMSN Lever Code 2
121 YL Back Alarm To Lamp 713 OR XMSN Lever Code 3
122 BU Aux Ckt 714 YL XMSN Lever Code 4
123 WH Aux Ckt 715 GN XMSN Lever Code 5
124 GN A/C 716 BU XMSN Lever Code 6126 PK Xmsn Ctrl 720 PU XMSN Brake SW
132 PK Aeta Ctrl 721 BR XMSN Gear Code 1
135 BU Aux Ckt 722 WH XMSN Gear Code 2
139 OR Aux Ckt 723 OR XMSN Gear Code 3
149 PU Aux Ckt 724 PU XMSN Gear Code 4
150 RD Bat (+) 725 GN XMSN Gear Code 5
160 PU Aux Ckt 726 BU XMSN Gear Code 6
170 YL Aux Ckt 767 WH AETA Pickup Power
176 OR Aux Ckt 768 OR AETA Pickup XMSN
Ground Circuits 769 BU Wheel Speed Pickup Left
200 BK Main Chassis 770 GN Wheel Speed Pickup Right
201 BK Operator Monitor Return 772 BR AETA Retarder SW
202 BK XMSN Ctrl 773 GY AET A Servovalve
205 BK Instr 774 YL AETA Sol- Left
212 BK AETA Coding 775 BR AETA Sol- Right
213 BK AETA Coding 777 PU Brake Release Motor
214 BK AETA Coding A701 OR Digital Sensor Power(+8V)
215 BK AETA Coding A701 GY Injector #1
216 BK AETA Coding A702 PU Injector #2
217 BK XMSN Id Code 2 A703 BR Injector #3
218 BK XMSN Id Code 1 A704 GN Injector #4
219 BK XMSN Id Code 0 A705 BU Injector #5
227 BK XMSN Id Code 3 A706 GY Injector #6
229 BK Bat (-) A707 PU Injector #7
231 BK XMSN SW A708 BR Injector #8
280 BK XMSN Ctrl Ident Code 4 A709 OR Injector #9
A215 BK Auto Retarder Ctrl Harness Code 0 A710 GY Injector #10
A216 BK Auto Retarder Ctrl Harness Code 1 A711 PU Injector #11
A217 BK Auto Retarder Ctrl Harness Code 2 A712 BR Injector #12
A218 BK Auto Retarder Ctrl Harness Code 3 A713 GN Injector #13
A251 BK VIMS Ser Mod #1 A714 BU Injector #14
A252 BK VIMS Ser Mod #2 A715 GY Injector #15
A253 BK VIMS Ser Mod #3 A716 PU Injector #16
A254 BK ARC A746 PK Turbo Outlet Pressure
A255 BK AETA A747 GY Atmospheric Pressure
A271 BK Oil Cooler Control Ground A751 YL After Cooler Temp
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Page 2 of 3
WIRE DESCRIPTION
Basic Machine Circuits E707 GN VIMS Display +V
306 GN Starter Relay Coil To Neut Start SW Or Key SW E708 PK VIMS Display Clock
307 ORKey SW To Neutral Start SW Or VIMS Sensor
ModuleE709 WH VIMS Service Lamp
308 YL Main Power Relay Coil E710 BU VIMS LCD Lamp Driver
315 GN Start Aid Breaker To Start Aid Relay E729 GN Fan Brake Relay To Fan Brake Sol
317 YL Start Aid Relay To Start Aid Sol E750 PU Body Position Sensor Signal
321 BR Backup Alarm Lamp Travel Alarm E776 GN Sensor Module #3 - CAT link Right +
326 BR Key SW "C" Term. E777 YL Sensor Module #3 - CAT link Right -
327 PK Shutdown Solenoid E791 YL LeftAETA Relay Sol To VIMS
337 WH Prelube Pushbutton SW To Prelube Timer E792 BR Right AETA Relay Sol To VIMS
Monitoring Circuits E793 BU ATA Data link-
403 GN Alternator (R) Term. E794 YL AT A Data Link +
408 WH Opr Mon System Air Press. E795 YL Crankcase Press
410 WH Opr Mon Action Alarm E796 GN Oil Press (Unfiltered)
411 PK Opr Mon Master E797 WH PWM #3 Return
412 BU Opr Mon Cool Flow/ E798 PK PWM #3
417 OR Primary Ster SW E799 BR PWM #1 And #2 Return
419 YL Opr Mon Parking Brake F700 BU PWM #1 Out (3.5A)
425 PK Opr Mon Power Train Oil Level F701 BR PWM #2 Out (3.5A)
426 BR Opr Mon Power Train Oil Filter F702 GN Throttle
428 OR Opr Mon Xmsn Oil Temp F703 GY Lh Turbine Inlet Exh Temp
429 YL Opr Mon Brake Oil Temp F704 OR Rh Turbine Inlet Exh Temp
447 PK Fuel Level Gauge F705 PK Dout 6
450 YL Tach Sender (+) F707 WH Start Aid Current Level Relay
452 PU Torque Converter F708 YL Dout
454 GN Retarder Indicator Lamp F709 BU Dout
473 GY Overstroke SW To Overstroke SW F710 BR Start Aid On Relay
474 WH Overstroke SW To Overstroke SW F713 OR Left Turbo Inlet Press
481 GN Converter Temp SW To Brake Oil Temp SW F714 PK Right Turbo Inlet Press
A451 WH Opr Mon Steering OII Temp F715 PU Shutdown (No)
A491 GN Overstroke SW To Overstroke SW F716 WH Shutdown (Nc)
A492 WH Trans Supply SW To Torque Conv Inlet Filter SW F717 YL SW4
A493 OR Hoist Filter SW To Hoist Filter SW F718 BU SW5
A494 YL Hoist Filter SW To T.C. SW F719 BR SW 6/1
C413 YL VIMS Display Data F720 GN SW 8/3
C414 BU VIMS Display Load F721 GY SW 9/4
C415 WH VIMS Display Keydata F722 OR SW 10/5
C419 GN Load Share Select Input F723 PK TDC Probe +
C420 BU Diode To Lamp Test Relay F724 PU TDC Probe -
C428 GN Brake Cooling Filter SW F725 WH Fuel Press
C429 GYDifferential Oil Temp
F726 YLInjector Common 1 & 3
C453 YL Ambient Temp F727 BU Injector Common 2 & 4
C463 GY Aftercooler Temp Gauge F728 BR Injector Common 5 & 7
C466 YL LF Brake Oil Temp F729 GN Injector Common 6 & 8
C467 BU LR Brake Oil Temp F730 GY Injector Common 9 & 11
C473 GN Rear Pump Press F731 OR Injector Common 10 & 12
C484 YL Rear Differential Filter Press SW F732 PK Backup Camshaft Spd/Tmg(Marine)
C485 YL Exhaust Temp F780 PK Parking Brake SW
F418 GN VIMS RS232 Port 2 Trans G704 YL Body Raise Sol
F419 YL VIMS RS232 Port 2 Receive G705 GN Body Lower Sol
F433 PU Brake Temp G711 BR Float Indicator
F447 PU Steering HI Press SW To LO Press SW G712 GN Body Hoist SW - Lower
G427 BU T/C Inlet Filter SW To Hoist Screen SW G713 GY Body Hoist SW - Float
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HARNESS and WIREElectrical Schematic Symbols
1
2
AG-C4
111-7898
L-C12
3E-5179
9X-1123Component
Part Number
Pin or Socket Number
Part Number:for
Connector Receptacle
Part Number:for
Connector Plug
Harness Identification Letter(s): (A, B, C, ..., AA, AB, AC, ...)
Plug
325-AG135 PK-14
Wire Co
Wire Ga
Receptacle
PressureSymbol
T
TemperatureSymbol
LevelSymbol
FlowSymbol
Circuit BreakerSymbol
Harness and Wire Symbols
1
1
2
2
Sure-Seal c onnector: Typical representationof a Sure-Seal connector. The plug and receptacle
contain both pins and sockets.
Deutsch connector:Typical representation
of a Deutsch connector. The plug contains allsockets and the receptacle contains all pins.
Symbols
Symbols and Definitions
Fuse (5 Amps)
5A
T
Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it.
Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component ha
screw terminals and a wire can be disconnected from it.
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.
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 th
machine.
Reed Switch : A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch;
opens the contacts of a normally closed reed switch.
Sender: A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. It
resistance changes to give an indication to the gauge of the temperature or pressure.
Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagne
when current flows through it. The electromagnet can open or close the switch part of the relay.
Solenoid: A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when curren
flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work.
Magnetic Latch Solenoid: A magnetic latch solenoid is an electrical component that is activated by electricity and held latched by
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.
Harness id entification code:
This example indicates wire group 325,
wire 135 in harness "AG".
L-C123E-5179
Wire, Cable, or Harness Assembly Identification:
Includes Harness Identification Letters and Harness
Connector Serialization Codes (see sample).Harness Connector Serialization Code: The "C" stands
"Connector" and the number indicates which connector in
harness (C1, C2, C3, ...).
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REAR COMPARTMENT
(AREA E) REAR VIEW SIDEWALL (AREA J)
RIGHT SIDE VIEW
6161
5959
55
55
54 54
53 53
VIEW ALL CALLO
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