143H and 163H Motor Graders All Wheel Drive Location of Electrical Components Caterpillar


Location of Electrical Components
`
1.1. Overview
2.1. Switch (All Wheel Drive) (AWD)
3.1. Speed Sensor (Engine)
4.1. Speed Sensor (Ground)
5.1. Position Sensor (Torque Control Lever)
6.1. Pressure Sensor (All Wheel Drive)
7.1. Electronic Control Module (All Wheel Drive) (AWD)
8.1. Solenoid Valve (Charge)
9.1. Solenoid Valve (Drive)
10.1. Solenoid Valve (Motor Displacement)
11.1. Solenoid Valve (Pump Pressure)
12.1. Solenoid Valve (Pump Displacement) For Forward Operation and Reverse Operation
13.1. Indicator Lamp (All Wheel Drive) (AWD)
14.1. Data Link Connector

Overview




Illustration 1g00929520

(1) Solenoid valve (drive) (freewheel)

(2) Solenoid valve (motor displacement)

(3) Solenoid valve (charge)

(4) Pressure Sensor (AWD Pump)

(5) Solenoid valve (pump pressure)

(6) AWD ECM

(7) Data Link Connector

(8) AWD piston pump

(9) AWD lamp

(10) Position sensor (torque control lever)

(11) Speed sensor (ground)

Switch (All Wheel Drive) (AWD)




Illustration 2g00921178

The all wheel drive switch is located in the console to the right side of the operator seat.

Speed Sensor (Engine)




Illustration 3g00921370

The engine speed sensor is located next to the filler tube for the engine oil.

Speed Sensor (Ground)




Illustration 4g00921156

The ground speed sensor is located on the left side of the machine in front of the rear wheels.

Position Sensor (Torque Control Lever)




Illustration 5g00921152

The position sensor for the torque control lever is located on the left side of the steering column.

Pressure Sensor (All Wheel Drive)




Illustration 6g00921368

The all wheel drive pressure sensor for the pump pressure is located on the top side of the main frame in front of the cab.

Electronic Control Module (All Wheel Drive) (AWD)




Illustration 7g00921367

The AWD ECM is located on the top side of the main frame in front of the cab.

Solenoid Valve (Charge)




Illustration 8g00928390

The solenoid valve is located on the control valve for the all wheel drive. The control valve is mounted on top of the main frame above the front axle.

Solenoid Valve (Drive)




Illustration 9g00928391

The solenoid valve is located on the control valve for the all wheel drive. The control valve is mounted on top of the main frame above the front axle.

Solenoid Valve (Motor Displacement)




Illustration 10g00928409

The solenoid valve is located on the control valve for the all wheel drive. The control valve is mounted on top of the main frame above the front axle.

Solenoid Valve (Pump Pressure)




Illustration 11g00921365

The solenoid valve for the pump pressure is located on the top side of the main frame in front of the cab.

Solenoid Valve (Pump Displacement) For Forward Operation and Reverse Operation




Illustration 12g00921364

All wheel drive piston pump

The solenoid valves for the forward operation and reverse operation of the all wheel drive system are located on the all wheel drive piston pump. The all wheel drive piston pump is mounted to the transmission housing.

Indicator Lamp (All Wheel Drive) (AWD)




Illustration 13g00921362

The all wheel drive lamp is located on the Cat Monitoring System.

Data Link Connector




Illustration 14g00921186

The data link connector is located in the console to the right side of the operator seat.

Information System:

R2900 Load Haul Dump Fire Suppression System (Foam) - If Equipped
R2900 Load Haul Dump Engine Start Switch
3524B Engine for Caterpillar Built Machines Engine Oil Cooler - Disassemble
D250E Series II and D300E Series II Articulated Trucks Power Train Selector and Pressure Control Valve
2002/08/19 Correction to Operation and Maintenance Manual , "Caterpillar Monitoring System" {7451, 7490}
2002/08/19 Correction to Operation and Maintenance Manual , "Caterpillar Monitoring System" {7451, 7490}
814F Wheel Dozer, 815F Soil Compactor and 816F Landfill CompactorEngine Supplement Engine, Torque Converter, Transmission and Output Transfer Gears - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Transmission Case
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Air System and Brakes Monitoring System
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Clutch (First and Third)
3524B Engine for Caterpillar Built Machines Engine Oil Cooler - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Clutch (Reverse and Second)
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System MID 028 - CID 0613 - FMI 03
3524B Engine for Caterpillar Built Machines Engine Oil Cooler - Assemble
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System MID 028 - CID 0613 - FMI 05
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System MID 028 - CID 0613 - FMI 06
216 and 232 Skid Steer Loaders 3024 Engine Supplement Alternator - Remove and Install
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System MID 028 - CID 0615 - FMI 00
Installation Procedure for New 190-3692 Pressure Sensor {1408, 3016}
216 and 232 Skid Steer Loaders 3024 Engine Supplement Electric Starting Motor - Remove and Install
D350E Series II and D400E Series II Articulated Trucks Power Train Transmission Mounting
120H and 135H Motor Graders Equipment Lowering with Engine Stopped
793C Off-Highway Truck Machine Systems Relief Valve (Fan Drive Oil Cooler) - Disassemble
14H Motor Grader 3176C Engine Supplement Hood - Remove