Cruise control – fault diagnosis
- Make
- Land Rover
- Model
- Range Rover P38 Electrical Troubleshooting Manual
- Year
- 1997–1999
- Section
- Fault diagnosis › Cruise control – fault diagnosis
Cruise controlCruise control – fault diagnosis
CRUISE CONTROL – FAULT DIAGNOSIS
Test C 1C
CONDITIONS Ignition Switch
Position: II
Cruise Control Switch
On
RESULTS Steering Wheel Switches
SET/ACCEL Switch
On = BAT VOLT 0 V Off =
OK
2C
2C
CONDITIONS Ignition Switch
Position: 0
RESULTS Steering Wheel Switches
SET/ACCEL Switch
= On Less than 1 ohm Off More than 10K ohms =
OK PROBLEM CAUSE - YS,R Wire - Rotary Coupler
- Steering Wheel Switches
V
SY C243
Z121 Cruise Control ECU
OK GO TO TEST D
C241P
YS
Z249 Cruise Control Con- verter/Inverter Module
OK PROBLEM CAUSE - Cruise Control Converter/In- verter Module
Parts & tools for this job For 1997 Land Rover Range Rover
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Land Rover Range Rover
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