Diagnostic Sub-Routines

Fault: Wiper inoperative when stalk switch in position 1, 2 or D

Possible causes: 1. Fuse F6 in LH engine bay, or F16 in RH heelboard fuse-boxes ruptured.
2. Column stalk switch faulty.
3. ON/OFF relay faulty.
4. Fast/Slow relay faulty.
5. Wiper motor faulty.
6. Mechanical linkage fault.
7. Wiring harness or connectors faulty.

Remedy: 1. Renew fuses after determining reason for failure.
2. Renew switch.
3. Renew relay
4. Renew relay
5. Renew motor.
6. Repair or renew linkage
7. Identify and repair or renew faulty harness.

Fault: Screen wash inoperative when stalk switch in pressed
Possible causes: 1. Fluid reservoir empty.
2. Fuse F13 in RH engine bay fuse-box ruptured.
3. Column stalk switch faulty.
4. Pump relay faulty.
5. Pump unit faulty.
6. Wiring harness or connectors faulty.

Remedy: 1. Top-up reservoir.
2. Renew fuse after determining reason for failure.
3. Renew switch.
4. Renew relay.
5. Renew pump unit.
6. Identify and repair or renew faulty harness.

Fault: Power wash inoperative when stalk switch is pressed; sidelights ON :
Possible causes 1. Fluid level low.
2. Fuse F17 in RH engine bay fuse-box ruptured.
3. Column stalk switch faulty.
4. Pump relay faulty.
5. Pump unit faulty.
6. Sidelights switch faulty
7. Wiring harness or connectors faulty.

Remedy: 1. Top-up reservoir.
2. Renew fuse after determining reason for failure.
3. Renew switch.
4. Renew relay.
5. Renew pump unit.
6. Renew switch.
7. Identify and repair or renew faulty harness.

Fault: Screen wash jet heaters not operative
Possible causes:
1. Fuse F10 in RH engine bay fuse-box ruptured.
2. Ambient air temperature sensor faulty.
3. Heater elements faulty.
4. Wiring harness or connectors faulty.

Remedy: 1. Renew fuse after determining reason for failure.
2. Renew sensor.
3. Renew jets.
4. Identify and repair or renew faulty harness.

Fault: Wipers do not 'park'
Possible causes: 1. Park switch faulty.
2. Mechanical linkage fault.
3. Wiring harness or connectors faulty.

Remedy: 1. Renew motor assembly.
2. Repair or renew linkage.
3. Identify and repair or renew faulty harness.