ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
- Perform 4WAS front actuator adjustment after replacing 4WAS front control unit.
- Perform 4WAS front actuator adjustment when performing any service below.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) removal. Refer to
, "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 1) ".CAUTION:
- Check the following items before the removal.
- Turn 4WAS warning lamp OFF after the engine starts.
- Perform the self-diagnosis of each control unit of 4WAS system (4WAS front control unit and 4WAS main control unit). Check that 4WAS system controls properly.
- Check the following items before the removal.
- 4WAS front actuator and the steering components (included adjusting wheel alignment) installation. Refer to , "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 2) ".
- 4WAS front control unit and the steering angle sensor replacement. Refer to , "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 3) ".
- When driving while misaligned the steering wheel position (center) after installing 4WAS front actuator. Refer to , "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 4) ".