Additional Service When Replacing Control Unit
INSPECTION AND ADJUSTMENT
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 (including wheel alignment) removal. SEE ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description Description Special Repair Requirement (Pattern 1),
"4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern
1)".
CAUTION:
- Check the following items before the removal:
- 4WAS warning lamp is turned OFF after the engine starts.
- Self-diagnosis of each control unit of 4WAS system (4WAS front control unit/4WAS main control unit) is performed. Check that 4WAS system is controlled properly.
- 4WAS front actuator and the steering components (including wheel alignment) installation. Special Repair Requirement (Pattern 2) Special Repair Requirement (Pattern 3), "4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 2)".
- 4WAS front control unit and the steering angle sensor replacement. Special Repair Requirement (Pattern 3).
- When driving while misaligning the steering wheel position (center) after installing 4WAS front actuator.
Special Repair Requirement (Pattern 4).