Work Procedure (Pattern 3)

4WAS FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT

Work Procedure (Pattern 3)


1. PERFORM ACTIVE TEST (LOCK OPERATION)

With CONSULT
1.Never drive the vehicle to the straight-ahead position.
2.Turn the ignition switch ON.

CAUTION:
Never start the engine.
3.Select "LOCK OPERATION" item on "ACTIVE TEST" for "4WAS(FRONT)".
4.Perform "RELEASE" of "ACTIVE TEST".

CAUTION:
- Turn the steering wheel 90�. Check that the front wheels do not move.
- Never turn the steering wheel during "RELEASE".
5.Turn the steering wheel to adjust "4WAS STR ANG" of "DATA MONITOR" for "4WAS(FRONT)" so that it falls within the range shown below:





6.Perform "LOCK" item on "ACTIVE TEST" for "4WAS(FRONT)".
7.Steer 30� leftward slowly. Steer 30� rightward and return the steering wheel to the straight-ahead position.
8.Finish 4WAS front control unit active test.
- GO TO 2.

2. STEERING ANGLE SENSOR NEUTRAL POSITION ADJUSTMENT

1.Perform the steering angle sensor neutral position adjustment. Work Procedure.
2.Turn the ignition switch OFF.
- GO TO 3.

3. RETURN TO 4WAS FRONT ACTUATOR INITIAL POSITION

1.Start the engine.

CAUTION:
Never drive the vehicle.
2.Steer 90� leftward slowly. Then steer 90� rightward.
3.Steer 90� leftward slowly again. Then steer 90� rightward. Return the steering wheel to the straight-ahead position.
4.Stop the vehicle in the straight-ahead position after driving for a period of time. (When engine is running)
- GO TO 4.

4. CHECK 4WAS FRONT ACTUATOR INSPECTION

With CONSULT
1.Check "4WAS STR ANG" item on "DATA MONITOR" for "4WAS(FRONT)".

CAUTION:
Never touch the steering wheel during the service.


4WAS STR ANG: (-3.5) - (+3.5) deg
2.Turn the ignition switch OFF.
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 1.

5. PERFORM ACTIVE TEST (SLOW MODE)

With CONSULT
1.Start the engine.

CAUTION:
Never drive the vehicle.
2.Select "SLOW MODE" item on "ACTIVE TEST" for "4WAS(FRONT)".
3.Perform "MODE START" of "ACTIVE TEST".
4.Steer the steering wheel leftward slowly until the turning stops.
5.Steer the steering wheel rightward slowly until the turning stops.
Is "OK" indicated on both right and left on "SLOW MODE"?
YES- GO TO 6.
NO- Work Procedure (Pattern 4).

6. PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT)

With CONSULT
Perform self-diagnosis for "4WAS(FRONT)".
Is any error system detected?
YES- Check the error system.
NO- GO TO 7.

7. ERASE ERROR HISTORY

With CONSULT
Erase the memory of self-diagnostic result for "4WAS(FRONT)" and "4WAS(MAIN)/RAS/HICAS".
- END