4WAS Warning Lamp Does Not Turn Off
4WAS WARNING LAMP DOES NOT TURN OFF
Description
- 4WAS system stops (error) when turning 4WAS warning lamp ON.
Diagnosis Procedure
1. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT
Perform 4WAS main control unit self-diagnosis.
Is any DTC detected other than "C1930" or "C1931"?
YES- GO TO 2.
NO- GO TO 3.
2. PERFORM TROUBLE DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT
1.Check the error system detected from the self-diagnosis.
2.Perform 4WAS main control unit self-diagnosis again after the inspection.
Is any error system detected?
YES- Check the error system.
NO- GO TO 3.
3. PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT)
With CONSULT
Perform 4WAS front control unit self-diagnosis.
Is any error system detected?
YES- Check the error system.
NO- GO TO 4.
4. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT
Perform 4WAS main control unit self-diagnosis.
Is any error system detected?
YES- Check the error system.
NO- Check that there is no malfunction in each harness connector pin terminal or disconnection.