C1686

C1686 4WAS MAIN CONTROL UNIT

Description

- It transmits the value calculated by 4WAS main control unit to 4WAS front control unit with 4WAS communication line (line for 4WAS system). 4WAS front control unit controls 4WAS front actuator according to the received command value.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. RECHECK DTC

With CONSULT
1.Turn the ignition switch from OFF to ON.
2.Perform 4WAS front control unit self-diagnosis.
Is DTC "C1686" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


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

With CONSULT
Perform 4WAS front control unit self-diagnosis.
Is any DTC other than "C1686" detected?
YES- Check the error system.
NO- Perform 4WAS main control unit self-diagnosis.