Traction Control Switch: Testing and Inspection

VDC OFF SWITCH





Description
VDC OFF switch can deactivate (turn OFF) the VDC/TCS function by pressing the VDC OFF switch.




Component Function Check
1.CHECK VDC OFF SWITCH OPERATION
Turn ON/OFF the VDC OFF switch and check that the VDC OFF indicator lamp in the combination meter turns
ON/OFF correctly.





Is the inspection result normal?
YES - INSPECTION END
NO - Proceed to diagnosis procedure. SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK VDC OFF SWITCH
Check VDC OFF switch. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - VDC OFF switch is malfunctioning. Replace VDC OFF switch.
2.CHECK VDC OFF SWITCH HARNESS
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Disconnect VDC OFF switch connector.
3. Check continuity between VDC OFF switch connector and ABS actuator and electric unit (control unit) connector.





4. Check continuity between ABS actuator and electric unit (control unit) connector and ground.





5. Check continuity between VDC OFF switch connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace error-detected parts.
3.CHECK COMBINATION METER
1. Connect ABS actuator and electric unit (control unit) connector.
2. Connect VDC OFF switch connector.
3. Check if the indication and operation of combination meter are normal. Consult-III Function.
Is the inspection result normal?
YES - Replace ABS actuator and electric unit (control unit).
NO - Repair or replace combination meter.




Component Inspection
1.CHECK VDC OFF SWITCH
1. Turn ignition switch OFF.
2. Disconnect VDC OFF switch connector.
3. Check continuity between VDC OFF switch connector terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace VDC OFF switch.