Traction Control Switch: Testing and Inspection

VDC OFF SWITCH

Description

VDC OFF switch deactivates (turn OFF) the VDC/TCS function when the VDC OFF switch is pressed.


Component Function Check


1. CHECK VDC OFF SWITCH OPERATION

Operate 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- Go to diagnosis procedure. .


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.

1. CHECK VDC OFF SWITCH

Perform VDC OFF switch component inspection. .
Is the inspection result normal?
YES- GO TO 2
NO- Replace VDC OFF switch.

2. CHECK VDC OFF SWITCH HARNESS






1.Disconnect ABS actuator and electric unit (control unit) connector.
2.Check continuity between ABS actuator and electric unit (control unit) connector E26 (A) terminal 21 and VDC OFF switch connector M72 (B) terminal 1.





3.Check continuity between ABS actuator and electric unit (control unit) connector E26 (A) terminal 21 and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace malfunctioning components.

3. CHECK VDC OFF SWITCH GROUND






Check continuity between VDC OFF switch connector M72 terminal
2 and ground.





Is the inspection result normal?
YES- Inspection End.
NO- Repair or replace malfunctioning components.


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 terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace VDC OFF switch.