Parking Brake Release Switch: Testing and Inspection

PARKING BRAKE SWITCH

Component Function Check


1. CHECK PARKING BRAKE SWITCH OPERATION

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal?
YES- Inspection End.
NO- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Electrical Diagrams.

1. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect combination meter and parking brake switch connectors.
3.Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace as necessary.

2. CHECK PARKING BRAKE SWITCH

Check parking brake switch. Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 3.
NO- Replace parking brake switch. Refer to "Exploded View" Exploded View.

3. CHECK PARKING BRAKE SWITCH SIGNAL

With CONSULT.
1.Connect combination meter connector and parking brake switch connectors.
2.Turn ignition switch ON.
3.In "DATA MONITOR" select "PARK BRAKE SW" and check parking brake switch signal.





Is the inspection result normal?
YES- Refer to "Work Flow" Work Flow.
NO- GO TO 4.

4. CHECK PARKING BRAKE SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect combination meter and parking brake switch connectors.
3.Check continuity between combination meter connector M24 terminal 12 and parking brake switch connector E35 terminal 1.





4.Check continuity between combination meter connector and ground.





Is the inspection result normal?
YES- Replace combination meter. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace malfunctioning components.


Component Inspection


1. CHECK PARKING BRAKE SWITCH

1.Turn ignition switch OFF.
2.Disconnect parking brake switch connector.
3.Check continuity between parking brake switch terminal 1 and ground.





Is the inspection result normal?
YES- Inspection End.
NO- Replace parking brake switch. Refer to "Exploded View" Exploded View.