Parking Brake Switch Signal Circuit

PARKING BRAKE SWITCH SIGNAL CIRCUIT





Description
Transmits the parking brake switch signal to the combination meter.




Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select "METER/M&A" on CONSULT-III.
2. Monitor "PKB SW" of "DATA MONITOR" while applying and releasing the parking brake.





- Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Meter.
1.CHECK PARKING BRAKE SWITCH CIRCUIT





1. Disconnect combination meter connector and parking brake switch connector.
2. Check continuity between combination meter harness connector
M24 (A) terminal 26 and parking brake switch harness connector E35 (B) terminal 1.





3. Check continuity between combination meter harness connector
M24 (A) terminal 26 and ground.






Do test results match specifications?
YES - Inspection End.
NO - Repair harness or connector.




Component Inspection
1.CHECK PARKING BRAKE SWITCH





Check continuity between parking brake switch terminal 1 and switch case ground.





Do test results match chart?
YES - Inspection End.
NO - Replace parking brake switch.