Diesel Data: Automotive Repair

Parking Brake Warning Switch: Testing and Inspection

1. Remove the rear console, and disconnect the connector from the switch.

Brake Warning System-Parking Brake Switch Test:




2. There should be continuity between the positive terminal and body ground with the brake lever up. There should be no continuity with the brake lever down.

NOTE: Canada only:
If the parking brake switch is OK, but the brake warning system does not function, perform the input test for daytime running lights control unit.