Operation CHARM: Car repair manuals for everyone.

Brake Signal: Testing and Inspection

BRAKE SWITCH
Inspection Of Voltage
1. Turn the ignition switch to ON.

Measure Voltage At The Brake Switch Connector:




2. Measure voltage at the brake switch connector.




3. If not as specified, check the wiring harness (Stop fuse-Brake switch, Brake switch-Powertrain control module) and the continuity of the switch.

Inspection Of Continuity
1. Disconnect the negative battery cable.
2. Disconnect the brake switch connector.

Inspection Of Continuity:




3. Check continuity between terminals A and B of the switch.

Continuity Between Terminals A And B Of The Switch:




4. If not as specified, replace the brake switch.
5. Connect the brake switch connector.
6. Connect the negative battery cable.