Combination Switch Output Circuit

COMBINATION SWITCH OUTPUT CIRCUIT

Diagnosis Procedure


1. CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect BCM and combination switch connectors.
3.Check continuity between BCM harness connector and combination switch harness connector.





Does continuity exist?
YES- GO TO 2.
NO- Repair harnesses or connectors.

2. CHECK OUTPUT 1 - 5 CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.





Does continuity exist?
YES- Repair harnesses or connectors.
NO- GO TO 3.

3. CHECK BCM OUTPUT VOLTAGE

1.Connect BCM connector.
2.Check voltage between BCM harness connector and ground.





Is the measurement value normal?
YES- Replace combination switch.
NO- Replace BCM. Service and Repair.