With Intelligent Key System

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. Exploded View.