Xenon Type

HAZARD SWITCH


Diagnosis Procedure

1.CHECK HAZARD SWITCH SIGNAL INPUT
With operating the hazard switch, check the voltage between the BCM harness connector and the ground.





Is the measurement value normal?
YES - Replace BCM. Exploded View.
NO - GO TO 2.
2.CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the hazard switch connector and BCM connector.
3. Check continuity between the hazard switch harness connector and the BCM harness connector.





Does continuity exist?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT
Check continuity between the hazard switch harness connector and the ground.





Does continuity exist?
YES - Repair the harnesses or connectors.
NO - GO TO 4.
4.CHECK HAZARD SWITCH GROUND OPEN CIRCUIT
Check continuity between the hazard switch harness connector and the ground.





Does continuity exist?
YES - Replace the hazard switch.
NO - Repair the harnesses or connectors.