Diagnosis Procedure

COMBINATION SWITCH OUTPUT CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, refer to Coupe (Coupe) or Sedan (Sedan).
1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN





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






Does continuity exist?
YES - GO TO 2
NO - Repair or replace harness.
2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT





Check for continuity between BCM harness connector and ground.





Does continuity exist?
YES - Repair or replace harness.
NO - GO TO 3
3. CHECK COMBINATION SWITCH OUTPUT VOLTAGE





1. Connect the BCM and combination switch.
2. Turn ON any switch in the system that is malfunctioning.
3. Check voltage between combination switch harness connector and ground.






Is the measurement normal when any of the switches is turned ON?
YES - Replace BCM. Refer to BCM.
NO - Replace the combination switch. Refer to Service and Repair.