Combination Switch Output Circuit

COMBINATION SWITCH OUTPUT CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Body Control Systems.

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 BCM OUTPUT VOLTAGE






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





Is the measurement normal?
YES- GO TO 4
NO- Replace BCM. Service and Repair.

4. CHECK COMBINATION SWITCH

Check combination switch. Symptom Related Diagnostic Procedures.
Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Replace the combination switch. Service and Repair.


Special Repair Requirement


1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Description.
- Work end.