Diagnosis Procedure
- CHECK HAZARD SWITCH SIGNAL INPUT
- Turn ignition switch OFF.
- Disconnect hazard switch connector.
- Check voltage between hazard switch connector and ground.
(+)
(-)
Voltage (Approx.)
Hazard switch
Connector
Terminal
2
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 2.
- CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT
- Disconnect BCM connector.
- Check continuity between hazard switch harness connector and BCM harness connector.
Hazard switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
2
48
Yes
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT
Check continuity between hazard switch harness connector and ground.
Hazard switch
Ground
Continuity
Connector
Terminal
2
No
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK HAZARD SWITCH GROUND OPEN CIRCUIT
Check continuity between hazard switch harness connector and ground.
Hazard switch
Ground
Continuity
Connector
Terminal
3
Yes
Is the inspection result normal?
YES
Replace hazard switch. Refer to Removal and Installation .
NO
Repair or replace harness.