Hazard Switch

HAZARD SWITCH

Component Function Check


1. CHECK HAZARD SWITCH SIGNAL BY CONSULT

CONSULT DATA MONITOR
1.Turn ignition switch ON.
2.Select HAZARD SW of BCM (FLASHER) DATA MONITOR item.
3.While operating the hazard switch, check the monitor status.





Is the inspection result normal?
YES- Hazard switch circuit is normal.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Electrical Diagrams.

1. CHECK HAZARD SWITCH SIGNAL INPUT

1.Turn ignition switch OFF.
2.Disconnect A/C and A/V switch assembly harness connector M98.
3.Turn ignition switch ON.
4.Check voltage between A/C and A/V switch assembly harness connector M98 and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM harness connector M18.
3.Check continuity between A/C and A/V switch assembly harness connector and BCM harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the harness or connectors.
Revision: March 20122013 Infiniti JX

3. CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT

Check continuity between A/C and A/V switch assembly harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace the harness or connectors.

4. CHECK HAZARD SWITCH GROUND OPEN CIRCUIT

Check continuity between A/C and A/V switch assembly harness connector and ground.





Is the inspection result normal?
YES- Replace A/C and A/V switch assembly. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace the harness or connectors.
Revision: March 20122013 Infiniti JX