Security Control System

HOOD SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select "HOOD SW" in "Data Monitor" mode of "IPDM E/R" using CONSULT.
2.Check "HOOD SW" indication under the following condition.





Is the indication normal?
YES- Hood switch is OK.
NO- Go to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Vehicle Security System.

1. CHECK HOOD SWITCH SIGNAL CIRCUITS

1.Turn ignition switch OFF.
2.Disconnect hood switch connector.
3.Check voltage between hood switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK HOOD SWITCH SIGNAL CIRCUITS

1.Disconnect IPDM E/R connector.
2.Check continuity between IPDM E/R harness connector and hood switch harness connector.





3.Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace IPDM E/R. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.
Revision: March 20122013 Infiniti JX

3. CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK HOOD SWITCH

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 5.
NO- Replace hood switch. Refer to "HOOD LOCK : Removal and Installation" Removal and Installation.

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- Inspection End.


Component Inspection


1. CHECK HOOD SWITCH

1.Turn ignition switch OFF.
2.Disconnect hood switch connector.
3.Check continuity between hood switch terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace hood switch. Refer to "HOOD LOCK : Removal and Installation" Removal and Installation.
Revision: March 20122013 Infiniti JX