Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HOOD SWITCH SIGNAL CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect hood switch connector.
- Check voltage between hood switch harness connector and ground.
(+) (-) Voltage (V) (Approx.) Hood switch Connector Terminal E57 1 Ground 12 Is the inspection result normal?
YES: GO TO 3.
NO: GO TO 2.
- CHECK HOOD SWITCH SIGNAL CIRCUIT 2
- Disconnect IPDM E/R connector.
- Check continuity between IPDM E/R harness connector and hood switch harness connector.
IPDM E/R Hood switch Continuity Connector Terminal Connector Terminal E13 32 E57 1 Existed - Check continuity between IPDM E/R harness connector and ground.
IPDM E/R Ground Continuity Connector Terminal E13 32 Not existed Is the inspection result normal?
YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.
- CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch harness connector and ground.
Hood switch Ground Continuity Connector Terminal E57 2 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair or replace harness.
- CHECK HOOD SWITCH
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 5.
NO: Replace hood switch.
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
: INSPECTION END