Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HOOD SWITCH SIGNAL CIRCUITS
- Turn ignition switch OFF.
- Disconnect hood switch connector.
- Check voltage between hood switch harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Hood switch
Connector
Terminal
E94
3
Ground
Battery voltage
2
Is the inspection result normal?
YES
.
NO
.
- CHECK HOOD SWITCH SIGNAL CIRCUITS
- 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
E130
71
E94
3
Yes
E122
46
2
- Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E130
71
No
E122
46
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .
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
E94
1
Yes
Is the inspection result normal?
YES
.
NO
Repair or replace harness.
- CHECK HOOD SWITCH
Refer to Component Inspection .
Is the inspection result normal?
YES
.
NO
Replace hood switch. Refer to Removal and Installation .
- CHECK BCM CONFIGURATION
Refer to Configuration List .
Inspection End.