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 DTC OF IPDM E/R
CONSULT
Check DTC in "Self Diagnostic Result" mode of "IPDM E/R".
Is DTC detected?
YES
Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index .
NO
GO TO 2 .
- CHECK BCM POWER SUPPLY CIRCUIT
- Turn ignition switch ON.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Condition
Voltage
(Approx.)
BCM
Connector
Terminal
M19
62
Ground
Selector lever
N (Neutral) or P (Park) position
Battery voltage
Other than above
0
Is the inspection result normal?
YES
GO TO 4 .
NO
GO TO 3 .
- CHECK STARTER RELAY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R connector.
- Disconnect BCM connector.
- Check continuity between IPDM E/R harness connector and BCM harness connector.
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E122
44
M19
62
Yes
- Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E122
44
No
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 INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.