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 TRANSFER CONTROL UNIT
CONSULT
1. Turn the ignition switch ON.
2. Select "Self Diagnostic Result" mode of "ALL MODE AWD/4WD".
Is any DTC detected?

YES

Check DTC detected item. Refer to DTC Index .

NO

GO TO 2 .

CHECK 4WD INDICATOR SIGNAL

With CONSULT

Start the engine.
CAUTION: Do not drive the vehicle.
Turn the 4WD shift switch 2WD → 4H → 4LO.

Check "4WD MODE IND" in "Data Monitor" mode of "ALL MODE AWD/4WD".

Monitor item	Condition	Status
4WD MODE IND	4WD shift switch: 2WD	2WD
	4WD shift switch: 4H	LOCK
	4WD shift switch: 4LO	4L

Is the inspection result normal?

YES

Check input/output signals of combination meter. Refer Reference Value (TYPE A), Reference Value (TYPE B).

Replace transfer control unit. Refer to Removal and Installation .