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 TRANSFER ROTARY POSITION SENSOR POWER SUPPLY

Turn the ignition switch OFF.
Connect transfer rotary position sensor harness connector.
Turn the ignition switch ON.
CAUTION: Never start the engine.

Check the voltage between transfer rotary position sensor harness connector and ground.

Transfer rotary position sensor		-	Voltage (Approx.)
Connector	Terminal
F219 (Cummins 5.0L)	2	Ground	5 V
F18 (VK56VD)

Is the inspection result normal?

YES

GO TO 3 .

GO TO 2 .

CHECK TRANSFER ROTARY POSITION SENSOR CIRCUIT

Turn the ignition switch OFF.
Disconnect transfer control unit harness connector.

Check the continuity between transfer control unit harness connector and transfer rotary position sensor harness connector.

Transfer control unit		Transfer rotary position sensor		Continuity
Connector	Terminal	Connector	Terminal
E142	5	F219 (Cummins 5.0L)	2	Yes
		F18 (VK56VD)

Check the continuity between transfer rotary position sensor harness connector and ground.

Transfer rotary position sensor		-	Continuity
Connector	Terminal
F219 (Cummins 5.0L)	2	Ground	No
F18 (VK56VD)

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace error-detected parts.

CHECK 4WD SHIFT SWITCH POWER SUPPLY

Turn the ignition switch OFF.
Connect 4WD shift switch harness connector.
Turn the ignition switch ON.
CAUTION: Never start the engine.

Check the voltage between 4WD shift switch harness connector and ground.

4WD shift switch

Voltage

(Approx.)

Connector

Terminal

M141

Ground

5 V

Is the inspection result normal?

YES

Inspection End.

GO TO 4 .

CHECK 4WD SHIFT SWITCH CIRCUIT

Turn the ignition switch OFF.
Disconnect transfer control unit harness connector.

Check the continuity between transfer control unit harness connector and 4WD shift switch harness connector.

Transfer control unit		4WD shift switch		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E142	9	M141	3	Yes

Check the continuity between 4WD shift switch harness connector and ground.

4WD shift switch		-	Continuity
Connector	Terminal
M141	3	Ground	No

Is the inspection result normal?

YES

Inspection End.

Repair or replace error-detected parts.