Automatic Drive Positioner (DTC/Circuit Diagnosis)

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 SLIDING MOTOR LH POWER SUPPLY

CONSULT

Turn the ignition switch to ACC.
Perform "SEAT SLIDE" in "Active Test" mode of "AUTO DRIVE POS.".

Check voltage between driver seat control unit harness connector B223 and ground.

(+)		(-)	Condition		Voltage (Approx.)
Driver seat control unit
Connector	Terminal
B223	36	Ground	SEAT SLIDE	OFF	0 V
				FR (forward)	0 V
				RR (backward)	Battery voltage
	44			OFF	0 V
				FR (forward)	Battery voltage
				RR (backward)	0 V

Is the inspection result normal?

YES

Replace sliding motor LH. Refer to Removal and Installation .

GO TO STEP 2 .

CHECK SLIDING MOTOR LH CIRCUIT

Turn ignition switch OFF.
Disconnect driver seat control unit and sliding motor LH.

Check continuity between driver seat control unit harness connector B223 and sliding motor LH harness connector B226.

Driver seat control unit		Sliding motor LH		Continuity
Connector	Terminal	Connector	Terminal
B223	36	B226	1	Yes
	44		5

Check continuity between driver seat control unit harness connector B223 and ground.

Driver seat control unit connector		Ground	Continuity
Connector	Terminal
B223	36		No
	44

Is the inspection result normal?

YES

GO TO STEP 3

Repair or replace harness.

CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .

Is the inspection result normal?

YES

Replace driver seat control unit. Refer to Removal and Installation .

NO

Repair or replace the malfunctioning part.