Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK RECLINING MOTOR LH POWER SUPPLY

Turn the ignition switch to ACC.
Perform "Active test" ("SEAT RECLINING") with CONSULT.

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

Terminal			Test Item		Voltage (V) (Approx.)
(+)		(-)
Driver seat control unit connector	Terminal	(-)
B203	36	Ground	SEAT RECLINING	OFF	0
				FR (forward)	Battery voltage
				RR (backward)	0
	44			OFF	0
				FR (forward)	0
				RR (backward)	Battery voltage

Fig 1: Checking Voltage Between Driver Seat Control Unit Harness Connector B203 And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Replace reclining motor LH. Refer to "EXPLODED VIEW ".

NO: GO TO 2

CHECK RECLINING MOTOR LH CIRCUIT

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

Check continuity between driver seat control unit harness connector and reclining motor harness connector.

Driver seat control unit connector	Terminal	Reclining motor LH connector	Terminal	Continuity
B203 (A)	36	B232 (B)	2	Yes
B203 (A)	44	B232 (B)	3	Yes

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

Driver seat control unit connector	Terminal	Ground	Continuity
B203 (A)	36		No
	44

Fig 2: Checking Continuity Between Driver Seat Control Unit Harness Connector B203 And Reclining Motor Harness Connector B232 Terminals

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: GO TO 3

NO: Repair or replace harness.

CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal?

YES: Replace driver seat control unit. Refer to "EXPLODED VIEW ".

NO: Repair or replace the malfunctioning part.