Check Reclining Motor Circuit

CHECK SEAT RECLINING MECHANISM
Check following.
- Operation malfunction caused by an interference with the center pillar or center console
- Operation malfunction and interference with other parts by poor installation
OK or NG
- OK : GO TO 2.
- NG : Repair the malfunction part and check again.

CHECK FUNCTIONAL

With CONSULT-II

Check operation with "SEAT RECLINING" in ACTIVE TEST.

TEST ITEM DESCRIPTION

Test item	Description
SEAT RECLINING	The reclining motor is activated by receiving the drive signal.

Fig 1: Display CONSULT II - Active Test Screen

G04130124

Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Perform the self-diagnosis. Refer to "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSITIONER ".

OK or NG

OK : System is OK.
NG : GO TO 3.

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and reclining motor connector.
3. Check continuity between driver seat control unit connector B142 terminals 2, 9 and reclining motor connector B147 terminals 2, 9.
  2 (G) - 2 (G) : Continuity should exist.
  
  9 (LG) - 9 (LG) : Continuity should exist.
4. Check continuity between driver seat control unit connector B142 terminals 2, 9 and ground.
  2 (G) - Ground : Continuity should not exist.
  
  9 (LG) - Ground : Continuity should not exist.
  
  Fig 2: Identifying Continuity Between Driver Seat Control Unit Connector B142 Terminals 2, 9 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : GO TO 4.
- NG : Repair or replace harness between driver seat control unit and reclining motor.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

Connect the driver seat control unit and reclining motor connector.

Check voltage between driver seat control unit connector.

CONNECTORS VOLTAGE REFERENCE

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
B142	2 (G)	Ground	Reclining switch (forward operation)	Battery voltage
	2 (G)		Reclining switch OFF	0
	9 (LG)		Reclining switch (backward operation)	Battery voltage
	9 (LG)		Reclining switch OFF	0

OK or NG

OK : Replace reclining motor.
NG : Replace driver seat control unit.

Fig 3: Identifying Voltage Between Driver Seat Control Unit Connector
Courtesy of NISSAN MOTOR CO., U.S.A.