Rear Lifting Motor Circuit Inspection

CHECK REAR END SEAT LIFTING MECHANISM
Check the following.
- Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign materials
- Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
- Operation malfunction and interference with other parts by poor installation
OK or NG
1. OK: GO TO 2.
2. NG: Repair the malfunctioning part and check again.

CHECK FUNCTION

With CONSULT-II

Check operation with "SEAT LIFTER RR" in ACTIVE TEST.

Fig 1: CONSULT-II Display - SEAT LIFTER RR In ACTIVE TEST

G03107586

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

TEST ITEM DESCRIPTION

Test item	Description
SEAT LIFTER RR	The rear lifting motor is activated by receiving the drive signal.

Without CONSULT-II

GO TO 3.

OK or NG

OK: Rear lifting motor check is OK.
NG: GO TO 3.

CHECK REAR LIFTING HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and rear lifting motor connector.
3. Check continuity between driver seat control unit connector B153 terminals 6 (G/W), 7 (G/B) and lifting motor connector B162 terminals 6 (G/W), 7 (G/B).
  6 (G/W) - 6 (G/W): Continuity should exist.
  
  7 (G/B) - 7 (G/B): Continuity should exist.
4. Check continuity between driver seat control unit B153 terminals 6 (G/W), 7 (G/B) and ground.
  
  Fig 2: Checking Rear Lifting Harness Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  6 (G/W) - Ground: Continuity should not exist.
  
  7 (G/B) - Ground: Continuity should not exist.
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness between driver seat control unit and rear lifting motor.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

Connect the driver seat control unit and rear lifting motor.
Check voltage between driver seat control unit connector and ground.

Fig 3: Checking Driver Seat Control Unit Output Signal
Courtesy of NISSAN MOTOR CO., U.S.A.

TERMINAL VOLTAGE

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
B153	6 (G/W)	Ground	Rear lifting switch ON (UP operation)	Battery voltage
	6 (G/W)		Rear lifting switch OFF	0
	7 (G/B)		Rear lifting switch ON (DOWN operation)	Battery voltage
	7 (G/B)		Rear lifting switch OFF	0

OK or NG

OK: Replace rear lifting motor.
NG: Replace driver seat control unit.