Check Rear Lifting Motor Circuit

CHECK REAR 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

OK :
- GO TO 2 (With CONSULT-II).
- GO TO 3 (Without CONSULT-II).
NG : Repair the malfunctioning part and check again.

CHECK FUNCTION

With CONSULT-II

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

DESCRIPTION CHART

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

OK or NG

OK : Rear lifting motor check is OK.

NG : GO TO 3.

Fig 1: CONSULT-II Function Display - Active Test

G04077640

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

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, 7 and rear lifting motor connector B162 terminals 6, 7.
  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 connector B153 terminals 6, 7 and ground.
  6 (G/W) - Ground : Continuity should not exist.
  
  7 (G/B) - Ground : Continuity should not exist.
  
  Fig 2: Identifying Continuity Between Driver Seat Control Unit Connector B153 Terminals 6, 7 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 rear lifting motor.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

Connect the driver seat control unit connector.

Rear lifting switch operate, check voltage between driver seat control unit connector and ground.

TERMINAL VOLTAGE CHART

Connector	Terminals (Wire color)		Rear lifting switch condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Rear lifting switch condition	Voltage (V) (Approx.)
B153	6 (G/W)	Ground	UP	Battery voltage
	6 (G/W)		Other than above	0
	7 (G/B)		DOWN	Battery voltage
	7 (G/B)		Other than above	0

Fig 3: Identifying Voltage Between Driver Seat Control Unit Connector And Ground

G04077642

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

OK or NG

OK : Replace rear lifting motor.

NG : Replace driver seat control unit.