Lifting Switch (Rear) Circuit Inspection

With CONSULT-II 

With "LIFT RR SW-UP, LIFT RR SW-DN" on the DATA MONITOR, operate the rear lifting switch to check ON/OFF operation.

Fig 1: CONSULT-II Screen Display - LIFT RR SW-UP, LIFT RR SW-DN On DATA MONITOR

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

Without CONSULT-II 

1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
   TERMINALS VOLTAGE REFERENCE
   
   

   Connector	Terminals		Condition	Voltage (V) (Approx.)
   	(+)	(-)
   P2	14	Ground	Lifting switch (rear) ON (DOWN operation)	0
   			Other than above	Battery voltage
   	29		Lifting switch (rear) ON (UP operation)	0
   			Other than above	Battery voltage

   Fig 2: Identifying Voltage Between Driver Seat Control Unit Connector And Ground

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

OK or NG 

OK: Rear lifting switch circuit is OK.

NG: GO TO 2.

1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 14, 29 and power seat switch connector P8 terminals 2, 8.

   14 - 8: Continuity should exist. 

   29 - 2: Continuity should exist. 

3. Check continuity between driver seat control unit connector P2 terminals 14, 29 and ground.

   14 - Ground: Continuity should not exist. 

   29 - Ground: Continuity should not exist. 

   Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector P2 Terminals 14, 29 And Power Seat Switch Connector P8 Terminals 2, 8

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

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Check continuity between power seat switch LH terminals as follows.

Fig 4: Identifying Continuity Between Power Seat Switch LH Terminals

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

OK or NG 

OK: Check the condition of the harness and connector.

NG: Replace power seat switch LH. Refer to "FRONT SEAT ".