Check Rear Lifting Sensor Circuit

With CONSULT-II 

Check operation with "LIFT RP PULSE" on the DATA MONITOR to make sure pulse changes.

Fig 1: CONSULT II Display - Data Monitor

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

Without CONSULT-II 

1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector ground, with oscilloscope.
   TERMINAL SIGNAL CHART
   
   

   Connector	Terminals (Wire color)		Condition	Signal (Reference value)
   	(+)	(-)
   B152	30 (R/W)	Ground	Rear lifting motor operation

   Fig 2: Identifying Signal Between Driver Seat Control Unit Connector Ground

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

OK or NG 

OK : Rear lifting sensor circuit is OK.

NG : GO TO 2.

1. Disconnect driver seat control unit connector and rear lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 28C, 30 and rear lifting motor connector B162 terminals 28B, 30.

   28C (B/W) - 28B (B/W) : Continuity should exist. 

   30 (R/W) - 30 (R/W) : Continuity should exist. 

3. Check continuity between driver seat control unit connector B152 terminals 28C, 30 and ground.

   28C (B/W) - Ground : Continuity should not exist. 

   30 (R/W) - Ground : Continuity should not exist. 

   Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector B152 Terminals 28C, 30 And Ground

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

OK or NG 

OK : Replace rear lifting motor.

NG : Repair or replace harness between driver seat control unit and rear lifting motor.