Check Sliding Sensor Circuit

Check the operation malfunction caused by sliding rail deformation or parts are loose.

OK or NG 

• OK : GO TO 2.
• NG : Repair the malfunctioning part and check again.

1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
   CONNECTORS VOLTAGE REFERENCE
   
   

   Connector	Terminals (Wire color)		Condition	Signal (Reference valve)
   	(+)	(-)
   B143	20 (G/B)	Ground	Sliding motor operation

OK or NG 

• OK : System is OK.
• NG : GO TO 3.
  Fig 1: Identifying Signal Between Driver Seat Control Unit Connector And Ground

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

1. Disconnect driver seat control unit connector and sliding motor connector.
2. Check continuity between driver seat control unit connector B143 terminals 20, 32 and sliding motor B146 terminals 20, 32A.

   20 (G/B) - 20 (G/B) : Continuity should exist. 

   32 (R/W) - 32A (R/W) : Continuity should exist. 

3. Check continuity between driver seat control unit B143 terminals 20, 32 and ground.

   20 (G/B) - Ground : Continuity should not exist. 

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

   Fig 2: Identifying Continuity Between Driver Seat Control Unit B143 Terminals 20, 32 And Ground

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

OK or NG 

• OK : Replace sliding motor.
• NG : Repair or replace harness between driver seat control unit and sliding motor.