Lifting Switch (Front) Circuit Inspection

Without CONSULT-II 

With "LIFT FR SW-UP, LIFT FR SW-DN" on the DATA MONITOR, operate the lifting switch (front) to check ON/OFF operation.

Fig 1: CONSULT-II Screen Display - LIFT FR SW-UP, LIFT FR 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	13	Ground	Lifting switch (front) ON (DOWN operation)	0
   			Other than above	Battery voltage
   	28		Lifting switch (front) 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: Lifting switch (front) 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 13, 28 and power seat switch LH connector P2 terminals 5, 6.

   13 - 5: Continuity should exist. 

   28 - 6: Continuity should exist. 

3. Check continuity between driver seat control unit connector P2 terminals 13, 28 and ground

   13 - Ground: Continuity should not exist. 

   28 - Ground: Continuity should not exist. 

   Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector P2 Terminals 13, 28 And Power Seat Switch LH Connector P2 Terminals 5, 6

   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 ".