Front Lifting Switch Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION
With CONSULT-II

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

Fig 1: Front Lifting Switch Circuit - Monitor Item Contents Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: DATA MONITOR - CONSULT II Display Screen
Courtesy of NISSAN MOTOR CO., U.S.A.

With CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit P2 and ground.
  
  Fig 3: Terminals Voltage Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Front lifting switch circuit is OK.
- NG: GO TO 2.
  
  Fig 4: Checking Voltage Between Driver Seat Control Unit P2 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK POWER SEAT SWITCH HARNESS CONTINUITY
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 driver seat switch connector P8 terminals 5, 6.
  13 (W) - 6 (W): Continuity should exist.
  
  28 (BR) - 5 (BR): Continuity should exist.
3. Check continuity between driver seat control unit connector P2 terminals 13, 28 and ground
  13 (W) - Ground: Continuity should not exist.
  
  28 (BR) - Ground: Continuity should not exist.
OK or NG
- OK: GO TO 3.
- NG: Repair or replace harness.
  
  Fig 5: Checking Power Seat Switch Harness Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK FRONT LIFTING SWITCH
Check continuity between power seat switch LH as follows.

Fig 6: Terminals Continuity Reference Chart
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.
  
  Fig 7: Checking Continuity Between Power Seat Switch LH
  Courtesy of NISSAN MOTOR CO., U.S.A.