FixVault

Seat Memory Switch Circuit Inspection

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    With "SET SW, MEMORY SW 1, MEMORY SW 2" on the DATA MONITOR, operate the switch to check ON/OFF operation.

    DATA MONITOR REFERENCE

    Monitor item [OPERATION or UNIT] Contents
    MEMORY SW 1 "ON/OFF" ON/OFF status judged from the seat memory switch 1 signal is displayed.
    MEMORY SW 2 "ON/OFF" ON/OFF status judged from the seat memory switch 2 signal is displayed.
    SET SW "ON/OFF" ON/OFF status judged from the setting switch signal is displayed.

    Without CONSULT-II 

    GO TO 2.

    OK or NG 

    OK: Seat memory switch circuit is OK.

    NG: GO TO 2.

    Fig 1: CONSULT II Display - DATA MONITOR
    G04903055Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK SEAT MEMORY SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect seat memory switch.
    3. Operate the setting switch and seat memory switch.
    4. Check continuity between seat memory switch terminals as follows.
      TERMINALS CONTINUITY CHART

      Terminal Condition Continuity
      1 4 Memory switch 1: ON Yes
      Memory switch 1: OFF No
      2 Memory switch 2: ON Yes
      Memory switch 2: OFF No
      3 Set switch: ON Yes
      Set switch: OFF No

    OK or NG 

    OK: GO TO 3.

    NG: Replace seat memory switch. Refer to "FRONT DOOR ".

    Fig 2: Identifying Continuity Between Seat Memory Switch Connector Terminals 1, 2, 3 And Terminal 4
    G04907774Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect automatic drive positioner control unit.
    2. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and seat memory switch connector D5 terminals 1, 2, 3.

      9 - 1 : Continuity should exist. 

      24 - 3 : Continuity should exist. 

      25 - 2 : Continuity should exist. 

    3. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and ground.

      9 - Ground : Continuity should not exist. 

      24 - Ground : Continuity should not exist. 

      25 - Ground : Continuity should not exist. 

      Fig 3: Checking Continuity Between Automatic Drive Positioner Control Unit Connector M41 Terminals 9, 24, 25 And Ground, And Between Connector M41 Terminals 9, 24, 25 And Seat Memory Switch Connector D5 Terminals 1, 2, 3
      G04903057Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK SEAT MEMORY SWITCH GROUND CIRCUIT 

    Check continuity between seat memory switch D5 terminal 4 and ground.

    4 - Ground : Continuity should exist. 

    OK or NG 

    OK: Replace automatic drive positioner control unit.

    NG: Repair or replace harness.

    Fig 4: Checking Continuity Between Seat Memory Switch D5 Terminal 4 And Ground
    G04903058Courtesy of NISSAN MOTOR CO., U.S.A.