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Check Seat Memory and Set Switch Circuit

WARNING: This page is about a different car, the 2006 Infiniti G35. 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 SW1, MEMORY SW2" on the DATA MONITOR, operate the switch to check ON/ OFF operation.

    MONITOR ITEM

    Monitor item [OPERATION or UNIT] Contents
    MEMORY SW1 "ON/OFF" ON/OFF status judged from the seat memory switch 1 signal is displayed.
    MEMORY SW2 "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.
    Fig 1: CONSULT-II Display - Data Monitor
    G04123138Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 2.

    OK or NG

    • OK : Seat memory switch circuit is OK.
    • NG : GO TO 2.
  2. CHECK SEAT MEMORY SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect seat memory switch connector.
    3. Check continuity between seat memory switch connector B328 terminal 7, 22, 23 and 32B.
    CONTINUITY SPECIFICATIONS

    Connector Terminals Condition Continuity
    B328 7 32B Memory switch 1: ON Yes
    Memory switch 1: OFF No
    22 Memory switch 2: ON Yes
    Memory switch 2: OFF No
    23 Set switch: ON Yes
    Set switch: OFF No
    Fig 2: Identifying Continuity Between Seat Memory Switch Connector B328 Terminal 7, 22, 23 And 32B
    G04123139Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO 3.
    • NG : Replace seat memory switch.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector.
    2. Check continuity between driver seat control unit connector B324 terminals 7, 22, 23 and seat memory switch connector B328 terminals 7, 22, 23.

      7 (L/G) - 7 (L/G) : Continuity should exist. 

      22 (L/B) - 22 (L/B) : Continuity should exist. 

      23 (L/W) - 23 (L/W) : Continuity should exist. 

    3. Check continuity between driver seat control unit connector M324 terminals 7, 22, 23 and ground.

      7 (L/G) - Ground : Continuity should not exist. 

      22 (L/B) - Ground : Continuity should not exist. 

      23 (L/W) - Ground : Continuity should not exist. 

    OK or NG

    • OK : GO TO 4.
    • NG : Repair or replace harness between driver seat control unit and seat memory switch.
  4. CHECK SEAT MEMORY SWITCH GROUND CIRCUIT 

    Check continuity between seat memory switch connector B328 terminal 32B and ground.

    Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector M324 Terminals 7, 22, 23 And Ground
    G04123140Courtesy of NISSAN MOTOR CO., U.S.A.

    32B (B) - Ground : Continuity should exist. 

    Fig 4: Identifying Continuity Between Seat Memory Switch Connector B328 Terminal 32B And Ground
    G04123141Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : Replace driver seat control unit.
    • NG : Repair or replace harness between seat memory switch and ground.