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Check Reclining Switch

  1. CHECK FUNCTION 

    With CONSULT-II 

    With "RECLINING SW-FR, RECLINING SW-RR" on the DATA MONITOR, operate the reclining switch to check ON/OFF operation.

    MONITOR ITEM CHART

    Monitor item [OPERATION or UNIT] Contents
    RECLN SW - FR "ON/OFF" ON/OFF status judged from the reclining switch (FR) signal is displayed.
    RECLN SW - RR "ON/OFF" ON/OFF status judged from the reclining switch (RR) signal is displayed.
    Fig 1: CONSULT-II Function Display - DATA MONITOR
    G04077699Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Reclining switch operate, check voltage between driver seat control unit connector and ground.
      TERMINAL VOLTAGE CHART

      Connector Terminals (Wire color) Reclining switch condition Voltage (V) (Approx.)
      (+) (-)
      B152 25 (L/OR) Ground FORWARD 0
      Other than above Battery voltage
      38 (LG/B) BACKWARD 0
      Other than above Battery voltage
      Fig 2: Identifying Voltage Between Driver Seat Control Unit Connector And Ground
      G04077700Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Reclining switch circuit is OK.

    NG : GO TO 2.

  2. CHECK HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector and power seat switch connector.
    2. Check continuity between driver seat control unit connector B152 terminals 25, 38 and power seat switch connector B175 terminals 25, 38.

      25 (L/OR) - 25 (L/OR) : Continuity should exist. 

      38 (LG/B) - 38 (LG/B) : Continuity should exist. 

    3. Check continuity between driver seat control unit connector B152 terminals 25, 38 and ground.

      25 (LO/R) - Ground : Continuity should not exist. 

      38 (LG/B) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector B152 Terminals 25, 38 And Ground
      G04077701Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness between driver seat control unit and power seat switch.

  3. CHECK RECLINING SWITCH 

    Reclining switch operate, check continuity between power seat switch connector B175 terminal 25, 38 and 61B.

    TERMINAL CONTINUITY CHART

    Connector Terminal Reclining switch condition Continuity
    B175 25 61B FORWARD Yes
    Other than above No
    38 BACKWARD Yes
    Other than above No

    OK or NG 

    OK : Check the condition of the harness and connector.

    NG : Replace power seat switch.

    Fig 4: Identifying Continuity Between Power Seat Switch Connector B175 Terminal 25, 38 And 61B
    G04077702Courtesy of NISSAN MOTOR CO., U.S.A.
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