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Reclining Switch Inspection

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  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

    Monitor item [OPERATION or UNIT] Contents
    RECLN SW-FR "ON/OFF" ON/OFF status judged from the reclining switch (FR) signal is displayed.
    RECLIN SW-RR "ON/OFF" ON/OFF status judged from the reclining switch (RR) signal is displayed.
    Fig 1: Displaying "RECLINING SW-FR, RECLINING SW-RR" on DATA MONITOR
    G03359212Courtesy 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 (WIRE COLOR)

      Connector Terminals (Wire color) Condition Voltage (V) (Approx)
      (+) (-)
      B303 12 (G/Y) Ground Reclining switch ON (RR operation) 0
      Reclining switch OFF Battery voltage
      27 (L/W) Reclining switch ON (FR operation) 0
      Reclining switch OFF Battery voltage
      Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G03359213Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Reclining switch circuit is OK.
    2. NG : GO TO 2.
  2. CHECK RECLINING SWITCH CIRCUIT HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector and power seat switch connector.
    2. Check continuity between driver seat control unit connector B303 terminals 12 (G/Y), 27 (L/W) and power seat switch connector B305 terminals 12 (G/Y), 27 (L/W).
      1. 12 (G/Y) - 12 (G/Y): Continuity should exist. 
      2. 27 (L/W) - 27 (L/W): Continuity should exist. 
    3. Check continuity between driver seat control unit connector B303 terminals 12 (G/Y), 27 (L/W) and ground.
      1. 12 (G/Y) - Ground: Continuity should not exist. 
      2. 27 (L/W) - Ground: Continuity should not exist. 
      Fig 3: Checking Continuity Between Connector B303 terminals 12, 27 And Power Seat Switch Connector B305 Terminals 12, 27, And Between Connector B303 Terminals 12, 27 And Ground
      G03359214Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO 3.
    2. NG : Repair or replace harness between driver seat control unit and power seat switch.
  3. RECLINING SWITCH INSPECTION 

    Check continuity between driver seat switch as follows.

    TERMINALS (WIRE COLOR)

    Connector Terminals (Wire color) Condition Voltage (V) (Approx)
    (+) (-)
    B305 12 32A Reclining switch ON (RR operation) Yes
    Reclining switch OFF No
    27 Reclining switch ON (FR operation) Yes
    Reclining switch OFF No

    OK or NG

    1. OK : Check the condition of the harness and connector.
    2. NG : Replace power seat switch.
    Fig 4: Checking Continuity Between Driver Seat Switch Terminals 12, 27 And 32A
    G03359215Courtesy of NISSAN MOTOR CO., U.S.A.
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