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Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Body & Frame >> Seats >> Automatic Drive Positioner >> Check Reclining Motor Circuit

Check Reclining Motor Circuit

  1. CHECK SEAT RECLINING MECHANISM 

    Check the following.

    • Operation malfunction caused by an interference with the center pillar or center console
    • Operation malfunction and interference with other parts by poor installation

    OK or NG 

    OK:

    • GO TO 2 (With CONSULT-II).
    • GO TO  3 (Without CONSULT-II).

    NG: Repair the malfunctioning part and check again.

  2. CHECK FUNCTION 

    With CONSULT-II 

    Check operation with "SEAT RECLINING" in ACTIVE TEST.

    Fig 1: Identifying CONSULT II Display - ACTIVE TEST
    G04902978Courtesy of NISSAN MOTOR CO., U.S.A.
    SEAT RECLINING FUNCTION

    Test item Description
    SEAT RECLINING The reclining motor is activated by receiving the drive signal.

    OK or NG 

    OK: Reclining motor circuit is OK.

    NG: GO TO 3.

  3. CHECK RECLINING MOTOR HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector and reclining motor connector.
    3. Check continuity between driver seat control unit connector B153 terminals 4, 12 and reclining motor connector B166 terminals 4, 12.

      4 (G/L) - 4 (G/L) : Continuity should exist. 

      12 (G/Y) - 12 (G/Y) : Continuity should exist. 

    4. Check continuity between driver seat control unit connector B153 terminals 4, 12 and ground.

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

      12 (G/Y) - Ground : Continuity should not exist. 

      Fig 2: Checking Reclining Motor Harness Continuity
      G05221486Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness between driver seat control unit and reclining motor.

  4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL 
  1. Connect the driver seat control unit.
  2. Reclining switch operate, check voltage between driver seat control unit connector and ground.
    3. Fig 3: Identifying Voltage Between Driver Seat Control Unit Connector And Ground
    G05221487Courtesy of NISSAN MOTOR CO., U.S.A.
DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

Connector Terminals (Wire color) Reclining switch condition Voltage (V) (Approx.)
(+) (-)
B153 4 (G/L) Ground FORWARD Battery voltage
Other than above 0
12 (G/Y) BACKWARD Battery voltage
Other than above 0

OK or NG 

OK: Replace reclining motor.

NG: Replace driver seat control unit.

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