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Home › Infiniti › 2012 › EX35 Base, AWD › Repair and Diagnosis › Body & Frame › Seats › Automatic Drive Positioner System › DTC/Circuit Diagnosis › Sliding Sensor › Diagnosis Procedure

Diagnosis Procedure

  1. CHECK SLIDING SENSOR SIGNAL
    1. Turn ignition switch ON.
    2. Check voltage signal between driver seat control unit harness connector and ground with oscilloscope.
      (+) (-) Condition Voltage (V) (Approx.)
      Driver seat control unit
      Connector Terminal
      B451 24 Ground Seat sliding Operate
      G05223234Courtesy of NISSAN NORTH AMERICA, INC.
      Other than above 0 or 5

      Is the inspection result normal? 

      YES: Replace driver seat control unit. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 2.

  2. CHECK SLIDING SENSOR CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and sliding sensor connector.
    3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.
      Driver seat control unit Sliding sensor Continuity
      Connector Terminal Connector Terminal
      B451 24 B453 24 Existed
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B451 24 Not existed

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness or connector.

  3. CHECK SLIDING SENSOR POWER SUPPLY
    1. Connect driver seat control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between sliding sensor harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Sliding sensor
      Connector Terminal
      B453 16 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: GO TO 4.

  4. CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector.
    3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.
      Driver seat control unit Sliding sensor Continuity
      Connector Terminal Connector Terminal
      B451 16 B453 16 Existed
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B451 16 Not existed

      Is the inspection result normal? 

      YES: Replace driver seat control unit. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness or connector.

  5. CHECK SLIDING SENSOR GROUND
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector.
    3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.
      Driver seat control unit Sliding sensor Continuity
      Connector Terminal Connector Terminal
      B451 31 B453 31 Existed

      Is the inspection result normal? 

      YES: Replace sliding sensor.

      NO: Repair or replace harness or connector.

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