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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Automatic Drive Positioner (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> Telescopic Sensor >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK TELESCOPIC SENSOR SIGNAL

    1. Turn ignition switch ON.
    2. Check voltage signal between driver seat control unit connector and ground with oscilloscope.
    (+) (+)-) Condition Voltage (V)
    (Approx.)
    Driver seat control unit
    Connector Terminals
    B0029 12 Ground Steering column Operate
    GNSJMJIA0119ZZ-119Courtesy 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 STEP 2. 

  2. CHECK TELESCOPIC SENSOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and telescopic motor.
    3. Check continuity between driver seat control unit harness connector and telescopic motor harness connector.
      Driver seat control unit Telescopic motor Continuity
      Connector Terminal Connector Terminal
      B0029 12 M94 4 Yes
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B0029 12 No

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair or replace harness.

  3. CHECK TELESCOPIC SENSOR POWER SUPPLY

    1. Connect driver seat control unit.
    2. Turn ignition switch ON.
    3. Check voltage between telescopic motor harness connector and ground.
      (+) (+)-) Voltage (V)
      (Approx.)
      Telescopic motor
      Connector Terminals
      M94 5 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 5. 

    NO 

    GO TO STEP 4. 

  4. CHECK TELESCOPIC SENSOR POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect automatic drive positioner control unit.
    3. Check continuity between automatic drive positioner control unit harness connector and telescopic motor harness connector.
      Automatic drive positioner control unit Telescopic motor Continuity
      Connector Terminal Connector Terminal
      M34 27 M94 5 Yes
    4. Check continuity between automatic drive positioner control unit harness connector and ground.
      Automatic drive positioner control unit Ground Continuity
      Connector Terminal
      M34 27 No

    Is the inspection result normal?

    YES 

    Replace automatic drive positioner control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  5. CHECK TELESCOPIC SENSOR GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect automatic drive positioner control unit.
    3. Check continuity between automatic drive positioner control unit harness connector and telescopic motor harness connector.
      Automatic drive positioner control unit Telescopic motor Continuity
      Connector Terminal Connector Terminal
      M33 20 M94 3 Yes

    Is the inspection result normal?

    YES 

    Replace telescopic motor. Refer to EXPLODED VIEW .

    NO 

    Repair or replace harness.

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