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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 >> Tilt 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 TILT 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 28 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 TILT SENSOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and tilt motor.
    3. Check continuity between driver seat control unit harness connector and tilt motor harness connector.
      Driver seat control unit Tilt motor Continuity
      Connector Terminal Connector Terminal
      B0029 28 M85 4 Yes
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B0029 28 No

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair or replace harness.

  3. CHECK TILT SENSOR POWER SUPPLY

    1. Connect driver seat control unit.
    2. Turn ignition switch ON.
    3. Check voltage between tilt motor harness connector and ground.
      (+) (+)-) Voltage (V)
      (Approx.)
      Tilt motor
      Connector Terminals
      M85 5 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 5. 

    NO 

    GO TO STEP 4. 

  4. CHECK TILT 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 tilt motor harness connector.
      Automatic drive positioner control unit Tilt motor Continuity
      Connector Terminal Connector Terminal
      M34 27 M85 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 or connector.

  5. CHECK TILT 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 tilt motor harness connector.
      Automatic drive positioner control unit Tilt motor Continuity
      Connector Terminal Connector Terminal
      M33 20 M85 3 Yes

    Is the inspection result normal?

    YES 

    Replace tilt motor. Refer to EXPLODED VIEW .

    NO 

    Repair or replace harness.

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