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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 >> Lifting Switch (Rear) >> 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 LIFTING SWITCH (REAR) SIGNAL

    1. Turn ignition switch OFF.
    2. Check voltage between driver seat control unit harness connector and ground.
    (+) (+)-) Condition Voltage (V)
    (Approx.)
    Driver seat control unit
    Connector Terminals
    B0029 6 Ground Lifting switch
    (rear)    		 Operate (downward) 0
    Release Battery voltage
    22 Operate (upward) 0
    Release Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP   5  .

    NO 

    GO TO STEP 2  .

  2. CHECK LIFTING SWITCH (REAR) CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and power seat switch LH.
    3. Check continuity between driver seat control unit harness connector and power seat switch LH harness connector.
      Driver seat control unit Power sear switch LH Continuity
      Connector Terminal Connector Terminal
      B0029 6 B208 2 Yes
      22 1
    4. Check continuity between driver seat control unit harness connector and ground.
      Driver seat control unit Ground Continuity
      Connector Terminal
      B0029 6 No
      22

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT

    1. Connect the driver seat control unit.
    2. Turn ignition switch ON.
    3. Check voltage between driver seat control unit harness connector and ground.
    (+) (+)-) Voltage (V)
    (Approx.)
    Driver seat control unit
    Connector Terminals
    B0029 6 Ground Battery voltage
    22

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .

  4. CHECK LIFTING SWITCH (REAR)

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Replace power seat switch LH. Refer to REMOVAL AND INSTALLATION .

  5. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Is the inspection result normal?

    YES 

    Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace the malfunctioning part.

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