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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Power Window Control System (Except Hybrid)) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Rear Power Window Switch >> 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 POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect rear power window switch LH connector and rear power window switch RH connector.
    3. Turn ignition switch ON.
    4. Check voltage between rear power window switch harness connector and ground.
    (+) (-) Voltage
    (Approx.)
    Rear power window switch
    Connector Terminal
    LH D256 10 Ground Battery voltage
    RH D356

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    GO TO STEP 2. 

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check continuity between BCM harness connector and rear power window switch harness connector.
      BCM Rear power window switch Continuity
      Connector Terminal Connector Terminal
      M81 141 LH D256 10 Yes
      RH D356

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  3. CHECK GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check continuity between rear power window switch harness connector and ground.
      Rear power window switch Ground Continuity
      Connector Terminal
      LH D256 11 Yes
      RH D356

    Is the inspection result normal?

    YES 

    GO TO STEP 4. 

    NO 

    Repair or replace harness.

  4. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.