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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Symptom Diagnosis >> Keyless Power Window Down Does Not Operate >> Diagnosis Procedure >> Rear
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Diagnosis Procedure: Rear

  1. CHECK DTC WITH INTELLIGENT KEY UNIT

    Check that DTC is not detected with intelligent key unit. Refer to DTC INDEX

    Is DTC detected?

    YES 

    Perform diagnosis procedure on the detected DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. CHECK DOOR LOCK OPERATION

    Check door lock/unlock using Intelligent Key.

    Does door lock/unlock using Intelligent Key?

    YES 

    GO TO STEP 3 

    NO 

    Refer to DTC INDEX .

  3. CHECK POWER WINDOW MOTOR

    Check rear power window motor. Refer to COMPONENT FUNCTION CHECK (rear LH) or COMPONENT FUNCTION CHECK (rear RH).

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Replace rear power window motor LH or rear power window motor RH. Refer to REMOVAL AND INSTALLATION .

  4. REPLACE BCM

    1. Replace BCM. Refer to REMOVAL AND INSTALLATION .
    2. Confirm the operation again.

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .