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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Symptom Diagnosis >> Rear LH Side Power Window Does Not Operate >> Diagnosis Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnosis Procedure

  1. CHECK DTC WITH BCM

    Check that DTC is not detected with BCM. 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 REAR POWER WINDOW SWITCH LH

    Check rear power window switch LH.

    Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace the malfunctioning parts.

  3. CHECK REAR POWER WINDOW MOTOR LH

    Check rear power window motor LH.

    Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace the malfunctioning parts.

  4. REPLACE REAR POWER WINDOW MOTOR LH

    Replace rear power window motor LH.

    Refer to REMOVAL AND INSTALLATION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

  5. CONFIRM THE OPERATION

    Confirm the operation again.

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    GO TO STEP   1  .