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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Symptom Diagnosis >> Driver Side Power Window Does Not Operate >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC WITH LEFT FRONT DOOR CONTROL UNIT

    Check that DTC is not detected with left front door control 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 POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT

    Check front power window motor (driver side) power supply and ground circuit.

    Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace the malfunctioning parts.

  3. CHECK POWER WINDOW MAIN SWITCH

    Check power window main switch.

    Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace the malfunctioning parts.

  4. CHECK FRONT POWER WINDOW MOTOR (DRIVER SIDE)

    Check front power window motor (driver side).

    Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Repair or replace the malfunctioning parts.

  5. REPLACE FRONT POWER WINDOW MOTOR (DRIVER SIDE)

    Replace front power window motor (driver side).

    Refer to REMOVAL AND INSTALLATION .

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Replace left front door control unit. Refer to REMOVAL AND INSTALLATION .

  6. 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  .