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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Roof (Except Hybrid) >> Symptom Diagnosis >> Sunroof Does Not Operate Properly >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK GLASS LID 

    Check the following items.

    • Cracks, damage, or deformation of weather-strip.
    • Sticking of weather-strip.
    • Loose or missing glass lid mounting blot.
    • Misalignment of glass lid.

      Refer to Exploded View .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace the malfunctioning parts.

  2. CHECK SUNROOF FRAME ASSEMBLY 

    Check the following items.

    • Damage, deformation or trapped foreign material of slide rail.
    • Insufficient application of grease to sliding section of slide rail.

      Refer to Exploded View .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace the malfunctioning parts.

  3. CHECK SUNSHADE 

    Check sunshade for damage, deformation, of interference with other parts.

    Refer to Exploded View 

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace the malfunctioning parts.

  4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT 

    Check BCM power supply and ground circuit.

    Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace the malfunctioning parts.

  5. CHECK SUNROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT 

    Check sunroof motor assembly power supply and ground circuit.

    Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace the malfunctioning parts.

  6. CHECK SUNROOF SWITCH 

    Check sunroof switch.

    Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace the malfunctioning parts.

  7. CONFIRM THE OPERATION 

    Confirm the operation again.

    Is the result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    GO TO 1.