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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC B2091-07: High Beam Assist Control Module [Image Sensor] >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. VISUAL CHECK 1

    Check that there are no obstacles in front of the image sensor that adversely affect the sensor operation.

    Is the windshield free from obstacles?

    YES 

    GO TO STEP 2  .

    NO 

    Remove the obstacle in front of the image sensor.

  2. VISUAL CHECK 2

    Check that there is no dirt and foreign material clinging to the windshield in front of the image sensor.

    Is the windshield free from dirt and foreign material?

    YES 

    GO TO STEP 3  .

    NO 

    Remove dirt or foreign material from the windshield in front of the image sensor.

  3. VISUAL CHECK 3

    Check that there is no fog and mist clinging to the windshield in front of the image sensor.

    Is the windshield free from fog and mist?

    YES 

    GO TO STEP 4  .

    NO 

    Remove fog or mist from the windshield in front of the image sensor.

  4. VISUAL CHECK 4

    Check that there is no dirt and foreign material clinging on the lens of the image sensor.

    Is the windshield free from dirt and foreign material?

    YES 

    GO TO STEP 5  .

    NO 

    Remove contamination or foreign material from the lens of the image sensor.

  5. VISUAL CHECK 5

    Check that there is no fog and mist on the lens of the image sensor.

    Is the windshield free from fog and mist?

    YES 

    GO TO STEP 6  .

    NO 

    Remove fog or mist from the lens of the image sensor.

  6. VISUAL CHECK 6

    Check that there are no cracks on the lens of the image sensor.

    Is the lens free from cracks?

    YES 

    GO TO STEP 7  .

    NO 

    Replace inside mirror assembly (high beam assist control module). Refer to REMOVAL AND INSTALLATION .

  7. SELF DIAGNOSTIC RESULT CHECK

    G-20 With CONSULT

    1. Turn ignition switch ON.
    2. Select "Self Diagnostic Result" mode of "HIGH BEAM ASSIST" using CONSULT.
    3. Touch "ERASE".
    4. Turn ignition switch OFF.
    5. Perform DTC CONFIRMATION PROCEDURE. Refer to DTC DESCRIPTION .

    Is DTC detected again?

    YES 

    Replace inside mirror assembly (high beam assist control module). Refer to REMOVAL AND INSTALLATION .

    NO 

    INSPECTION END

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