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Home >> Infiniti >> 2016 >> QX60 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Driver Assistance System (Symptom Diagnosis & Removal And Installation) (DCA) (Except Hybrid) >> Symptom Diagnosis >> Frequently Cannot Detect The Vehicle Ahead / Detection Zone Is Short >> Diagnosis Procedure

Diagnosis Procedure

  1. VISUAL CHECK (1)

    Check the contamination and foreign matter on the ICC sensor area of the front bumper.

    Does foreign material exist?

    YES 

    GO TO STEP 3. 

    NO 

    GO TO STEP 2. 

  2. VISUAL CHECK (2)

    1. Remove for front bumper. Refer to FRONT BUMPER .
    2. Check ICC sensor for contamination and foreign material.

    Does foreign material exist?

    YES 

    GO TO 3.

    NO 

    GO TO 4.

  3. CLEAN DIRT AND FOREIGN MATERIALS

    Clean the contamination and foreign material from the area around the ICC sensor body window.

    GO TO STEP   8 . 

  4. VISUAL CHECK (3)

    Check ICC sensor for cracks and scratches.

    Are there any cracks or scratches?

    YES 

    GO TO STEP 6. 

    NO 

    GO TO STEP 5. 

  5. ADJUST ICC SENSOR ALIGNMENT

    1. Install the front bumper. Refer to REMOVAL AND INSTALLATION .
    2. Adjust the ICC sensor alignment.
    3. Perform ICC system action test. Refer to DESCRIPTION .
    4. Check that the vehicle ahead detection performance improves.

    Does it improve?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 6. 

  6. REPLACE ICC SENSOR

    1. Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .
    2. Install the front bumper. Refer to REMOVAL AND INSTALLATION .
    3. Adjust the ICC sensor alignment.
    4. Perform ICC system action test. Refer to DESCRIPTION .
    5. Check that the vehicle ahead detection performance improves.

    Does it improve?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 7. 

  7. REPLACE ADAS CONTROL UNIT

    Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .

    GO TO STEP 8. 

  8. CHECK ICC SYSTEM

    1. Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test. (Refer to DESCRIPTION for action test.)
    2. Check that the ICC system is normal.

    INSPECTION END