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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Driver Assistance System (DCA) (Except Hybrid) >> Symptom Diagnosis >> The System Does Not Detect The Vehicle Ahead At All >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK ICC SYSTEM DISPLAY ON INFORMATION DISPLAY 
    1. Start the self-diagnosis mode of combination meter. Refer to "DESCRIPTION ".
    2. Check that the information display turns ON normally.

    Is the inspection result normal? 

    YES: GO TO  2.

    NO: Replace the combination meter.

  2. VISUAL CHECK (1) 

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

    Do foreign material exist? 

    YES: GO TO  4.

    NO: GO TO  3.

  3. VISUAL CHECK (2) 
    1. Remove the front bumper. Refer to "REMOVAL AND INSTALLATION ".
    2. Check ICC sensor for contamination and forign material.

    Does foreign material exist? 

    YES: GO TO  4.

    NO: GO TO  5.

  4. CLEAN DIRT AND FOREIGN MATERIAL 

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

    : GO TO  9.

  5. VISUAL CHECK (3) 

    Check ICC sensor for cracks and/or scratches.

    Are there cracks? 

    YES: GO TO  7.

    NO: GO TO  6.

  6. ICC SENSOR ALIGNMENT ADJUSTMENT 
    1. Install the front bumper. Refer to "REMOVAL AND INSTALLATION ".
    2. Adjust the ICC sensor alignment. Refer to "DESCRIPTION ".
    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  8.

  7. REPLACE ICC SENSOR 
    1. Replace the ICC sensor. Refer to "REMOVAL AND INSTALLATION ".
    2. Adjust the ICC sensor alignment. Refer to "DESCRIPTION ".
    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  8.

  8. REPLACE ADAS CONTROL UNIT 

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

    : GO TO  9.

  9. CHECK DCA 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

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