Diagnosis Procedure

When ICC system is active, the ICC system does not perform any control even though there is a vehicle ahead.

1. CHECK ICC SYSTEM DISPLAY ON INFORMATION DISPLAY 
   1. Start the self-diagnosis mode of combination meter. Refer to On Board Diagnosis Function .
   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 the contamination and foreign matter on the distance sensor (ICC sensor) area of the front bumper.

   Is foreign matter present?

   YES

   GO TO 4

   NO

   GO TO 3

3. VISUAL CHECK (2) 

   Check distance sensor (ICC sensor) for contamination and foreign matter.

   Is foreign matter present?

   YES

   GO TO 4

   NO

   GO TO 5

4. WIPE OUT DIRT AND FOREIGN MATTER 

   Wipe out the contamination and foreign matter in the area around the distance sensor (ICC sensor).

   GO TO 10

5. VISUAL CHECK (3) 

   Check distance sensor (ICC sensor) for cracks and/or scratches.

   Are there cracks or scratches?

   YES

   GO TO 7

   NO

   GO TO 6

6. RADAR ALIGNMENT ADJUSTMENT 

   CONSULT

   1. Adjust the radar alignment. Refer to Description .
   2. Perform ICC system action test. Refer to Description .
   3. Check that the vehicle ahead detection performance improves.

   Does it improve?

   YES

   Inspection End.

   NO

   GO TO 7

7. CHECK INFORMATION DISPLAY 

   CONSULT

   1. Select "Self Diagnostic Result" mode of "DISTANCE SENSOR (ICC SENSOR)". Refer to CONSULT Function (LASER/RADAR) .
   2. Check that the segment of information is displayed normally.

   Is the inspection result normal?

   YES

   GO TO 8.

   NO

   Refer to DTC Index 

8. REPLACE DISTANCE SENSOR (ICC SENSOR) 
   1. Replace the distance sensor (ICC sensor). Refer to Removal and Installation .
   2. Adjust the radar 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 9

9. REPLACE ADAS CONTROL UNIT 

   Replace ADAS control unit. Refer to Removal and Installation .

   GO TO 10

10. CHECK ICC SYSTEM 

    CONSULT

    1. Erase the "Self Diagnostic Result", and then select "Self Diagnostic Result" mode again after performing the action test. (Refer to Description  for action test.)
    2. Check that the ICC system is normal.

    Inspection End.