Diagnosis Procedure

VISUAL CHECK (1)

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

Is contamination or foreign matter obstructing the sensor area?

YES

GO TO STEP 3 .

NO

GO TO STEP 2.

VISUAL CHECK (2)
1. Remove the front bumper. Refer to REMOVAL AND INSTALLATION .
2. Check ICC sensor for contamination and foreign matter.
Is contamination or foreign matter obstructing the sensor area?

YES

GO TO STEP 3.

NO

GO TO STEP 4 .

WIPE OUT DIRT AND FOREIGN MATERIALS

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

GO TO STEP 8 .

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.

ADJUST RADAR ALIGNMENT
1. Install the front bumper. 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 STEP 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 radar alignment. Refer to DESCRIPTION .
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.

REPLACE ADAS CONTROL UNIT

Replace ADAS control unit. Refer to REMOVAL AND INSTALLATION .

GO TO STEP 8.

CHECK ICC SYSTEM
1. Erase the self-diagnosis results, 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