Diagnosis Procedure

CHECK ICC SYSTEM DISPLAY ON MULTI INFORMATION DISPLAY
1. Start the self-diagnosis mode of combination meter. Refer to ON BOARD DIAGNOSIS FUNCTION .
2. Check that the multi information display turns on normally.
Is the inspection result normal?

YES

GO TO STEP 2.

NO

Replace the combination meter.

VISUAL CHECK (1)

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

Is foreign material present?

YES

GO TO STEP 4.

NO

GO TO STEP 3.

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

YES

GO TO STEP 4.

NO

GO TO STEP 5.

WIPE OUT DIRT AND FOREIGN MATERIALS

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

GO TO STEP 9.

VISUAL CHECK (3)

Check ICC sensor for cracks and/or scratches.

Are there cracks?

YES

GO TO STEP 7.

NO

GO TO STEP 6.

PERFORM RADAR ALIGNMENT
1. Install the front bumper. Refer to REMOVAL AND INSTALLATION .
2. Perform 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 8.

REPLACE ICC SENSOR
1. Replace the ICC sensor. Refer to EXPLODED VIEW .
2. Install the front bumper. Refer to REMOVAL AND INSTALLATION .
3. Perform 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 8.

REPLACE ADAS CONTROL UNIT

Replace ADAS control unit. Refer to REMOVAL AND INSTALLATION .

GO TO STEP 9.

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