Diagnosis Procedure

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 STEP 2.

NO

Replace the combination meter.

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 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 material.
Does foreign material exist?

YES

GO TO 4.

NO

GO TO 5.

CLEAN DIRT AND FOREIGN MATERIAL

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

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 STEP 8.

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.

REPLACE ADAS CONTROL UNIT

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

GO TO STEP 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