Diagnosis Procedure

VISUAL CHECK (1)

Check front bumper grille near the ICC sensor for contamination and foreign materials.

Are foreign materials present?

YES

GO TO STEP 2.

NO

GO TO STEP 3.

WIPE OUT DIRT AND FOREIGN OBJECTS

Wipe out the contamination and/or foreign materials from the front bumper grille near the ICC sensor.

GO TO STEP 7.

VISUAL CHECK (2)

Check ICC sensor for cracks and/or scratches.

Are there cracks?

YES

GO TO STEP 5.

NO

GO TO STEP 4.

PERFORM RADAR ALIGNMENT
1. Perform radar alignment. Refer to DESCRIPTION .
2. Perform action test. Refer to DESCRIPTION .
3. Check that the vehicle ahead detection performance improves.
Does it improve?

YES

INSPECTION END

NO

GO TO STEP 5.

REPLACE ICC SENSOR
1. Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .
2. Perform radar alignment. Refer to DESCRIPTION .
3. Perform 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 ADAS CONTROL UNIT

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

GO TO STEP 7.

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 DCA/FCW system is normal.
INSPECTION END