Frequently Cannot Detect The Vehicle Ahead / Detection Zone Is Short

FREQUENTLY CANNOT DETECT THE VEHICLE AHEAD / DETECTION ZONE IS SHORT

Description

The detection function may become unstable in the following cases.
- When the reflector of the vehicle ahead is deficient/ not clean enough to reflect ICC sensor.
- When driving a road with extremely sharp corners.
- When the sensor cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or passing the peak.


Diagnosis Procedure


1. VISUAL CHECK (1)

Check ICC sensor body window for contamination and/or foreign materials.
Do foreign materials adhere?
YES- GO TO 2.
NO- GO TO 3.

2. WIPE OUT DIRT AND FOREIGN MATERIALS

Wipe out the contamination and/or foreign materials from the ICC sensor body window.
- GO TO 7.

3. VISUAL CHECK (2)

Check ICC sensor body window for cracks and scratches.
Are there any cracks or scratches?
YES- GO TO 5.
NO- GO TO 4.

4. ADJUST LASER BEAM AIMING

1.Adjust the laser beam aiming. Description.
2.Perform ICC system action test. Description.
3.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
NO- GO TO 5.

5. REPLACE ICC SENSOR

1.Replace the ICC sensor. Removal And Installation.
2.Adjust the laser beam aiming. Description.
3.Perform ICC system action test. Description.
4.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
NO- GO TO 6.

6. REPLACE ADAS CONTROL UNIT

Replace ADAS control unit. ADAS Control Unit.
- GO TO 7.

7. CHECK ICC SYSTEM

1.Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Description for action test.)
2.Check that the ICC system is normal.
- INSPECTION END