Driver Assistance System

THE SYSTEM DOES NOT DETECT THE VEHICLE AHEAD AT ALL

Description

When DCA system is active, the DCA system does not perform any control even through there is a vehicle ahead.


Diagnosis Procedure


1. CHECK INFORMATION DISPLAY

1.Start the self-diagnosis mode of combination meter. Reading and Clearing Diagnostic Trouble Codes.
2.Check that the segment of information display is displayed normally.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace the combination meter.

2. VISUAL CHECK (1)

Check ICC sensor body window for contamination and/or foreign materials.
Do foreign materials adhere?
YES- GO TO 3.
NO- GO TO 4.

3. WIPE OUT DIRT AND FOREIGN MATERIALS

Wipe out the contamination and/or foreign materials from the ICC sensor body window.
- GO TO 8.

4. VISUAL CHECK (2)

Check ICC sensor body window for cracks and/or scratches.
Are there cracks?
YES- GO TO 6.
NO- GO TO 5.

5. LASER BEAM AIMING ADJUSTMENT

1.Adjust the laser beam aiming. Description.
2.Perform action test. DCA.
3.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
NO- GO TO 6.

6. REPLACE ICC SENSOR

1.Replace the ICC sensor. Removal And Installation.
2.Adjust the laser beam aiming. Description.
3.Perform action test. DCA.
4.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
NO- GO TO 7.

7. REPLACE ADAS CONTROL UNIT

Replace the ADAS control unit. Service and Repair.
- GO TO 8.

8. CHECK DCA SYSTEM

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