DCA

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.




THE SYSTEM DOES NOT DETECT THE VEHICLE AHEAD AT ALL


Diagnosis Procedure

1.CHECK INFORMATION DISPLAY
1. Start the self-diagnosis mode of combination meter. Refer to Diagnosis System (Meter).
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 integrated unit 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 integrated unit body window.
- GO TO 7.
4.VISUAL CHECK (2)
Check ICC sensor integrated unit 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. Refer to Description.
2. Perform action test. Refer to DCA.
3. Check that the vehicle ahead detection performance improves.
Does it improve?
YES - INSPECTION END
NO - GO TO 6.
6.REPLACE ICC SENSOR INTEGRATED UNIT
1. Replace the ICC sensor integrated unit. Refer to Exploded View.
2. Adjust the laser beam aiming. Refer to Description.
- GO TO 7.
7.CHECK DCA SYSTEM
1. Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test.
(Refer to DCA for action test.)
2. Check that the DCA system is normal.
- INSPECTION END