The System Does Not Detect the Vehicle Ahead at All

THE SYSTEM DOES NOT DETECT THE VEHICLE AHEAD AT ALL

Description

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


Diagnosis Procedure


1. CHECK ICC SYSTEM DISPLAY ON INFORMATION DISPLAY

1.Start the self-diagnosis mode of combination meter. Refer to "Description" Description.
2.Check that the information display turns ON normally.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace the combination meter.

2. VISUAL CHECK (1)

Check the contamination and foreign matter on the ICC sensor area of the front bumper.
Do foreign matter adhere?
YES- GO TO 4.
NO- GO TO 3.

3. VISUAL CHECK (2)

1.Remove the front bumper. Refer to "Removal and Installation" Removal and Installation.
2.Check ICC sensor for contamination and foreign matter.
Do foreign matter adhere?
YES- GO TO 4.
NO- GO TO 5.

4. WIPE OUT DIRT AND FOREIGN MATTER

Wipe out the contamination and foreign matter in the area around the ICC sensor.
- GO TO 9.

5. VISUAL CHECK (3)

Check ICC sensor for cracks and/or scratches.
Are there cracks?
YES- GO TO 7.
NO- GO TO 6.

6. RADAR ALIGNMENT ADJUSTMENT

1.Install the front bumper. Refer to "Removal and Installation" Removal and Installation.
2.Adjust the radar alignment. Refer to "Description" Description.
3.Perform ICC system action test. Refer to "Description" Description.
4.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
NO- GO TO 8.

7. REPLACE ICC SENSOR

1.Replace the ICC sensor. Refer to "Removal and Installation" Removal and Installation.
2.Install the front bumper. Refer to "Removal and Installation" Removal and Installation.
3.Adjust the radar alignment. Refer to "Description" Description.
4.Perform ICC system action test. Refer to "Description" Description.
5.Check that the vehicle ahead detection performance improves.
Does it improve?
YES- INSPECTION END
Revision: March 20122013 Infiniti JX
NO- GO TO 8.

8. REPLACE ADAS CONTROL UNIT

Replace ADAS control unit. Refer to "Removal and Installation" Removal and Installation.
- GO TO 9.

9. CHECK ICC SYSTEM

1.Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to "Description" Description for action test.)
2.Check that the ICC system is normal.
- INSPECTION END
Revision: March 20122013 Infiniti JX