Diagnosis Procedure

Check for contamination and foreign material on the ICC sensor area of the front bumper.

Does contamination or foreign material exist? 

YES: Clean the contamination and foreign material from the ICC sensor area of the front bumper.

NO: GO TO  2.

1. Remove the front bumper. Refer to "REMOVAL AND INSTALLATION ".
2. Check ICC sensor for contamination and foreign materials.

Does contamination or foreign material exiat? 

YES: Clean the contamination and foreign material from the ICC sensor.

NO: GO TO  3.

Check ICC sensor for cracks and scratches.

Are there any cracks or scratches found? 

YES: Replace the ICC sensor. Refer to "REMOVAL AND INSTALLATION ".

NO: GO TO  4.

1. Ask if there is any trace of contamination or foreign material on ICC sensor area of the front bumper.
2. Ask if the ICC sensor area of the front bumper was frosted during driving or if vehicle was driven in snow.
3. Ask if ICC sensor area of the front bumper was temporarily fogged (windshield glass may also tend to fog, etc.)

Are any of the above conditions seen? 

YES: Explain to customer about the difference between contamination detection and an actual malfunction. Inform them that "this is not malfunction".

NO: Replace the ICC sensor. Refer to "REMOVAL AND INSTALLATION ".