Diagnosis Procedure

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

Is contamination or foreign material present?

YES 

Wipe out the contamination and foreign matter on the ICC sensor area of the front bumper.

NO 

GO TO STEP 2. 

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

Is contamination or foreign matter present?

YES 

Wipe out the contamination and foreign matter from the ICC sensor.

NO 

GO TO STEP 3. 

Check ICC sensor for cracks and scratches.

Is it found?

YES 

Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .

NO 

GO TO STEP 4. 

1. Adjust the radar alignment with CONSULT. Refer to DESCRIPTION  (TYPE 1), or DESCRIPTION  (TYPE 2).
2. Perform ICC system action test to check the operation status. Refer to DESCRIPTION 
3. Perform "All DTC Reading".
4. Check the "C1A16" is detected in "Self Diagnostic Result" of "LASER/RADAR".

Is "C1A16" detected?

YES 

Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .

NO 

GO TO STEP 5  .

1. Ask if there is any trace of contamination or foreign material present on the ICC sensor area of the front bumper.
2. Ask if 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.)

Is any of above conditions seen?

YES 

Explain to the customer about the difference between the contamination detection function and the indication when the malfunction is detected and tell them "This is not malfunction".

NO 

Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .