Diagnosis Procedure

1.VISUAL CHECK 1

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

Does contamination or foreign materials adhere?

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

2.VISUAL CHECK 2

Remove the front bumper. Refer to Removal and Installation .
Check distance sensor for contamination and foreign matter.

Does contamination or foreign matter adhere?

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

3.VISUAL CHECK 3

Check distance sensor for cracks and scratches.

Is it found?

Replace the distance sensor. Refer to Removal and Installation

4.PERFORM RADAR ALIGNMENT

Adjust the radar alignment with M.U.T.-III SE. Refer to Work Procedure.
Perform AEB system action test to check the operation status. Refer to Work ProcedureWork Procedure.
Perform “Read All DTCs”.
Check the “C2582-97” is detected in “Self Diagnostic Result” of “LASER/RADAR”.

Is “C2582-97” detected?

Replace the distance sensor. Refer to Removal and Installation

5.INTERVIEW

Ask if there is any trace of contamination or foreign materials adhering to the distance sensor area of the front bumper.
Ask if distance sensor area of the front bumper was frosted during driving or if vehicle was driven in snow.
Ask if distance sensor area of the front bumper was temporarily fogged. (Windshield glass may also tend to fog, etc.)

Is any of above conditions seen?

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”.

Replace the distance sensor. Refer to Removal and Installation