C1A16

C1A16 RADAR STAIN

Description

ICC sensor integrated unit detects the reflected light from the vehicle ahead by irradiating a laser beam forward. It calculates the distance from and relative speed with the vehicle ahead based on the detected signal.


DTC Logic


DTC DETECTION LOGIC






NOTE:
DTC "C1A16" may be detected under the following conditions. (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".)
- When contamination or foreign materials adhere to the ICC sensor integrated unit body window
- When driving while it is snowing or when frost forms on the ICC sensor integrated unit body window
- When ICC sensor integrated unit body window is temporarily fogged


Diagnosis Procedure


1. VISUAL CHECK 1

Check ICC sensor integrated unit body window for contamination and foreign materials.
Does contamination or foreign materials adhere?
YES- Wipe out the contamination and foreign materials from the ICC sensor integrated unit body window.
NO- GO TO 2.

2. VISUAL CHECK 2

Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
YES- Replace the ICC sensor integrated unit. Refer to "Exploded View" Exploded View.
NO- GO TO 3.

3. INTERVIEW

1.Ask if there is any trace of contamination or foreign materials adhering to the ICC sensor integrated unit body window.
2.Ask if ICC sensor integrated unit body window was frosted during driving or if vehicle was driven in snow.
3.Ask if ICC sensor integrated unit body window was temporarily fogged. (Windshield glass may also tend to fog, etc.)
What is the result of the interview with the customer?
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 integrated unit. Refer to "Exploded View" Exploded View.


Special Repair Requirement


DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following operation is performed.
- Removal and installation of ICC sensor integrated unit
- Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT


1. LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to "LASER BEAM AIMING ADJUSTMENT : Description" Description.
- GO TO 2.

2. CHECK ICC SYSTEM

1.Erase the "Self Diagnostic Result", and then perform "All DTC Reading" again after performing the action test. (Refer to "ACTION TEST : Description" Description for action test.)
2.Check that the ICC system is normal.
- WORK END