Distance Control Assist System

C1A00 CONTROL UNIT

Description

ICC sensor integrated unit function description
- It detects the reflected light from the vehicle ahead by irradiating a laser forward. It calculates the vehicle distance from and relative speed with the vehicle ahead depending on the detected signal.
- It outputs the brake fluid pressure command signal to the brake booster control unit and the accelerator pedal feedback force control signal to the accelerator pedal actuator depending on the signal from various sensors and switches via ITS communication.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Perform "All DTC Reading" with CONSULT.
3.Check if the "C1A00" is detected as the current malfunction in self-diagnosis results of "ICC/ADAS".
Is "C1A00" detected as the current malfunction?
YES- .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK SELF-DIAGNOSIS RESULTS

Check if any DTC other than "C1A00" is detected in "Self Diagnostic Result" of "ICC/ADAS".
Is any DTC detected?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
A L L Diagnostic Trouble Codes ( DTC ).
NO- Replace the ICC sensor integrated unit. Distance Control Assist System.


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. Description.
- GO TO 2.

2. CHECK DCA SYSTEM

1.Erase the "self-diagnosis results", and then perform "All DTC Reading" again after performing the action test. (Description (Distance Control Assist) for action test.)
2.Check that the DCA system is normal.
- WORK END