FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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C1A00




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 calculates the target vehicle distance and the target vehicle speed depending on the signals from various sensors and switches, outputs the engine torque demand to ECM via CAN communication, and outputs the deceleration degree commandment value signal to ABS actuator and electric unit (control unit) via CAN
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 Diagnostic Result" of "ICC/ADAS".
Is "C1A00" detected as the current malfunction?
YES- Refer to "Diagnosis Procedure" .
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
"DTC Index" Testing and Inspection.
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