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-III.
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 - SEE 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. Testing and Inspection.
NO - Replace the ICC sensor integrated unit. 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. 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. ( Description for action test.)
2. Check that the ICC system is normal.
- WORK END