DCA

C1A30 BCU CAN COMM CIRC

Description

The brake booster control unit communicates with ICC sensor integrated unit for brake booster control via ITS
communication.


DTC Logic


DTC DETECTION LOGIC








Diagnosis Procedure


1. PERFORM THE SELF-DIAGNOSIS

1.Start the engine.
2.Turn the DCA system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "C1A30" is detected as the current malfunction in self-diagnosis results of "ICC/ADAS".
Is "C1A30" detected as the current malfunction?
YES- Perform trouble diagnosis for the ITS communication system. Refer to "Trouble Diagnosis Flow Chart" Trouble Diagnosis Flow Chart.
NO- Refer to "Intermittent Incident" Intermittent Incident.


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 DCA SYSTEM

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