ICC (Full Speed Range)

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

DTC DETECTION LOGIC:

Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform "All DTC Reading" with CONSULT-III.
4. Check if the "C1A30" is detected as the current malfunction in "Self Diagnostic Result" of "ICC".
Is "C1A30" detected as the current malfunction?
YES - Perform trouble diagnosis for the ITS communication system. Refer to Trouble Diagnosis Flow Chart.
NO - Refer to 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 ICC (Full Speed Range) ICC (Full Speed Range) 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 ICC (Full Speed Range) for action test.)
2. Check that the ICC system is normal.
- WORK END