DCA

C1A01 POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2





Description
The ICC sensor integrated unit controls the system with the ignition power supply.




DTC Logic

DTC DETECTION LOGIC

DTC DETECTION LOGIC:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the DCA switch ON.
3. Perform "All DTC Reading" with CONSULT-III.
4. Check if the "C1A01" or "C1A02" is detected as the current malfunction in self-diagnosis results of "ICC".
Is "C1A01" or "C1A02" detected as the current malfunction?
YES - Refer to DCA.
NO - Refer to Intermittent Incident.




Diagnosis Procedure
1.CHECK ICC SENSOR INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of ICC sensor integrated unit. Refer to DCA.
Is the inspection result normal?
YES - Replace the ICC sensor integrated unit. Refer to Exploded View.
NO - Repair or replace the malfunctioning parts.




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