C1A34
C1A34 COMMAND ERROR
Description
ICC sensor integrated unit transmits the command signal required for the ECM control via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC "C1A34" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to CAN COMM Circuit CAN COMM Circuit CAN COMM Circuit CAN COMM Circuit, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Operate the ICC system and drive.
CAUTION:
Always drive safely.
3. Stop the vehicle.
4. Perform "All DTC Reading" with CONSULT-III.
5. Check if the "C1A34" is detected as the current malfunction in "Self Diagnostic Result" of "ICC".
Is "C1A34" detected as the current malfunction?
YES - Refer to C1A34.
NO - Refer to Intermittent Incident.
Diagnosis Procedure
1.CHECK SELF-DIAGNOSIS RESULTS
Check if "U1000" is detected other than "C1A34" in "Self Diagnostic Result" of "ICC".
Is "U1000" detected?
YES - Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to CAN COMM Circuit.
NO - Replace the ICC sensor integrated unit. Refer to 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 Description Special Repair Requirement Description, "LASER BEAM AIMING ADJUSTMENT : 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 LDW and LDP for action test.)
2. Check that the ICC system is normal.
- WORK END