DCA

C1A06 OPERATION SW





Description
- Turns the DCA system ON/OFF. (When the setting of the DCA system on the navigation screen is ON.)
- The ICC steering switch signal is input to the ECM. It is transmitted from ECM to ICC sensor integrated unit via CAN communication.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Wait for approximately 5 minutes after turning the MAIN switch of ICC system ON.
3. Perform "All DTC Reading" with CONSULT-III.
4. Check if the "C1A06" is detected as the current malfunction in "Self Diagnostic Result" of "ICC".
Is "C1A06" detected as the current malfunction?
YES - DCA.
NO - Intermittent Incident.




Diagnosis Procedure
1.CHECK SELF-DIAGNOSIS RESULTS
Check if "U1000" is detected other than "C1A06" in "Self Diagnostic Result" of "ICC".
Is "U1000" detected?
YES - Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. ICC (Full Speed Range).
NO - GO TO 2.
2.CHECK ICC STEERING SWITCH
1. Turn the ignition switch OFF.
2. Disconnect the ICC steering switch connector.
3. Check the ICC steering switch. DCA.
Is the inspection result normal?
YES - GO TO 3.
NO - Replace the ICC steering switch.
3.CHECK HARNESS BETWEEN SPIRAL CABLE AND ECM
1. Disconnect the ECM connector.
2. Check for continuity between the spiral cable harness connector and ECM harness connector.






3. Check for continuity between spiral cable harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair the harnesses or connectors.
4.CHECK SPIRAL CABLE
Check for continuity between spiral cable terminals.





Is the inspection result normal?
YES - GO TO 5.
NO - Replace the spiral cable.
5.PERFORM SELF-DIAGNOSIS OF ECM
1. Connect the connectors of ICC steering switch and ECM connector.
2. Turn the ignition switch ON.
3. Perform "All DTC Reading".
4. Check if any DTC is detected in "Self Diagnostic Result" of "ENGINE".
Is any DTC detected?
YES - Perform self-diagnosis on the detected DTC and repair or replace the malfunctioning parts. Testing and Inspection (VQ35HR) or Testing and Inspection (VK50VE).
NO - Replace the ICC sensor integrated unit. ICC (Full Speed Range).




Component Inspection
1.CHECK ICC STEERING SWITCH





Check resistance between ICC steering switch terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace the ICC steering switch.




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