ICC Steering Switch (Other Than Main Switch) Does Not Function

ICC STEERING SWITCH (OTHER THAN MAIN SWITCH) DOES NOT FUNCTION

Description

MAIN switch can be turned ON/OFF, but the operation of RESUME/ACCELERATE switch, CANCEL switch, and DISTANCE switch cannot be performed during ICC system operation.
NOTE:
Resume is not accepted when the following condition is met.
- When the MAIN switch is turned OFF once.


Diagnosis Procedure


1. CHECK EACH SWITCH

1.Start the engine.
2.Check that each switch operates normally on "DATA MONITOR" of "ICC/ADAS" with CONSULT.
-"RESUME/ACC SW"
-"CANCEL SW"
-"DISTANCE SW"
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 2.

2. PERFORM ALL OF THE SELF-DIAGNOSIS ITEMS

1.Perform "All DTC Reading".
2.Check if the "U1000" is detected in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES- GO TO 3.
NO- GO TO 4.

3. CAN COMMUNICATIONS INSPECTION

Check the CAN communication and repair or replace malfunctioning parts. Refer to "DTC Logic" Cruise Control.
- INSPECTION END

4. CHECK ICC STEERING SWITCH

Check the ICC steering switch. Refer to "Component Inspection" C1A06.
- GO TO 6.

5. REPLACE ICC SENSOR INTEGRATED UNIT

1.Replace the ICC sensor integrated unit. Refer to "Exploded View" Exploded View.
2.Adjust the laser beam aiming. Refer to "DTC Index" Testing and Inspection.
- GO TO 6.

6. CHECK ICC 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 for action test.)
2.Check that the ICC system is normal.
- INSPECTION END