Diagnosis Procedure

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


Diagnosis Procedure

1.CHECK EACH SWITCH
1. Start the engine.
2. Check that each switch operates normally on "DATA MONITOR" of "ICC" with CONSULT-III.
- "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".
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 CCS.
- INSPECTION END
4.CHECK ICC STEERING SWITCH
Check the ICC steering switch. Refer to C1A06.
- GO TO 6.
5.REPLACE ICC SENSOR INTEGRATED UNIT
1. Replace the ICC sensor integrated unit. Refer to Exploded View.
2. Adjust the laser beam aiming. Refer to 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 Description for action test.)
2. Check that the ICC system is normal.
- INSPECTION END