Diagnosis Description

DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)

Diagnosis Description
The ICC system includes the on board self-diagnosis function that allows the technician to check for any trouble codes on the ICC system display by operating the ICC steering switch.

ON BOARD SELF-DIAGNOSIS SYSTEM DIAGRAM






ON BOARD SELF-DIAGNOSIS OPERATION PROCEDURE
1. Turn ignition switch OFF.
2. Start engine.




3. Wait 5 seconds after starting engine, then within 10 seconds, push up RESUME/ACCELERATE switch 5 times, and push down SET/COAST switch 5 times.

NOTE:
- Never turn the MAIN switch ON.
- When operation above is not completed within the specified period, go back to procedure 1 and do all over again.

4. When the on board self-diagnosis starts up, the ICC system display shows DTC No. (1) at the set vehicle speed indicator. Refer to CCS-85, "DTC Index". Intelligent Cruise Control






NOTE:
- DTC will disappear after 5 minutes.
- When more than one malfunction is detected, a maximum of 3 code numbers can be stored; the latest malfunction will be displayed first.

WHEN ON BOARD SELF-DIAGNOSIS WILL NOT START UP






ERASING ON BOARD SELF-DIAGNOSIS




1. Stop the vehicle and turn ignition switch OFF.
2. Start engine and start on board self-diagnosis.
3. During on board self-diagnosis, press CANCEL switch 5 times, and DISTANCE switch 5 times in this order.

NOTE:
- Press them within 10 seconds after pressing CANCEL switch at first.
- When operation is not completed within 10 seconds, start again from step 2 above.

4. DTC 55 will be shown.

NOTE: DTC of an existing malfunction will not be erased.

5. Turn ignition switch OFF to exit the diagnosis.