Programming and Relearning

ACC WARNING DOES NOT OPERATE

Diagnosis Procedure


1. CHECK DTC WITH BCM

Check that DTC is not detected with BCM
Is the inspection result normal?
YES- GO TO 2.
NO- Perform trouble diagnosis relevant to DTC indicated.

2. CHECK DTC WITH COMBINATION METER

Check that DTC is not detected with combination meter
Is the inspection result normal?
YES- GO TO 3.
NO- Perform trouble diagnosis relevant to DTC indicated.

3. CHECK COMBINATION METER BUZZER

Check combination meter buzzer.
Refer to "Component Function Check" Combination Meter Buzzer.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.

4. REPLACE BCM

1.Replace BCM. Refer to "Removal and Installation" Service and Repair.
2.Confirm the operation after replacement.
Is the result normal?
YES- Inspection End.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.