ACC Warning Does Not Operate

ACC WARNING DOES NOT OPERATE

Description

NOTE:
- Before performing the diagnosis in the following procedure, check "Work Flow". Refer to "Work Flow" Work Flow.
- Warning functions operating condition is extremely complicated, during operating confirmations, reconfirm the list above twice in order to ensure proper operation. Refer to "WARNING FUNCTION : System Description" Warning Function.
- Door lock function is normal.


Diagnosis Procedure


1. CHECK POWER POSITION

Check if ignition switch position is changing or not.
Does ignition switch position change?
YES- GO TO 2.
NO- Check DTC for BCM. Refer to "DTC Index" Testing and Inspection.

2. CHECK BUZZER (COMBINATION METER)

Check buzzer (combination meter).
Refer to "Component Function Check" Buzzer (Combination Meter).
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.

3. CHECK COMBINATION METER DISPLAY FUNCTION

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

4. CONFIRM THE OPERATION

Confirm the operation again.
Is the result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- GO TO 1.