ACC Warning Does Not Operate

ACC WARNING DOES NOT OPERATE

Description

ACC warning function does not operate for vehicle with information display models
NOTE:
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.


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" Meter Buzzer Circuit.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.

4. REPLACE BCM

- Replace BCM. Refer to "Removal and Installation" Service and Repair.
- Confirm the operation after replacement.
Is the result normal?
YES- Inspection End.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
Revision: March 20122013 Infiniti JX