No CCD Communication (Active)

Test 1:

Test 2:

SYMPTOM
NO CCD COMMUNICATION (ACTIVE)

WHEN MONITORED
Continuously when the ignition is ON.

SET CONDITION
If the ACM cannot detect the ACM to MIC warning lamp (ON & OFF) message on the CCD bus for 5 consecutive seconds.

POSSIBLE CAUSES
- Stored code has become active
- ACM defective, no CCD communication
- Stored code has not been reproduced