No CCD Communication (Active)

Test 1:

Test 2 - 5:

SYMPTOM
NO CCD COMMUNICATION (ACTIVE)

TEST NOTE
This symptom is diagnosed using the test 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
- Bus not operational
- No cluster CCD bus messages
- MIC bulb state no response
- MIC driver state no response
- ACM DEF, lamp request CKT