No Cluster CCD Messages (Stored)

Test 1:

SYMPTOM
NO CLUSTER CCD MESSAGES (STORED)

TEST NOTE
This symptom is diagnosed using the test CLUSTER MESSAGE MISMATCH (STORED).

WHEN MONITORED
With the ignition in the ON position, the ACM monitors the CCD Bus for a message from the MIC containing the airbag warning lamp status. The MIC transmit the message one time per second in response to the ACM lamp ON/OFF message.

SET CONDITION
If the MIC message is not received for 5 consecutive seconds, the code will set.

POSSIBLE CAUSES
- Stored code present
- Stored code has become active