Dodge ZB 2005 Service Manual page 1460

Symptom:
NO CLUSTER MESSAGE
When Monitored and Set Condition:
NO CLUSTER MESSAGE
When Monitored: With ignition on, the ACM monitors the PCI Bus for a message from
the MIC containing the airbag warning indicator status. The MIC transmits the message
one time at ignition on, lamp state change, or in response to the ACM message.
Set Condition: If the MIC message is not received for 10 consecutive seconds, the code
will set.
MIC, COMMUNICATION FAILURE
ACM, NO CLUSTER MESSAGES
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
TEST
1 NOTE: Ensure that the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
Turn the ignition on.
SELECT ACTIVE or STORED DTC:
ACM - ACTIVE DTC
ACM - STORED DTC
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 Turn the ignition on.
With the DRBIII , ensure PCI Bus communications with the Instrument Cluster.
Is the Instrument Cluster communicating on the PCI Bus?
Yes → Go To 3
→ Refer to category COMMUNICATION CATEGORY and select the
No
POSSIBLE CAUSES
ACTION
Go To 2
Go To 4
related symptom INSTRUMENT CLUSTER BUS +/- SIGNAL
OPEN or NO RESPONSE.
79
AIRBAG
APPLICABILITY
All
All