Symptom:
INTERROGATE LEFT SIACM
When Monitored and Set Condition:
INTERROGATE LEFT SIACM
When Monitored: With ignition on, the ACM monitors the PCI Bus for a Left SIACM
status message containing the airbag warning lamp 9On or OFF9 request. The status
message is sent to the ACM once each second or upon any change in the active DTCs.
Set Condition: The Code will set, if the ACM receives an Lamp On status message from
the Left SIACM. NOTE: This indicates that there was an active diagnostic trouble code in
the Left SIACM.
POSSIBLE CAUSES
INTERROGATE LEFT SIACM
ACM, NO ACTIVE LEFT SIACM DTCS
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
TEST ACTION APPLICABILITY
1 NOTE: Ensure that the battery is fully charged.
Ensure the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT ACTIVE or STORED DTC:
All
ACM - ACTIVE DTC
Go To 2
ACM - STORED DTC
Go To 4
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 DRBIIIt read the Left SIACM active DTCs.
Did the DRBIIIt show any active DTCs?
All
Yes → Refer to symptom list for problems related to Left SIACM.
Perform AIRBAG VERIFICATION TEST - VER 1.
No → Go To 3
37
AIRBAG
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