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AIRBAG
Symptom:
NO LEFT SIACM MESSAGE
When Monitored and Set Condition:
NO LEFT SIACM MESSAGE
When Monitored: With ignition on, the ACM monitors the PCI Bus for the Left Side
Impact Airbag Control Module status message. The Left SIACM transmits the status
message to the ACM at 1 - second intervals.
Set Condition: If the ACM fails to see the Left SIACM status message on the PCI Bus for
15 seconds.
NO LEFT SIACM MESSAGE
ACM, NO LEFT SIACM MESSAGE
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
TEST
1
NOTE: Ensure the battery is fully charged.
Turn the ignition on.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
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
With the DRBIII select PASSIVE RESTRAINTS, SIDE AIRBAG then LEFT SIDE
from the DRB menu.
Does the DRBIII show NO RESPONSE or BUS +/- SIGNAL OPEN?
Yes → Refer to the Communication category for the related symptom.
No
3
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
If there are no possible causes remaining, view repair.
Repair
POSSIBLE CAUSES
ACTION
Go To 2
Go To 4
Perform AIRBAG VERIFICATION TEST - VER 1.
→ Go To 3
Replace the Airbag Control Module in accordance with Service
Instructions. WARNING: IF THE AIRBAG CONTROL MODULE
IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Perform AIRBAG VERIFICATION TEST - VER 1.
112
APPLICABILITY
All
All
All
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