Symptom:
*NO RESPONSE FROM RIGHT SIACM
POSSIBLE CAUSES
INTERROGATE ACM
GROUND CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT (RUN/START) OPEN
PCI BUS CIRCUIT OPEN
RIGHT SIDE IMPACT AIRBAG CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt select Passive Restraints.
With the DRBIIIt select Airbag and read the active DTC’s.
Is the Loss Of Ignition Run/Start DTC set?
All
Yes → Refer to the symptom list and perform the Loss Of Ignition
Run/Start symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
No → Go To 2
2 Ensure that the battery is fully charged.
Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Right Side Impact Airbag Control Module harness connector.
Connect the appropriate Load Tool SIACM Adapter to the SIACM connector.
Using a 12-volt test light connected to 12-volts, probe the ground circuit.
NOTE: Make sure test light is connected to the Battery positive terminal.
Is the test light illuminated?
All
Yes → Go To 3
No → Repair the Ground circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
3 Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Right Side Impact Airbag Control Module harness connector.
Connect the appropriate Load Tool SIACM Adapter to the SIACM connector.
Turn the ignition on and then reconnect the Battery.
Measure the voltage of the Fused Ignition Switch Output (Run/Start) circuit.
Is the voltage above 6.0 volts?
All
Yes → Go To 4
No → Repair the Fused Ignition Switch Output (Run/Start) circuit for
an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
115
COMMUNICATION
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