Page 157 of 4284

Symptom:
ORC, NO LEFT SIACM MESSAGE - ACTIVE
When Monitored and Set Condition:
ORC, NO LEFT SIACM MESSAGE - ACTIVE
When Monitored: With ignition on, the ORC monitors the PCI Bus for the Left SIACM
status message. The Left SIACM transmits the status message to the ORC at 1 - second
intervals.
Set Condition: If the ORC fails to see the Left SIACM status message on the PCI Bus for
10 seconds the code will set.
POSSIBLE CAUSES
NO LEFT SIACM MESSAGE
ORC, NO LEFT SIACM MESSAGE
TEST ACTION APPLICABILITY
1 With the DRB select SIDE AIRBAG then LEFT SIDE AIRBAG from the DRB menu.
Does the DRB show NO RESPONSE or BUS +/- SIGNAL OPEN?All
Ye s®Refer to the Communication category for the related symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Go To 2
2WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
If there are no possible causes remaining, view repair.All
Repair
Replace the Occupant Restraint Controller in accordance with
Service Instructions. WARNING: make sure the battery is discon-
nected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
128
AIRBAG
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Symptom:
ORC, NO ODOMETER MESSAGE - ACTIVE
When Monitored and Set Condition:
ORC, NO ODOMETER MESSAGE - ACTIVE
When Monitored: With ignition on, the ORC monitors the PCI Bus for the Odometer
message from the Body Control Module. The BCM transmits the odometer message at 1
second intervals.
Set Condition: The code will set, if the ORC does not see the odometer message for 10
seconds.
POSSIBLE CAUSES
BODY CONTROL MODULE COMMUNICATION
ORC, NO ODOMETER MESSAGE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the BCM.
Was the DRB able to I/D or communicate with the BCM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
2WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED.
If there are no possible causes remaining, view repair.All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions. WARNING: make sure the battery is disconnected
and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
129
AIRBAG
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Symptom:
ORC, NO PCI TRANSMISSION - STORED
When Monitored and Set Condition:
ORC, NO PCI TRANSMISSION - STORED
When Monitored: With the ignition in the On position and the ORC transmitting
information on the PCI BUS.
Set Condition: The code will set if the ORC cannot detect the ORC transmitting
information on the PCI BUS for 5 consecutive seconds. NOTE: Any PCI Bus Failure will
cause this code to set.
POSSIBLE CAUSES
ACTIVE OR STORED CODE PRESENT
STORED CODE OR INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
NOTE: Ensure the battery is fully charged.
Active codes must be resolved before diagnosing stored codes.
With the DRBIIIt, record and erase all DTCs from all modules.
With the DRB III monitor active codes as you work through the system.
Wiggle the wiring harness and connectors of the Airbag System and rotate the
steering wheel from stop to stop.
NOTE: Check connectors - Clean / repair as necessary.
You have just attempted to simulate the condition that initially set the trouble code
message.
The following additional checks may assist you in identifying a possible intermittent
problem:
- Visually inspect related wire harness connectors. Look for broken, bent, pushed out,
spread, corroded, or contaminated terminals.
- Visually inspect the related harnesses. Look for chafed, pierced, pinched or partially
broken wire.
- Refer to Wiring Diagrams and Technical Service Bulletins that may apply.
Did the DTC become active ?All
Ye s®Select appropriate active symptom from Symptom List.
No®No problem found at this time. Erase all codes before returning
vehicle to customer.
130
AIRBAG
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Symptom:
ORC, NO RIGHT SIACM MESSAGE - ACTIVE
When Monitored and Set Condition:
ORC, NO RIGHT SIACM MESSAGE - ACTIVE
When Monitored: With ignition on, the ORC monitors the PCI Bus for the Right Side
Impact Airbag Control Module status message. The Right SIACM transmits the status
message to the ORC at 1 - second intervals.
Set Condition: If the ORC fails to see the Right SIACM status message on the PCI Bus
for 10 seconds the code will set.
POSSIBLE CAUSES
NO RIGHT SIACM MESSAGE
ORC, NO RIGHT SIACM MESSAGE
TEST ACTION APPLICABILITY
1 With the DRB select SIDE AIRBAG and the RIGHT SIDE AIRBAG from the DRB
menu.
Does the DRB show NO RESPONSE or BUS +/- SIGNAL OPEN?All
Ye s®Refer to the COMMUNICATION category for the related symp-
tom.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Go To 2
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
If there are no possible causes remaining, view repair.All
Repair
Replace the Occupant Restraint Controller in accordance with
Service Instructions. WARNING: make sure the battery is discon-
nected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
131
AIRBAG
Page 162 of 4284
TEST ACTION APPLICABILITY
3WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
If there are no possible causes remaining, view repair.All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions. WARNING: make sure the battery is disconnected
and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
133
AIRBAG
ORC, NOT CONFIGURED FOR SAB - ACTIVE ÐContinued
Page 165 of 4284
TEST ACTION APPLICABILITY
3WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
If there are no possible causes remaining, view repair.All
Repair
Replace the Occupant Restraint Controller (ORC) in accordance
with the Service information. WARNING: Make sure the battery
is disconnected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
136
AIRBAG
ORC, PASSENGER SBS OPEN - ACTIVE ÐContinued
Page 167 of 4284
TEST ACTION APPLICABILITY
3WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
If there are no possible causes remaining, view repair.All
Repair
Replace the Occupant Restraint Controller (ORC) in accordance
with the Service information. WARNING: Make sure the battery
is disconnected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
138
AIRBAG
ORC, PASSENGER SBS SHORT TO BATTERY - ACTIVE ÐContinued
Page 169 of 4284

TEST ACTION APPLICABILITY
3NOTE: Ensure that the battery is fully charged.
WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Passenger Seat Belt Switch connector.
Disconnect the Occupant Restraint Controller connector
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the Driver SBS Line 1 and line 2 circuit between the
Passenger SBS connector and ground.
Is the resistance below 5.0 ohms on either circuit?All
Ye s®Repair the Passenger Seat Belt Switch line 1 or line 2 shorted to
ground.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Go To 4
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
4WARNING: IF THE OCCUPANT RESTRAINT CONTROLLER IS DROPPED
AT ANY TIME, IT MUST BE REPLACED.
WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
If there are no possible causes remaining, view repair.All
Repair
Replace the Occupant Restraint Controller (ORC) in accordance
with the Service information. WARNING: Make sure the battery
is disconnected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.
140
AIRBAG
ORC, PASSENGER SBS SHORT TO GROUND - ACTIVE ÐContinued