B1203

B1203-SRS WARNING INDICATOR CIRCUIT/PERFORMANCE



WHEN MONITORED
With the ignition on, the ORC monitors the CAN B bus for a message from the Instrument Cluster containing the airbag warning indicator status. The ORC requests the warning lamp status from the Instrument Cluster once every second.

SET CONDITION
This DTC will set immediately if the indicator status is LOW or HIGH.

POSSIBLE CAUSES
- Instrument cluster active DTCs
- Occupant restraint controller (ORC)

DIAGNOSTIC TEST

1. CHECK FOR AN ACTIVE DTC

NOTE: Ensure the battery is fully charged.

Turn Ignition On.
With the scan tool, read Occupant Restraint Controller (ORC) DTCs.

Q: Does the scan tool display an active B1203-SRS WARNING INDICATOR CIRCUIT/PERFORMANCE DTC?

YES: Go To 2
NO: Go To 4

2. CHECK FOR INSTRUMENT CLUSTER DTCs
With the scan tool, read Instrument Cluster DTCs.

Q: Does the scan tool display any Instrument Cluster DTCs?

YES: Refer to Instrument Cluster/Carrier for problems related to the Instrument Cluster.
NO: Go To 3

3. REPLACE THE OCCUPANT RESTRAINT CONTROLLER

WARNING:
- TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
- IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND PERSONAL INJURY OR DEATH.

View repair.

Repair
Replace the Occupant Restraint Controller.
Perform the ORC VERIFICATION TEST-VER 1. Occupant Restraint Controller (ORC) Verification Test

4. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase all DTCs from all Airbag modules.
If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent problem.
Reconnect any disconnected components and harness connector.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.

With the scan tool, monitor active codes as you work through the following steps.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING STEPS.

Wiggle the wiring harness and connectors of the related airbag circuit or component.
If only stored codes return, continue the test until the problem area has been isolated.
In the previous steps you have attempted to recreate the conditions responsible for setting the active DTC in question.

Q: Does the scan tool display any ACTIVE DTCs?

YES: Select appropriate symptom from Symptom List.
NO: No problem found at this time. Erase all codes before returning vehicle to customer.