B1203-SRS WARNING INDICATOR CIRCUIT/PERFORMANCE

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition on, the Occupant Restraint Controller (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

ORC

Diagnostic Test

1.CHECK FOR AN ACTIVE DTC

NOTE: Ensure the battery is fully charged.

NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.

Select DTC type.

Active

Go To 2

Stored

Go To 4

2.CHECK FOR INSTRUMENT CLUSTER DTCs

Does the scan tool display any Instrument Cluster DTCs?

Yes

Refer to the symptom list for problems related to the Instrument Cluster.
Perform the *ORC VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)

Go To 3

3.REPLACE THE ORC

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and personal injury or death.

Repair

Replace the ORC in accordance with the service information.
Perform the *ORC VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)

4.TEST FOR INTERMITTENT CONDITION

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.

WARNING: To avoid personal injury or death, maintain a safe distance from all airbags while performing the following steps.

Does the scan tool display any ACTIVE DTCs?

Yes

Select the appropriate diagnostic procedure from the Table of Contents in this section.

No problem found at this time. Erase all codes before returning vehicle to customer.