B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
If the Occupant Restraint Controller (ORC) cannot detect voltage on the (R106) Passenger Airbag Indicator Driver circuit.
| Possible Causes |
| (R106) PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT SHORTED TO GROUND |
| PASSENGER AIRBAG ON/OFF INDICATOR LAMP |
| ORC |
Diagnostic Test
1.VERIFY THAT DTC B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW IS ACTIVENOTE: Ensure the battery is fully charged.
NOTE: The scan tool, SRS Airbag Load Tool MRL 8443, and DVOM are required to perform the following test.
NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.
Does the scan tool display active: B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW?
Yes
- Go To 2
No
- Go To 5
2.CHECK FOR ACTIVE DTC B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW WITH SWITCH BANK UPPER CONNECTOR DISCONNECTED
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.
Does the scan tool display active: B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW?
Yes
- Go To 3
No
- Replace the Switch Bank Upper in accordance with the Service Information.
- Perform *ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
3.CHECK (R106) PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT FOR A SHORT TO GROUND
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.
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
NOTE: Check connectors - Clean and repair as necessary.
Is the resistance below 100.0 ohms?
Yes
- Repair the (R106) Passenger Airbag Indicator Driver circuit for a short to ground.
- Perform *ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
No
- Go To 4
4.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.
View Repair
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)
5.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
- No problem found at this time. Erase all codes before returning vehicle to customer.