B1206-PASSENGER AIRBAG INDICATOR CIRCUIT OPEN
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 |
| SWITCH BANK UPPER CONNECTOR DISCONNECTED |
| OPEN JUNCTION BLOCK FUSE 10 |
| RUN RELAY OUTPUT CIRCUIT OPEN |
| (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN |
| (R106) PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT OPEN |
| PASSENGER AIRBAG ON/OFF INDICATOR LAMP OPEN |
| OCCUPANT RESTRAINT CONTROLLER (ORC) |
Diagnostic Test
1.VERIFY THAT DTC B1206-PASSENGER AIRBAG INDICATOR CIRCUIT OPEN DTC 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.
Does the scan tool display active: B1206-PASSENGER AIRBAG INDICATOR CIRCUIT OPEN?
Yes
- Go To 2
No
- Go To 8
2.VERIFY SWITCH BANK UPPER CONNECTOR IS CONNECTED
Is the Switch Bank Upper connected to the dash harness?
Yes
- Go To 3
No
- Connect the Switch Bank Upper connector.
- Perform *ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
3.VERIFY F921 FUSED RUN RELAY OUTPUT CIRCUIT VOLTAGE
Is the voltage above 11.5 volts?
Yes
- Go To 5
No
- Go To 4
4.CHECK JUNCTION BLOCK FUSE 10
Is the voltage above 11.5 volts on both side of the fuse?
Yes
- Repair the open F921 Fused run relay Output circuit.
- Perform *ORC VERIFICATION TEST - VER 1.
No
- Repair the open Run Relay Output circuit or replace the Junction Block Fuse 10.
- Perform *ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
5.CHECK UPPER SWITCH BANK
Does the scan tool display active: B1204-PASSENGER AIRBAG INDICATOR CIRCUIT LOW?
Yes
- 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)
No
- Go To 6
6.CHECK (R106) PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT FOR AN OPEN
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 5.0 ohms?
Yes
- Go To 7
No
- Repair the (R106) Passenger Airbag Indicator Driver circuit for an open.
- Perform *ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
7.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)
8.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.