Occupant Restraint Controller (ORC)

9020-PASSENGER SEAT BELT SWITCH SHORT TO BATTERY

For a complete wiring diagram, Refer to the Wiring Information Electrical Diagrams.

- When Monitored:
With the ignition on and the Occupant Restraint Controller (ORC) configured for a Passenger Seat Belt Buckle Switch. The ORC monitors the switch input current ranges.

- Set Condition:
If the ORC detects a short to voltage on the Passenger Seat Belt Buckle Switch circuits the Diagnostic Trouble Code (DTC) will be set active.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Restraints System Pre-Diagnostic Procedure

1. VERIFY ACTIVE PASSENGER SEAT BELT SWITCH DTC

NOTE: Make sure the battery is fully charged.

1. Turn the ignition on.
2. With the scan tool, read ORC DTC.

Does the scan tool display active: 9020-PASSENGER SEAT BELT SWITCH SHORT TO BATTERY?

Yes

- Go To 2

No

- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Initial Inspection and Diagnostic Overview

2. VERIFY THE PASSENGER SEAT BELT SWITCH CIRCUITS

WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

1. Disconnect the Passenger Seat Belt Switch connector.
2. Disconnect the ORC connectors.

NOTE: Check connectors - Clean and repair as necessary.

3. Connect the Load Tool ORC 8443-28 Adapter to the ORC connectors.
4. Measure the voltage on the Passenger Seat Belt Switch Sense circuit between the Passenger Seat Belt Switch connector and ground.
5. Measure the voltage on the Ground circuit between the Passenger Seat Belt Switch connector and ground.

Is there any voltage on either circuit?

Yes

- Repair the Passenger Seat Belt Switch circuits for a short to voltage.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST.Verification Tests.

No

- Go To 3

3. VERIFY OPERATION OF THE PASSENGER SEAT BELT SWITCH
1. Replace the Passenger Seat Belt Switch.
2. Reconnect the vehicle body harness to the switch.
3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.

WARNING: Turn the ignition on, then reconnect the 12-volt battery. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

4. Connect the scan tool to the Data Link Connector - use the most current software available.
5. Use the scan tool and erase the stored codes in all airbag system modules.
6. Turn the Ignition off, and wait five seconds before turning the Ignition on.
7. Wait one minute, and read active codes and if there are none present read the stored codes.

Did the active DTC: 9020-PASSENGER SEAT BELT SWITCH SHORT TO BATTERY return?

Yes

- WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

- WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.

- Replace the Occupant Restraint Controller.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Verification Tests.

No

- Repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Verification Tests.