Module, Occupant Restraint Controller: Installation: Module
To avoid serious or fatal injury on vehicles equipped with side curtain airbags, disable the Supplemental Restraint System (SRS) before attempting any Occupant Restraint Controller (ORC) diagnosis or service. The ORC may contain a rollover sensor, which enables the system to deploy the side SRS components in the event of a vehicle rollover event. If an ORC containing a rollover sensor is accidentally rolled during service while still connected to battery power, the side SRS components will deploy. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.
To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbag, seat belt tensioner, impact sensor or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.
To avoid serious or fatal injury, never strike or drop the Occupant Restraint Controller (ORC) as it can damage the impact sensor or affect its calibration. The ORC contains the impact sensor, which enables the system to deploy the Supplemental Restraint System (SRS) components. If an ORC is accidentally dropped during service, the module must be scrapped and replaced with a new unit. Failure to observe this warning could result in accidental, incomplete or improper SRS component deployment.
- Position the Occupant Restraint Controller (ORC) (1) over the three studs of the ORC adapter bracket (3) and the mount (4) welded onto the top of the floor panel transmission tunnel. When the ORC is correctly positioned, the arrow on the ORC label will be pointed forward in the vehicle.
- Install and tighten the three nuts (2) that secure the ORC to the studs of the ORC bracket and mount. Tighten the nuts to 12 N.m (9 ft. lbs.).
- Reconnect the instrument panel (2) and body (3) wire harness connectors for the ORC (1) to the ORC connector receptacles located on the right facing side of the module. Be certain that the latches on both connectors are each fully engaged.
- Reinstall the ORC cover onto the ORC. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, INSTALLATION .
- Do not reconnect the negative cable to the battery at this time. The Supplemental Restraint System (SRS) Verification Test procedure should be performed following service of any SRS component. Refer to SUPPLEMENTAL RESTRAINT SYSTEM VERIFICATION TEST .NOTE:
If the ORC is being replaced with a new unit or if the ORC software has been re-flashed, the Electronic Stability Control (ESC) system will require re-initialization using a diagnostic scan tool. Refer to the appropriate diagnostic procedures.