On-Board System Readiness Test Access
DESCRIPTIONAll OBD II scan tools should display the On-Board System Readiness (OSR) Test. The OSR will display supported monitors on the vehicle and the status of all monitors (complete or not complete) at that time. If any monitor is not complete, the scan tools will identify which monitor has not completed. Fuel, misfire and comprehensive components are continuous type monitors and won't display complete or not complete.
Scan Tool Instructions
These are general instructions for operating a generic scan tool. Refer to the manufacturer's manual for specific instructions.
- Perform the necessary vehicle preparation and visual inspection.
- Connect scan tool to DLC.
- Turn ignition key to the On position or START vehicle (depending on the pinpoint/diagnostic instructions for the type of data requested).
- Verify tool is connected and communicating properly.
- View the requested information.
- When finished, turn ignition key to the Off position.
- Disconnect scan tool from vehicle.