HO2S/TWC Repair Verification Drive Mode

HO2S/TWC Repair Verification Drive Mode






NOTE:
- The IAT PID must be below 76 °C {170 °F} to initiate the HO2S/TWC monitor.
- The FLI PID must be above 15 % to initiate the HO2S/TWC monitor.
- Monitor implement waiting condition will start after 5 minutes of engine started.
- After the monitoring conditions are set, system testing requires at least 30 seconds to complete.

1. Connect WDS or equivalent to data link connector.
2. Warm vehicle up and verify ECT PID is within 80 - 115 °C {175 - 240 °F}.
3. Drive vehicle within 48 - 204 km/h {30 - 127 mph} and maintain a constant speed for at least 2 minutes.
4. Return to idle for at least 20 seconds.
5. Stop vehicle and access to On Board System Readiness Test Function (MODE01) to check the drive mode completion status.
- If not completed, turn the ignition key to off then repeat Steps 3 to 5 at least one more time.

6. Access to Diagnostic Monitoring Test Results Function (MODE06) to check the monitor results. If values are not within specification, repair has not completed.
7. Verify no DTCs are available.