Mode 3 (HO2S heater, HO2S, and TWC Repair Verification Drive Mode)

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Perform "PCM Adaptive Memory Production Drive Mode" first.
Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
3. Drive the vehicle as shown in the graph. The driving conditions before driving at constant speed are not specified.

Fig 1: Mode 3 Vehicle Speed Drive Mode Graph
Courtesy of MAZDA MOTORS CORP.
Stop the vehicle and access the ON BOARD SYSTEM READINESS menu of GENERIC OBD-II FUNCTION to verify the OBD monitoring status.
- If completed, the OBD monitoring status items change from non-completed to completed.
- If not completed, turn the ignition switch off, then repeat from Step 3.
Access the DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD-II FUNCTIONS to verify the monitor results.
- If the detected values are not within the specification, the repair has not been completed.
Verify no DTCs are available.