Mode 3: HO2S & TWC Repair Verification

1. Perform Drive Mode 1 first. SeeMode 1: PCM Adaptive Memory Procedure .
2. Verify all accessory loads (A/C, headlights, blower fan and rear window defroster) are off.
3. Drive the vehicle as specified. SeeFig 1 orFig 2.
4. Stop the vehicle and access to On-Board System Readiness Menu to check the drive mode completion status.
   • If completed, RFC changes from "NO" to "YES".
   • If not completed, turn ignition off, go to step 3.
5. Access to Diagnostic Monitoring Test Results menu to check the monitor results. If measurements are not within specification, repair has not been completed.
6. Verify no DTCs are available.

Fig 1: Mode 3: HO2S & TWC Repair Verification (2.3L)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Mode 3: HO2S & TWC Repair Verification (2.5L)

Courtesy of MAZDA MOTORS CORP.