Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISGENERAL INFORMATIONOBD-II DRIVE CYCLESDRIVE CYCLES2001: MPVMODE 3 (HO2S/TWC MONITOR REPAIR VERIFICATION DRIVE MODE)

2010 Mazda 5 Sport, 2.3 L, Standard

Mode 3 (HO2S/TWC Monitor Repair Verification Drive Mode)

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Mode 3 (HO2S/TWC Monitor Repair Verification Drive Mode)

Using scan tool, check RFCFLAG PID status. If RFCFLAG PID is off, perform PCM adaptive memory drive mode first and go to next step. If RFCFLAG PID is on, go to next step.
Start engine and warm to normal operating temperature. Ensure all electrical and A/C loads are off.
Drive vehicle at specified speeds. SeeFig 1. Stop vehicle and access ON BOARD SYSTEM READINESS menu of GENERIC OBD II FUNCTIONS to check drive mode completion status. RFC should change from NO to YES when test is complete. If test is not complete, turn ignition off and repeat this step. If test is complete, go to next step.
Check test results in DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD II FUNCTIONS. If results are okay (MEAS are within specification), ensure no DTCs are present. If no DTCs are present, repairs are complete. If results are not okay (MEAS are not within specification), repairs are not complete.

Fig 1: HO2S/TWC Monitor Repair Verification Drive Mode, Vehicle Speed Table

Courtesy of MAZDA MOTORS CORP.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.