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 1 (PCM ADAPTIVE MEMORY DRIVE MODE)

2010 Mazda 5 Sport, 2.3 L, Standard

Mode 1 (PCM Adaptive Memory Drive Mode)

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Mode 1 (PCM Adaptive Memory Drive Mode)

Using scan tool, check RFCFLAG PID status. If RFCFLAG PID is on, procedure is complete, PCM has adaptive memory. If RFCFLAG PID is off, perform following procedure before performing EGR monitor repair verification drive mode or HO2S/TWC monitor repair verification drive mode.
Start engine and warm to normal operating temperature. Ensure all electrical and A/C loads are off. Ensure ignition timing and idle speed are within specification. Adjust as necessary. See BASIC DIAGNOSTIC PROCEDURES article. Ensure nothing is connected to DLC. Increase engine RPM to specified speed. SeeFig 1.
Operate engine at specified RPM for minimum of 15 seconds. Idle engine for more than 20 seconds when cooling fan stops. Using scan tool, monitor RPM PID, FAN2 PID (with A/C) or FAN1 PID (without A/C). Turn ignition off and on. Using scan tool, check RFCFLAG PID to confirm PCM adaptive memory status. If RFCFLAG PID is on, procedure is complete, PCM has adaptive memory. If RFCFLAG PID is off, go back to previous step.

Fig 1: PCM Adaptive Memory Drive Mode, Engine 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.