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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 5 (ENGINE CONTROLS - TESTS W/CODES - 2.3L)SELF-DIAGNOSTIC SYSTEMDRIVE CYCLE PROCEDURENOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Drive Cycle Procedure: Notes
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 1997 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Disconnecting battery will reset memory. DO NOT
disconnect battery during and after drive cycle procedure. Vehicle speed and engine speed detected by ECM/PCM may differ from that indicated by speedometer and tachometer. Check vehicle speed and engine speed during drive cycle procedure using scan tool. If OBD-II system check is not completed during a drive cycle procedure, OBD-II system detects a malfunction or drive cycle procedure was not completed correctly.
- Connect scan tool. Start engine. Select GENERIC OBDII FUNCTIONS. Select ON BOARD SYSTEM READINESS mode. Check OBDII system check condition. If scan tool displays ALL TESTS ARE COMPLETE, drive cycle procedure does not need to be performed. If scan tool does not display ALL TESTS ARE COMPLETE, go to next step.
- Select PID/DATA MONITOR. Select RFCFLAG and press START. If RFCFLAG status is YES, go to next step. If status is NO, perform DRIVE CYCLE-MODE 1.
- Select ON BOARD SYSTEM READINESS mode. If EVAPORATIVE PURGE SYSTEM check status is YES, go to next step. If check status is NO, perform DRIVE CYCLE-MODE 4.
- Select ON BOARD SYSTEM READINESS mode. If EGR SYSTEM check status is YES, go to next step. If check status is NO, perform DRIVE CYCLE-MODE 2.
- Select ON BOARD SYSTEM READINESS mode. If OXYGEN SENSOR HEATER check status is YES, go to next step. If check status is NO, perform DRIVE CYCLE-MODE 3.
- Select ON BOARD SYSTEM READINESS mode. If OXYGEN SENSOR check status is YES, go to next step. If check status is NO, perform DRIVE CYCLE-MODE 3.
- Select ON BOARD SYSTEM READINESS mode. If CATALYST check status is YES, no further procedure is required. If check status is NO, perform DRIVE CYCLE-MODE 3.
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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.