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 67 (ENGINE CONTROLS - SELF-DIAGNOSTICS)SELF-DIAGNOSTIC SYSTEMQUICK TESTUSING WORLD DIAGNOSTIC SYSTEM (WDS) OR EQUIVALENT SCAN TOOL
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Using World Diagnostic System (WDS) Or Equivalent Scan Tool
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Using World Diagnostic System (WDS) Or Equivalent Scan Tool
WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
- Record Continuous Memory DTC & Freeze Frame Data - Turn ignition on with engine off. Connect scan tool to DLC. See Fig 1. Retrieve all stored DTCs. Observe and record all DTCs and freeze frame data. Go to next step.
- Verify Related Repair Information - Check for any related Technical Service Bulletins (TSBs). If any TSBs apply, perform indicated repair. If vehicle is now repaired, procedure is complete. If no TSBs apply, go to next step.
- Perform Key On Engine Off (KOEO) Self-Test - Start engine and allow to reach normal operating temperature. Turn off all electrical accessories. Perform KOEO self-test procedure. If any DTCs are present, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no DTCs are present, go to next step.
- Perform Key On Engine Running (KOER) Self-Test - Start engine. Perform KOER self-test procedure. If any DTCs are present, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no DTCs are present, go to next step.
- If Continuous Memory DTCs are present in first step, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS . If Continuous Memory DTCs are not present, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.
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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.