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 MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (ENGINE CONTROLS - SELF-DIAGNOSTICS - INTRODUCTION)ADDITIONAL SYSTEM FUNCTIONSPARAMETER IDENTIFICATION (PID)ACCESSING GENERIC OBD-II PIDS
1999 Mazda 626 ES, 2.5 D, Standard
Accessing Generic OBD-II PIDs
1999 Mazda 626 ES, 2.5 D, StandardSECTION Accessing Generic OBD-II PIDs
WARNING: This page is about a different car, the 2000 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Ensure test equipment is properly attached. Program scan tool using the following steps:
- Select VEHICLE & ENGINE SELECTION menu.
- Select NEW VEHICLE, YEAR & MODEL.
- Select GENERIC OBD-II OPTIONS. Press CONT button if monitors are not complete.
- Select PID/DATA MONITOR.
- Turn ignition on or start engine and allow to idle.
- Follow operating instructions from scan tool menu.
- Select PIDs and press START to begin monitoring. If PID value is not as specified, perform appropriate SYSTEM TEST.
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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.