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.
2002 Mazda 626 ES, AutomaticFACTORY OEM SERVICE PROCEDURE
Control During Straight Travel
- The ABS / TCS control module computes the speeds of the 4 wheels.
- If the drive wheel speed exceeds the driven wheel speed by more than the regulation amount, the ABS / TCS control module judges that slipping has occurred, and starts control.
- When control starts, the ABS / TCS control module decides the optimum amount of engine torque reduction for the amount of slippage, and sends signals communicating this torque reduction amount to the PCM.
- In accordance with these signals, the PCM executes torque reduction by fuel cuts and retarding ignition timing.
Factory Service Tools
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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.
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