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.
2000 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE
To Determine If The Sensor Is Functioning
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine.
- Turn the A/C switch on.
- Turn the front fan switch on.
- Connect the positive (+) and negative (-) probes of the tester to terminal A and terminal C of the thermosensor respectively. (The wiring harness connector must be connected to the thermosensor connector.)
- Inspect the voltage as shown below.
- If there is any malfunction, inspect on/off points of the thermosensor.
Magnetic clutch Voltage (V) On B+ Off 0
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.