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.
2005 Toyota MR2 C65MFACTORY OEM SERVICE PROCEDURE
Inspection Procedure
HINT:
- If DTCs related to different systems that have terminal E2 as the ground terminal are output simultaneously, terminal E2 may have an open circuit.
- Read freeze frame data using a hand-held tester or OBD II scan tool. Freeze frame data record the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data, from the time the malfunction occurred.
- Check accelerator pedal position sensor (See THROTTLE BODY (SMT)
).
- NG: Replace accelerator pedal position sensor (See INSPECTION ).
- OK: Go to next step.
- Check voltage between terminals VPA and E2, and VPA2 and E2 of ECM connector.
PREPARATION:
- Turn the ignition switch to ON.
CHECK:
Measure the voltage between terminals VPA and E2, and VPA2 and E2 of ECM connectors.
OK:
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.