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.
1985 Toyota Van LE, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Cut Deceleration System
- Connect tachometer to engine. Start and warm engine to normal operating temperature.
- Disconnect wiring connector from throttle position sensor. Using a jumper wire, short-circuit terminals TL and IDL on wiring connector.
- Slowly raise engine speed and watch tachometer. Tachometer fluctuation on Vans should be between 2200 RPM-1800 RPM. If not check throttle position sensor and ECU.
Factory Service Tools
Use the Manual With the Right Hardware
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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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