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 MANUALSFORD1985THUNDERBIRD BASE, 2.3 W, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSIS1.6L & 2.3L EFI/TURBO TESTSTESTINGHOW TO USE CIRCUIT TESTSOUTPUT STATE TEST
1985 Ford Thunderbird Base, 2.3 W, Automatic
Output State Test
1985 Ford Thunderbird Base, 2.3 W, AutomaticSECTION Output State Test
- These checks are specified in the testing charts. An Output State Test is used to diagnose each actuator. Test is performed in the Key ON/Engine OFF Self-Test mode after Continuous/Memory codes have been sent. With Self-Test activated, momentarily depress throttle to WOT position and release. More auxiliary EEC actuators will be energized at this time.
- A second full throttle depression will turn them off. Use a digital volt-ohmmeter (DVOM) to check output states. Readings above 10.5 volts indicate actuators, are on readings below 2 volts indicate actuators are off. Each test will tell what action should be taken according to voltage shown on DVOM.
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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.