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 MANUALSFORD1994ASPIRE SE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODESQUICK TESTSSWITCH MONITOR TESTNOTES
1994 Ford Aspire SE, Automatic
Switch Monitor Test: Notes
1994 Ford Aspire SE, AutomaticSECTION Notes
NOTE:
All switches must be tested individually. Allowing a switch to remain on while testing another will lead to false test results.
This test procedure checks input signals received by ECA from individual switches. Use following procedure to perform switch monitor test:
- Turn engine off and allow it to cool.
- Turn all accessories off.
- Deactivate self-test.
- Ensure transmission lever is in Neutral or Park.
- Turn ignition on.
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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.