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 MANUALSCADILLAC1985FLEETWOOD BASE, 4D LIMOUSINEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISDFI BCM TESTS W/CODES - FWDSTATUS LIGHT DISPLAY"AUTO" BUTTON
1985 Cadillac Fleetwood Base, 4D Limousine
"Auto" Button
1985 Cadillac Fleetwood Base, 4D LimousineSECTION "Auto" Button
This light is illuminated when ECM is operating in "closed loop" fuel control mode. This light should come on when the coolant temperature and oxygen sensors reach operating temperature.
RENDER: 1.0x
NO RELATED
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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.