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 MANUALSBUICK1982REGAL SPORT, TRANS MFR CD 350C/MX5REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSCOMPUTER COMMAND CONTROLDIAGNOSIS & TESTINGCCC DIAGNOSISENTERING DIAGNOSTIC MODE
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5
Entering Diagnostic Mode
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5SECTION Entering Diagnostic Mode
- Turn ignition on (engine off). "CHECK ENGINE" lamp should glow. Locate Assembly Line Data Link (ALDL) connector attached to ECM wiring harness under instrument panel. Insert lug terminal across "TEST" terminal and "GROUND" terminal. See Fig 1.NOTE: Early model "J" cars are equipped with a 5-pin ALDL connector. Later model "J" cars and all other models are equipped with a 12-pin connector.
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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.