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.
1992 Chevrolet Cavalier RS, 2D Convertible, 2.2 4, StandardFACTORY OEM SERVICE PROCEDURE
Electronic Control Module (ECM): Notes
CAUTION:
Electronic components used in control systems are designed to carry very low voltages. As little as a 30-volt charge created by static electricity can cause a total or degrading failure in ECM or other electronic components containing integrated circuits. Before servicing ECM, ground yourself and ground the work area to discharge stored electricity.
STATIC CHARGE (VOLTS)
| Movement | Relative Humidity 10-20% | Relative Humidity 65-90% |
|---|---|---|
| Handling Clear Plastic Bag | 20,000 | 1200 |
| Handling Vinyl Envelope | 7000 | 600 |
| Sliding On Velour Seat | 15,000 | 400 |
| Walking On Carpet | 35,000 | 1500 |
| Walking On Tile/Vinyl | 12,000 | 50 |
CAUTION:
DO NOT
remove part from packaging until ready to install. Ground any static-proof package before opening. DO NOT
touch electrical terminals of components unless properly grounded. DO NOT
lay electrical components on car seat, carpeting or dashboard. Use electrostatic protection mat and ground strap whenever possible. See Fig 1.
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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