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 MANUALSCHEVROLET2000CAVALIER BASE, 2D COUPE, AUTOMATIC, 4T40E/MN4REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4
Control Units
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4SECTION Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| Alternative Fuel Engine Control Unit (AF ECU) | At left front corner of engine compartment, behind headlamp. |
| Body Control Module (BCM) | Behind left side of dash. |
| Cruise Control Module | On right side of engine compartment. |
| Electronic Brake Control Module | Next to master cylinder. |
| Fuel Tank Module | Under rear of passenger compartment, at fuel tank. |
| Ignition Control Module (2.2L VIN 4) | On top rear of engine, at ignition coil. |
| Ignition Control Module (2.4L VIN T) | On top left of engine, under cover. |
| Multi-Function Alarm Module | On convenience center. |
| Powertrain Control Module (PCM) | In right front corner of engine compartment, behind fascia. |
| Sensing & Diagnostic Module (SDM) | Below right front seat. |
RENDER: 1.0x
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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.