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)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM DEACTIVATION PROCEDURESJEEPSYSTEM OPERATION CHECKCHEROKEE, GRAND CHEROKEE & WRANGLER
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4
Cherokee, Grand Cherokee & Wrangler
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4SECTION Cherokee, Grand Cherokee & Wrangler
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. If driveability problems exist, see appropriate computer relearn service information.
- Connect scan tool to Data Link Connector (DLC). DLC is located under left side of instrument panel, near steering column. Use latest version of scan tool cartridge
- Turn ignition switch to RUN or ON position, with engine off. Exit vehicle with scan tool. Ensure no one is inside vehicle.
- Using scan tool, read and record any active or stored Diagnostic Trouble Codes (DTC). If DTCs are not active, erase all stored DTCs. If an active SRS problem exists, DTCs will not erase.
- With ignition still on, check that nobody is in the vehicle. From outside of the vehicle, and away from air bags, turn ignition off for about 10 seconds, then back to the RUN or ON position.
- Observe AIR BAG warning light. AIR BAG warning light should come on for 6-8 seconds, then go out, indicating system is functioning properly. If AIR BAG warning light either fails to come on, blinks on and off, or comes on and stays on, a system malfunction exists. Repair as necessary.
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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.