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.
2000 Chevrolet Prizm LSi, StandardFACTORY OEM SERVICE PROCEDURE
Power Circuits
- Using DVOM, check for battery voltage between PCM power terminals and ground. See POWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATION . See Figure or Figure . If battery voltage is not present, check for open fuse or fusible link. If fuse or fusible link is okay, go to next step.
- Turn ignition switch to RUN position. Using DVOM, check for battery voltage at PCM ignition power terminals. If battery voltage is not present, check IGN fuse. If fuse is okay, check for open circuit between battery, ignition switch, and PCM ignition power terminal. If circuits are okay, check for faulty ignition switch.
- Check PCM starter (crank) signal terminal. On vehicles with manual transaxle, depress clutch pedal. On vehicles with automatic transaxle, place gearshift lever in Park. Turn ignition switch to START position. Battery voltage should be present only when ignition switch is in START position.
- If voltage is not present, check CRANK fuse or fusible link between ignition switch and PCM starter (crank) signal terminal. If fuse or fusible link is okay, check for open circuit between ignition switch and PCM starter (crank) signal terminal, or check for faulty ignition switch.
Factory Service Tools
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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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