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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2000CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 80 (ENGINE CONTROL SYSTEM - SYSTEM & COMPONENT TESTING)COMPUTERIZED ENGINE CONTROLSPCM POWER & GROUND CHECKGROUND CIRCUITS
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Ground Circuits
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Ground Circuits
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
- Using DVOM, check for continuity to ground at PCM ground terminals. For connector terminal identification, see Fig 1 -Fig 4 . To identify circuits, see WIRING DIAGRAMS . Resistance should be less than 5 ohms. If resistance is not less than 5 ohms, repair open in ground circuit.
- Connect negative lead of DVOM to a known-good ground. Backprobe positive lead of voltmeter to each PCM ground terminal. With vehicle running, DVOM should indicate less than one volt. If DVOM reading is greater than one volt, check for short to voltage, corrosion or loose connection in ground circuit.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.