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 Saturn LS2 AutomaticFACTORY OEM SERVICE PROCEDURE
Charging System Test
- Ensure battery cable terminals are clean and tight. Using carbon pile load tester, perform generator load test. See CARBON PILE LOAD GENERATOR TEST . If generator did not pass generator load test, go to next step. If generator passed generator load test, check for drains by performing parasitic load test. See PARASITIC LOAD TEST .
- Using scan tool, check for Diagnostic Trouble Codes (DTCs). If DTC P0562 or P0621 is set, go to appropriate DTC test. See DIAGNOSTIC TESTS . If DTCs are not set, replace generator.
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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