On-Vehicle Testing: Notes
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2001 Pontiac Sunfire, 2001 Pontiac Grand Prix, 2001 Pontiac Grand Am, 2001 Oldsmobile Intrigue, and 2001 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
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. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
Before making electrical checks, visually inspect all terminals for clean, tight connections. Ensure all charging system related fuses and fusible links are okay. Check generator mounting bolts and drive belt tension. Ensure battery is fully charged and in good condition prior to testing charging system. Ensure starter is okay. See appropriate STARTERS article.
NOTE:
Manufacturer recommends using CS Electronic Generator Tester (J-41450-B) to test charging system. Follow instructions provided with tester.