On-Vehicle Testing: Notes

WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. 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, perform PRELIMINARY INSPECTION under TROUBLE SHOOTING. Ensure starting system is okay. See appropriate STARTERS article.

NOTE: Connector Test Adapter Kit (J-35616-A) must be used whenever a test procedure requires checking or probing terminal. Manufacturer recommends using CS Generator Electronic Tester (J-41450-B) for testing charging system. Follow instructions provided with tester.