On-Vehicle Testing: Notes
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 are okay. Ensure battery is in good condition prior to testing charging system. Ensure charging system is okay. See appropriate article in GENERATORS & REGULATORS.