System Tests: Communications: Notes
CAUTION:
Always turn ignition off before disconnecting any control module connectors. Failure to do so could result in damage to control module. 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:
For communication system wiring diagram, see COMPUTER DATA LINES in appropriate SYSTEM WIRING DIAGRAMS article in ELECTRICAL.