System Tests: Communications: Notes
WARNING:
Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
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.
CAUTION:
Always turn ignition off before disconnecting or connecting any control module connectors. Failure to do so could result in damage to control module.
NOTE:
Ensure battery is fully charged before performing any test. For component locations, see COMPONENT LOCATIONS .
NOTE:
For communications system wiring diagram, see DATA LINK CONNECTORS in SYSTEM WIRING DIAGRAMS article in RESTRAINTS.