System Tests: Communications: Notes

CAUTION: Always turn ignition off before disconnecting or connecting any control module connector. Failure to do so could result in damage to control module.

NOTE: Prior to performing any communications tests, ensure all system related fuses are okay. See WIRING DIAGRAMS . See POWER DISTRIBUTION article in WIRING DIAGRAMS. For communications system wiring diagram, see DATA LINK CONNECTORS article in WIRING DIAGRAMS.