Electronic Automatic Temperature Control Module: Notes
CAUTION:
Before replacing any control module, ensure all module ground and power circuits are functioning properly. For circuit identification, see GROUND DISTRIBUTIONGROUND DISTRIBUTION
and POWER DISTRIBUTIONPOWER DISTRIBUTION
in WIRING DIAGRAMS article in ELECTRICAL.
NOTE:
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.