Description & Operation
WARNING: This page is about a different car, the 2004 Mazda 6 and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
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. For 2003 models, see COMPUTER RELEARN PROCEDURES
article in GENERAL INFORMATION before disconnecting battery. For 2004 models, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
Cooling fans are controlled by cooling fan relays which are regulated by Power Control Module (PCM) based upon various input signals. See WIRING DIAGRAMS .