When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
A manual that explains the function of the auxiliary fan system in certain vehicle models. It describes how the all-activity module receives temperature and pressure inputs and uses these to control the activation of the left and right auxiliary fans. Specific conditions for turning the fans on or off are detailed, such as refrigerant pressure and coolant temperature thresholds.