× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: HIGH PRESSURE 325 PSI
Posted to HVAC Forum on 8/18/2020

Since it happens at the same pressure every time the ECM is commanding high fan at that pressure based off voltage from the pressure sensor. At the fan motor you should see battery voltage coming to the yellow wire when this [...] white/blue and the gray shoul... Login to read more.