× 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: 5V from PCM SIG RTN wire?
Posted to Technical Tips Forum on 7/4/2000

[...trimmed text...]

Be not fooled The BMW usese this type of feed back signal if you ever run into it ,The VAF uses 5vdc out the signal wire then varies the resistance to ground!

Login to read more.