× 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: Another can you fix it? P0453 FTP sensor high voltage
Posted to Technical Discussion Forum on 1/13/2009 1 Reply

Ckt 890 would go to 5v when unplugged. It is pulled to ground by the sensor. Now look at the diagram for ckt 890 in the PCM, after the resistor the ckt is tied to ground instead of vref. Login to read more.

1 Replies Received (View Replies)