× 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: How can I easily find out whether it's the PS pump or rack
Posted to Technical Discussion Forum on 2/18/2005

Hi Chuck

Keep in mind that this car has speed sensitive steering, or as Toyota calls it, Progressive Power Steering (PPS) system. It has a power steering ecu that duty cycles (based on vehicle speed) a solenoid mounted on the rack. I've had failures with PPS... Login to read more.