October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Power Steering Pressure (PSP) Switch (All Models)

PSP switch sends a signal to PCM when power steering pressure (load) rises to more than a predetermined pressure. When power steering load is high, such as during parking, PCM increases engine idle speed through IAC motor to prevent stalling.