P0505 Unlocking the Secrets of Throttle Position Sensor Issues

It starts right up and idles ~800, perfectly smooth and even. the longer it runs the higher the idle gets, up to around 1100 (900 with AC on) when fully warm. This code which states IAC fault, there is no idle air control valve, no idle speed controller, or EGR system. The ECM operates only the IAC valve to perform idle–up and provide feedback for the target idling speed. DTC No. DTC Detecting Condition. Trouble Area. P0505. Celica Forums General Discussion General Code: P0505 ; IDLE AIR CONTROL SYSTEM FAULT. I got the engine code P0505 in my v6 4th Gen 4Runner so it was time to clean my throttle body. This is a complete guide on how to clean the ... P0505 Idle speed control valve (Hijet) · Aung Ko. စက်မမှန်ဘူးနေတယ်အကို ကြီုးတွေကလဲမွလို့ ဆော့ကပ်မပါဘူး ကြိုတွေကလွဲနေတယ် ကြိုးအမှန်လေးသိချင်လို့ပါ. 5 yrs · Mahtieu Kouame Konin. Je suis fan du. 2 ... The code sets when it can't get the idle speed within +200 / -100 of the target for more than x seconds, and it takes a failure in two successive drive cycles ... The ODBII code P0505 indicates a malfunction in the idle control system, which regulates the engine's idle speed. P0505 is thrown when your idle air PWM cannot reach the desired RPM the ECU wants. I get this when controlling my idle with an aftermarket ECU ... Code 0505: Check 1: With the engine idling at operating temperature, remove the electrical connector from the IAC valve. If the idle speed doesn ...