Throttle Position Sensor Diagnostics Made Easy The P0120 Code Explained

CIRCUIT DESCRIPTION. The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve. that means no corrosion on wires. sure you could have a defective battery. you could also have a bad alternator sucking down the battery when ... How do I fix code P0120 / Toyota' Lexus Ls 430 P0120 /Throttle/Pedal Position Sensor “A” Circuit How do I fix code P0120? P0120 is an error code that indicates a potential fault with one of your vehicle's TP/APP sensors or the sensor's circuit. Re : [2.2] 1.4 16v 2001 Erreur P0120 ... En premier lieu essayes de déconnecter et reconnecter le papillon pour voir si c'est un problème de ... The type you need to use is the one that contains a contact lubricant, and you need to connect/disconnect several times to help remove any tarnish etc. So, check / clean / replace that. Clear the code, if it re-occurs, set fire to the car and buy a new one. I found the code in the Transmission Diagnostic Procedures in my 2000 FSM. ... This code is set if the trottle angle goes out of range or changes ... OBD-II Code P0120 means that there is a malfunction in the Throttle/Pedal Position Sensor/Switch 'A' Circuit, which is responsible for ... The difference between the TP sensor 1 and TP sensor 2 exceeds a predetermined value for more than 2 seconds. Its likely a corrosion issue in your wiring or ...