Nissan Toure P 1220 Fault Code

This is a fault in the throttle position sensor circuit.

The fault code P 1220 is applicable to Isuzu, indicating that there is a fault in the position sensor circuit of the throttle motor. Throttle, commonly known as throttle valve, is a controllable valve used to control the air intake of the engine. The position sensor of the throttle motor is used to transmit the throttle opening to the electronic control unit in the form of electrical signal, which is one of the basic parameters to control the fuel injection of the engine. The fault causes include the throttle motor position sensor itself or its circuit or connector failure, powertrain control module (PCM) and so on.