DTC P0201: No. 1 Injector Circuit Malfunction; DTC P0202: No. 2 Injector Circuit Malfunction; DTC P0203: No. 3 Injector Circuit Malfunction; DTC P0204: No. 4 Injector Circuit Malfunction;: General Description
The injector supplies fuel to the engine and is controlled by the powertrain control module (PCM) ON/OFF command. The PCM monitors the injector condition, and if the return signal from the injector does not change for a specified time, the PCM detects a malfunction and stores a DTC.