DTC P0201, P0202, P0203, P0204: General Description
The injector supplies fuel to the engine and is controlled by the powertrain control module (PCM) ON/OFF command. In the PCM, the injector driver receives a drive commands from the CPU and drives the injector. The CPU monitors injector currents and return signal from the injector driver to monitor a terminal voltage of PCM. If the monitored conditions are abnormal for a specified time, the PCM detects a malfunction and stores a DTC.