Control Pilot Signal Circuit [08/2014 - ]: Description

The plugin charge control ECU assembly detects that the charging cable has been connected using the CPLT signal (control pilot signal). And then it starts the plug-in charge control system and changes the voltage of the CPLT signal (control pilot signal). Using the waveform duty ratio of the CPLT signal (control pilot signal), the plugin charge control ECU assembly recognizes the rated amperage of a charging facility (a 120 V outlet using a charging cable) or charging station. By changing the voltage of the CPLT signal (control pilot signal), the plulgin charge control ECU assembly transmits the status that the vehicle is ready to start charging, to the charging cable (CCID unit).