Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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