KIA P2M Posts Favorite Charge Port Pin Functions Have you ever been curious about what the seven pins are for in a charging connector? Here is your chance to find out! Pin Number and Signal 110V-220V AC (-)110V-220V AC (+)Control PilotProximity DetectionGround400~1000V DC (-)400~1000V DC (+) Pins 1, 2, and 5 These three pins are pretty much what you would find in a household outlet. Pin 3 The Control Pilot (CP) pin communicates the charging status between the VCMS and charger. AC charging uses a pulse-width modulation (PWM) signal.DC charging uses PWM and a power line communication (PLC) signal.PLC signals include SOC, temperature, remaining charge time, and payment information. Pin 4 The Proximity Detection (PD) pin communicates charge adapter connection: 4.45V = not connected1.5V = connected2.8V = V2L (Onboard Power Generator*) adapted button pressed Pins 6 and 7 These pins are used for DC Fast Charging* current. As always, use KGIS to find the most current service information, and thank you for supporting Kia Technical Training! Charging EV KGIS Technical More Kia P2M Posts We’d love your feedback! Email Address* Please help us by providing feedback that could make the ePRG work even better for you.*Rate Your Experience*Rate Your ExperienceExcellentPretty goodNeutralNot so greatTerrible KiaExpert@Home × My Kia Expert@Home* is a nationwide program (for a limited time only) that offers a complementary, personalized, & premium follow-up features demonstration for the EV9 in person or virtually.