FATC 21 26 Output signal to drive 1.PTC heater relay 27 Output signal to drive 2.PTC heater relay 28 Output signal to drive 3.PTC heater relay 29 Driving PWM signal for PTC heater 30 Power supply for FATC Control Head 31 Ignition (Kl15) wake-up input 32 Humidity sensor (Temperature input) 2. HVAC SIDE CONNECTOR (BLUE CONNECTOR) PINOUT DETAILS PIN DESCRIPTION 1 Output LSD 2 Output LSD 3 Positive motor drive for Co-Driver side temperature door 4 Positive motor drive for Driver side temperature door 5 Positive motor drive for mode distribution door 6 Positive motor drive for additional mode distribution door 7 Positive motor drive for air inlet door 8 Diagnostic feedback from Blower motor control module 9 Position feedback from Co-Driver side temperature door actuator 10 Position feedback from Driver side temperature door actuator 11 Position feedback from mode distribution door actuator 12 Position feedback from additional mode distribution door actuator 13 Position feedback from air inlet door actuator 14 Reference voltage for HVAC sensors 15 Input PWM 16 input analog PIN DESCRIPTION 17 Signal ground for HVAC sensors 18 AQS Supply 19 Negative motor drive for Co-Driver side temperature door 20 Negative motor drive for Driver side temperature door 21 Negative motor drive for mode distribution door 22 Negative motor drive for additional mode distribution door 23 Negative motor drive for air inlet door 24 Driving PWM signal for Blower motor control module 25 Input signal from Evaporator temperature sensor 26 Input signal from Co-Driver side discharge temperature sensor 27 Input signal from Driver side discharge temperature sensor 28 Input signal from PTC heater temperature sensor 29 AQS Signal 30 LIN channel for communication with HVAC components
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