Hyundai Santa Fe (TM): Smart Key System / Smart Key Unit. Schematic diagrams

Components (1) Connector Pin Information No Connector A Connector B Connector C 1 Fuel door release switch_input GND_ECU Front wiper relay (Low)_output 2 Fuel door open switch_input PDW-F power_output ESCL (+)_output 3 GND_Power ESCL (-)_output Start relay_output 4 PDW-R_Power_Output Front wiper high relay_output IGN1 relay_output 5 EMS ECU wake up_output PDW-R switch IND_output Immobilizer antenna power_output 6 Rear washer switch_input P-Position_input Immobilizer antenna ground_output 7 LIN4 (Rear seat remind) - - 8 P_CAN (Low) Rear view switch_input Driver outside handle antenna(+)_output 9 P_CAN (High) - Interior1 antenna (+)_output 10 - Wheel speed sensor_input Front bumper antenna (+)_output 11 B_CAN (Low) - Tailgate3 antenna(+) 12 B_CAN (High) 3rd line sheet belt indicator RH_output - 13 SSB switch_input - Passenger outside handle antenna(+)_output 14 Driver handle antenna switch_input Rear center seat belt indicator_output Immobilizer K-Line 15 P-Position_input (PWM) Fuel door open relay_output Bumper antenna (+)_output - 16 Fog switch_input - Interior antenna2(+)_output 17 Light switch_input Auto light sensor signal_input IGN2_input 18 Front wiper INT volume switch_input Auto light sensor power_output IGN1_input 19 Multifunction switch_input ATM solenoid_output IGN2 relay_output 20 Assist mirror unfolding switch_oupout Puddle pocket lamp_output Battery_power 21 Assist mirror (Horizontal)_output - Brake switch_input 22 Front washer switch_input SSB ring illumination_output Start feedback_input 23 Front wiper low switch_Input piezo buzzer_output - 24 LIN1 (PDW) SSB symbol illumination_output Driver outside handle antenna (-)_output 25 LIN2 (Safety ECU) Fuel door close relay_output Interior1 (-)_output 26 LIN3 (Rain sensor) Wiper power relay_output Front bumper antenna (-)_output 27 PDW-R power_input Rear seat belt indicator RH_output Passenger outside handle antenna (-)_output 28 PDW_input Rear seat belt indicator LH_output ESCL COM 29 SSB switch1_input 3rd line sheet belt indicator LH_output Tailgate3 antenna(-) 30 ESCL unlock_input Rear wiper relay_output ESCL Enable_output 31 Passenger outside handle switch_input Auto light sensor ground_output Bumper antenna (-)_output 32 PDW switch_input Wiper parking switch_input Interior antenna2 (-)_output 33 Sun roof Status_input ACC_input 34 Head lamp switch(High)_input Mirror power_input 35 Front wiper switch_input ACC relay_output 36 Rear wiper switch_input Battery (+)_ECU 37 Assist mirror folding _output 38 Assist mirror (Vertical)_output

Removal Integrated Body Control Unit (IBU) 1. Disconnect the negative (-) battery terminal. 2.