Hyundai Elantra (CN7): Advanced Driver Assistance System (ADAS)

Components and components location Component Location1. Heater control unitComponents[Connector A] Pin No Function Pin No Function 1Mode control actuator (Feedback)21Mode control actuator (Vent)2Intake actuator (Feedback)22Mode control actuator (DEF)3Passenger's temperature control actuator 23Intake actuator (FRE)4Driver's temperature control actuator 24Intake actuator (REC)5DEF actuator feedback25Passenger's temperature control actuator (Cool)6Ionizer diagnosis26Passenger's temperature control actuator (Warm)7-27Driver's temperature control actuator (Cool)8Photo sensor (-) [LH]28Driver's temperature control actuator (Warm)9Photo sensor (-) [RH]29DEF actuator (Open)10-30DEF Driver's temperature control actuator (Coles)11Auto defoging sensor (SDA)31-12Auto defoging sensor (SCL)32-13Auto defoging sensor glass temperature33-14AMB sensor (+)34P_CAN Low15EVAP sensor (+)35P_CAN High16-36Clean signal17-37-18-38-19-39-20-40Ground[Connector B] Pin No Function Pin No Function 1Ground13Ground2Sensor ground14ECV (-) Ground3FET (Gate) (Power mosfet specifications)15ECV (+)4FET (Drain feedback) (Power mosfet specifications)16-5Blower motor (+) (Power mosfet specifications)17-6Blower INH (PWM specifications)18-7Blower IS (PWM specifications)19PTC relay (Gasoline PTC specifications)8Blower PWM IN (PWM specifications)20-9Sensor REF (+5V)21-10-22LIN BUS (PM Sensor)11-23IGN112Battery24IGN2 Repair procedures Replacement1.

Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09890-3V100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.