Hyundai Elantra (CN7): Body Electrical System / Smart Key System
- Description and operation
- Components and components location
- Specifications
- Smart Key
- Smart Key Unit
- Smart Key Diagnostic
- Smart key antenna
Schematic diagrams Components Repair procedures RemovalRoof Antenna1.Disconnect the negative (-) battery terminal.2.Remove the roof trim.(Refer to Body - "Roof Trim Assembly")3.
DescriptionThe SMART KEY system is a system that allows the user to access and operate a vehicle in a very convenient way. To access the vehicle, no traditional key or remote control unit is needed.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Antenna Coil
Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")3.Remove the steering column shroud panel.(Refer to Body - "Steering Column Shroud Panel")4.Disconnect the immobilizer connector (A) and press the locking pin (B) using an awl.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater & A/C Control Unit (DATC)
Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Battery9IGN22ILL+ (TAIL)10ISG Battery (+)3-11IGN14LIN BUS12HTD5-13-6-14-7-15-8RHEO (
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