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: Heater Control Unit
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 actu
Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting
Diagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data s
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