Hyundai Elantra AD Quiz
Body Electrical System

Smart Key Unit Repair Procedures

In this manual: Body Electrical System
General Information — 9Engine Mechanical System — 84Engine Electrical System — 60Emission Control System — 24Engine Control System/Fuel System — 90Automatic Transmission — 92Drive Shaft and Axle — 20Suspension System — 31Steering — 20Restraints — 50Brake System — 63Body (Interior and Exterior) — 214Body Electrical System — 221Heating, Ventilation, and Air Conditioning — 71
41steps
~246min
4/5difficulty
Done 0 of 41

Removal

Smart Key Unit
  1. Disconnect the negative (-) battery terminal.
  2. Remove the glove box. (Refer to Body - Glove Box Assembly Upper Cover)
  3. Remove the smart key unit (A) by disconnecting the connectors (B) and loosening the bolt and nut.
Interior 1 Antenna
  • Be careful not to scratch the airbag and related parts.
  1. Disconnect the negative (-) battery terminal.
  2. Remove the console upper cover. (Refer to Body - Floor Console Assembly)
  3. Remove the interior 1 antenna (B) after loosening the mounting nuts, and disconnect the connector (A).
  4. Disconnect the negative (-) battery terminal.
  5. Remove the console upper cover (Refer to Body - Floor Console Assembly)
  6. Remove the interior antenna 2 (B) after loosening the mounting nuts (2EA) and disconnecting the connector (A).
  7. Disconnect the negative (-) battery terminal.
  8. Remove the rear cross trim. (Refer to Body - Luggage Compartment Trim)
  9. Remove the main antenna (B) after disconnecting the connector (A) and loosening the mounting nuts.
  10. Disconnect the negative (-) battery terminal.
  11. Remove the rear bumper cover. (Refer to Body - Rear Bumper Cover)
  12. Remove the rear bumper antenna (B) after disconnecting the connector (A) and loosening the mounting nuts.
  13. Disconnect the negative (-) battery terminal.
  14. Remove the front left wheel guard. (Refer to Body - Front Wheel Guard)
  15. Remove the buzzer (B) after disconnecting the connector (A).
  16. Disconnect the negative (-) battery terminal.
  17. Remove the front door outside handle. (Refer to Body - Front Door Outside Handle)
Interior 2 Antenna, Main Antenna, Rear Bumper Antenna, Buzzer, Outside Door Handle

Inspection

Smart Key Unit (Refer to Smart Key System - Smart Key Diagnostics) Smart Key Switch (Refer to Smart Key System - Smart Key Diagnostics) Antenna (Refer to Smart Key System - Smart Key Diagnostics) Outside Door Handle
  1. Disconnect the front door outside handle connector (A).
  2. Check the continuity of the circuit between terminals No. 3 and No. 6.
    No Description
    1 Door Antenna (+)
    2 Pocket LED Light (+)
    3 Door Lock/Unlock Button
    4 Door Antenna (-)
    5 Pocket LED Light (-)
    6 Door Lock/Unlock Button Switch Ground

Installation

Smart Key Unit
  1. Install the smart key unit.
  2. Install the smart key unit mounting bolts and connect the connector.
  3. Install the glove box.
  4. Connect the negative (-) battery terminal and check the smart key system.
  5. Install the interior 1 antenna.
  6. Install the center airbag panel.
  7. Connect the negative (-) battery terminal and check the smart key system.
  8. Install the interior 2 antenna.
  9. Install the rear console assembly.
  10. Connect the negative (-) battery terminal and check the smart key system.
  11. Roof Rack Antenna.
  12. Install the rear cross trim.
  13. Connect the negative (-) battery terminal and check the smart key system.
  14. Install the rear bumper antenna.
  15. Install the rear bumper cover.
  16. Connect the negative (-) battery terminal and check the smart key system.
  17. Install the outside handle.
  18. Install the front door outside handle.
  19. Connect the negative (-) battery terminal and check the smart key system.
Interior 1 Antenna, Interior 2 Antenna, Main Antenna, Rear Bumper Antenna, Outside Door Handle

Test yourself

A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.