Body Electrical System

Smart Key Unit Repair Procedures

53steps
~318min
4/5difficulty
Done 0 of 53

Removal

Smart Key Unit
  1. Disconnect the negative (-) battery terminal.
  2. Remove the driver airbag lower panel. (Refer to Body - "Crash Pad Lower Panel")
  3. Remove the smart key unit (B) by disconnecting the connectors (A) 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 center airbag panel. (Refer to Body - "Center Airbag Panel")
  3. Remove the interior antenna 1 (B) by loosening the mounting nuts (2EA) and disconnecting the connector (A).
  4. Disconnect the negative (-) battery terminal.
  5. Remove the rear console assembly. (Refer to Body - "Rear Console Assembly")
  6. Remove the interior antenna 2 (B) by first loosening the mounting screw (2EA) and disconnecting the connector (A).
  7. Disconnect the negative (-) battery terminal.
  8. Open the rear trunk trim. Remove the cross member. (Refer to Body - "Trunk Trim")
  9. Remove the mainline antenna (B) by first disconnecting the connector (A) and loosening the bolt and nut.
  10. Disconnect the negative (-) battery terminal.
  11. Remove the rear bumper cover. (Refer to Body - Rear Bumper Cover)
  12. Disconnect the antenna connector (A) in the center of the rear bumper.
  13. After loosening the nuts (2EA), remove the outside bumper antenna (B).
  14. Disconnect the negative (-) battery terminal.
  15. Remove the front left wheel guard.
  16. Disconnect the connectors, then remove the buzzer (A).
  17. Disconnect the negative (-) battery terminal.
  18. Remove the outside front door handle. (Refer to Body - "Outside Front Door Handle")
  19. Disconnect the negative (-) battery terminal.
  20. Remove the luggage compartment lid rear panel.
  21. Remove the luggage compartment lid trim.
  22. Remove the luggage compartment opener switch assembly (A) after loosening the mounting clip.
  23. Disconnect the connector (A), then remove the luggage compartment opener switch.
Interior 2 Antenna, Mainline Antenna, Rear Bumper Antenna, Buzzer, Outside Door Handle, Trunk Open Switch

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.

    Specified value (ON): 0 ~ 1

    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

  3. Check the continuity of the circuit between the terminals of the luggage compartment door lock.
  4. If continuity is not as specified, inspect the switch.
Tailgate Switch

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 driver's side lower airbag panel.
  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 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 door trim panel.
  19. Connect the negative (-) battery terminal and check the smart key system.
  20. Install the luggage compartment opener switch.
  21. Install the luggage compartment rear trim.
  22. Install the luggage compartment lid rear panel.
  23. Connect the negative (-) battery terminal and check the smart key system.
Interior 1 Antenna, Interior 2 Antenna, Mainline Antenna, Rear Bumper Antenna, Outside Door Handle, Trunk Open Switch

Test yourself

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