Body Electrical System

Relay Box (Interior) Repair Procedures

17steps
~102min
4/5difficulty
Done 0 of 17

Fuse Inspection

  1. Make sure there is no play in the fuse holders and that the fuses are held securely.
  2. Is the rating of the fuse specified correctly for each circuit?
  3. Is any fuse blown?

Diagnosis with GDS

  1. Body electrical system malfunctions can be quickly diagnosed with the Global Diagnostic System (GDS). The GDS provides the following information.
    1. 1) Self-Diagnosis: Check and display diagnostic trouble codes (DTC).
    2. 2) Current Data: Check system input/output status.
    3. 3) Actuator test: Check the operating status of the system.
    4. 4) Additional Functions: Other controls such as option selection and zero point adjustment.
  2. Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
  3. Select "Smart Junction Box (SJB)".
  4. Select the "Current Data" menu to check the current input/output status. Input/output data for the sensors connected to the Smart Junction Box (SJB) can be checked.
  5. To forcibly check the operation of the power door lock, select "Active Test".
  6. To change a user setting, select "User Settings".

Removal

  1. Disconnect the negative (-) battery terminal.
  2. Remove the emergency pad lower panel. (Refer to Body - "Emergency Pad Lower Panel")
  3. Disconnect the connectors (A) on the fuse side of the SJB (B).
  4. Remove the SJB after loosening the mounting nuts.

Installation

  1. Install the smart junction box.
  2. Install the emergency pad lower panel.
  3. Connect the negative (-) battery terminal.
  4. Make sure that the entire system operates normally.

Test yourself

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