2019 Kia Sedona EXFACTORY OEM SERVICE PROCEDURE

Power/Display Defect

WARNING: This page is about a different car, the 2020 Kia Sedona. However, it is still accessible from the selected car via links, so may be relevant.
  1. System features/Misdiagnose cases
    Inspection Description
    (1) System features
    1. IGN ON (H/U B+, ACC Power on), H/U Power must be ON.

      (Normal display - No lines, broken character, white screen)

    2. IGN OFF (B+, ACC Power off), H/U Power must be OFF

    (No power on/off by itself)
    (2) Misdiagnose cases
    1. Vehicle modification affects multimedia (Black box, custom navigation, custom mic)
    2. Battery is drained
    3. Multimedia switch is OFF on fuse box
  2. No power on
    Inspection Description
    (1) Duplicate issue
    1. Duplicate issue during IGN ON (BATT, ACC Power on) is it intermittent?

    → If unable to duplicate, proceed with test driving
    (2) External/Environmental issue
    • Vehicle modification
    • Cable connection
    1. Vehicle modification
      1. Custom Navigation installed/black box power on/Reception related modification
    2. Fuse box - Multimedia Fuse
      1. Check multimedia fuse in the fuse box

      → Replace fuse and re-test

    3. Main cable (Connection/Power)
    1. Check connection status of H/U ↔ main power (B)

      → If connection is loose or disabled, reconnect and check

    2. If connection status is normal, contact may be bad, So shake the cable and check

      → If defect is dependent on shaking cable, check cable and connector

      H/U Input power (Approx. 14.4V)

      (Yellow: B+, Red: ACC)→If no power, check cable connection

      →If power is good, replace H/U

    G13046643G13046644Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
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    When to See a Mechanic

    Stop DIY work and contact a certified mechanic immediately if any of the following apply:

    • • You smell fuel, burning insulation, or see smoke.
    • • Brakes feel soft, pull hard to one side, or make grinding noises.
    • • The engine overheats, stalls repeatedly, or misfires under load.
    • • You are missing required tools, torque specs, or safe lifting equipment.
    • • You are not confident in the next step or safety outcome.