Hyundai Sonata: Telemetics Unit (TMU). Repair procedures - MTS System - Body Electrical SystemHyundai Sonata: Telemetics Unit (TMU). Repair procedures

Removal

1.
Remove the audio monitor (or AVN head unit) after loosening the mounting screws.
(Refer to the BE group - "Audio Unit" or "AVN Unit")
2.
Remove the MTS unit (A) after loosening the mounting screws.

Installation

1.
Install the MTS unit.
2.
Install the audio monitor (or AVN head unit) and crash pad center fascia panel.

Inspection

1.
After replacing the TMU, connect to "call center" by pushing the Blue Link button.
2.
If Blue Link service connected successfully, and then technician can hear the "Welcome to Hyundai Bluelink" sound.
After replacing the TMU, the TMU automatically read the Vehicle Identity Number (VIN) and send it to Blue Link service center.
In this reason, technician have to test that Blue Link connect normally.

    Mic. Repair procedures
    Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") ...

    See also:

    Repair procedures
    Service Adjustment Procedure Oil level Check A check of ATF level is not normally required during scheduled ...

    Recommended cold tire inflation pressures
    All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than one mile (1. ...

    Battery recharging
    Your vehicle has a maintenance-free, calcium-based battery. If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the veh ...