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Kia Sedona: MTS Control Unit Repair procedures - MTS System - Body Electrical System - Kia Sedona YP Service ManualKia Sedona: MTS Control Unit Repair procedures

Third generation YP (2014-2021) / Kia Sedona YP Service Manual / Body Electrical System / MTS System / MTS Control Unit Repair procedures

Removal
[AVN Type]
   
•
Take care not to scratch the cluster fascia panel and related parts.
•
Eject all the disc before removing the AVN head unit to prevent damaging the CD player''s load mechanism.
•
When using a screwdriver or remover to disassemble, wrap protective tape on the tool.
•
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil.
1.
Disconnect the negative (-) battery terminal.
2.
Remove the center fascia upper panel.
(Refer to Body - "Center Fascia Panel")
3.
Remove the AVN head unit (A) after loosening the screws.

4.
Disconnet the AVN head unit connectors (A).

   
•
If CD does not eject, do not remove it by force.
•
The CD player may get damaged.
•
Contact the nearest dealer for assistance.
[UVO AUDIO + MTS Type]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cluster.
(Refer to Indicators And Gauges - "Instrument Cluster")
3.
Disconnect the MTS unit connectors (A).

4.
Remove the MTS unit (A) after loosening the nuts.

Installation
[AVN Type]
1.
Connect the AVN head unit connector.
2.
Install the AVN head unit.
3.
Install the center fascia upper panel.
4.
Connect the negative (-) battery terminal.
   
•
Make sure that the connectors are connected properly.
•
Check the AVN system.
[UVO AUDIO + MTS Type]
1.
Install the MTS unit.
2.
Connect the MTS unit connector.
3.
Install the cluster.
4.
Connect the negative (-) battery terminal.
Inspection
Diagnosis With GDS
1.
The body electrical system can be quickly diagnosed for faulty parts using vehicle diagnostic system (GDS). The diagnostic system (GDS) provides the following information:
(1)
Self diagnosis : Checking the failure code (DTC) and display
(2)
Current data : Checking the system input/output data state
(3)
Actuator test : Checking the system operation condition
(4)
Additional function : Other controlling such as he system option and zero point adjustment
2.
Select the ''Car model'' and the system to be checked in order to check the vehicle with the tester.
3.
Select the ''Telematics Unit (TMU)'' to check the telematics unit.
4.
Select the ''Current Data" menu to search the current state of the input/output data.
The input/output data for the sensors corresponding to the TMU can be checked.

5.
To check the DTC of the TMU, select "Diagnostic trouble codes".
MTS Control Unit Components and Components Location
Component (Only for the audio TMU System)     The UVO unit for AVN is integrated in the AVN head unit. ...

Multifunction Switch
...

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