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

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Body Electrical System / Seat Electrical / Massage Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat back cover.
(Refer to Body - "Front Seat Back Cover")
3.
Disconnect the lumbar support motor connectors (A).

4.
Press the 2 mounting clips (A) from front seat back.

5.
Remove the lumber support assembly (A).

Installation
1.
Install the lumbar support assembly.
2.
Connect the lumbar support motor connectors.
3.
Install the front seat back cover.
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 ''Power seat module (PSM)'' to check the power seat module (PSM).
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 power seat module (PSM) can be checked.
5.
If you wish to check the power door lock operation by force, select "Actuation test".
Lumbar Support Motor
1.
Disconnect the connectors for each motor.
[Lumbar support motor]

2.
With the battery connected directly to the motor terminals, check if the motors run smoothly.
3.
Reverse the connections and check that the motor turns in reverse.
4.
If there is an abnormality, replace the motors.

Massage Control Unit Components and Components Location
Components Mechanical Lumbar Support Assembly [4 Way Lumbar] [2 Way Lumbar] ...

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