Kia Sedona: Relay Box (Passenger Compartment) Repair procedures - Fuses And Relays - Body Electrical System - Kia Sedona YP Service ManualKia Sedona: Relay Box (Passenger Compartment) Repair procedures

Third generation YP (2014-2024) / Kia Sedona YP Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Fuse Inspection
Be sure that there are no loose fuse holders and that the fuses are held securely.
Is the fuse capacity correct for each circuit?
Are there any blown fuses?
If a fuse needs to be replaced, be sure to use a new fuse of the same capacity. At all times, determine the cause of blown fuse and eliminate the problem before installing a new fuse.
Diagnosis with GDS
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
Select the ''Car model'' and the system to be checked in order to check the vehicle with the tester.
Select the ''Smart Junction Block (SJB)''.
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 Smart Junction Block (SJB) can be checked.

If you wish to check the power door lock operation by force, select "Actuation test".

If you want to change user option, select "user option".

Disconnect the negative (-) battery terminal.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower panel")
Disconnect smart junction box connector (A)

Remove the smart junction box (A) after loosening the nuts.

Install the smart junction box.
Connect the smart junction box connector.
Install the crash pad lower panel.
Connect the negative (-) battery terminal.
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