Kia Soul: Relay Box (Passenger Compartment) Repair procedures - Fuses And Relays - Body Electrical SystemKia Soul: Relay Box (Passenger Compartment) Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Fuse Inspection
1.
Be sure that there are no loose fuse holders and that the fuses are held securely.
2.
Is the fuse capacity correct for each circuit?
3.
Are there any blown fuses?
If a fuse is 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.
Inspection
1.
The SJB can be diagnosed by using the GDS. The SJB communicates with the GDS which then displays inputs and outputs along with codes.
2.
To diagnose the SJB function, select the vehicle model, BCM and SJB.

3.
To consult the present input/output values of SJB, select "Current DATA". It provides information on SJB input/output conditions.

4.
To perform functional test on SJB outputs, select "Actuation Test"

Removal
Passenger Compartment Junction Box (SJB)
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the connectors from the fuse side of the smart junction box.
4.
Remove the smart junction box (A) after loosening the mounting nuts and bolt.

5.
Disconnect the connectors from the back side of the smart junction box.
Installation
1.
Install the smart junction box.
2.
Install the crash pad lower panel.
3.
Check that all systems operate normally.
    Relay Box (Passenger Compartment) Description and Operation
    Description Smart Junction Box(SJB) 1. General function : Interior Junction Box + some functions of BCM It uses CAN communication and IPS to control loads. 2. Main functions: – Low ...

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