Kia Optima: Removal - Relay Box (Passenger Compartment). Repair procedures - Fuses And Relays - Body Electrical System - Kia Optima TF 2011-2025 Service ManualKia Optima: Removal

Passenger Compartment Junction Box (SJB)

1. Disconnect the negative(-) battery terminal.
2. Remove the crash pad lower panel (A).

(Refer to the BD group - "Crash pad")

3. Disconnect the connectors (A) from the fuse side of the smart junction box.

4. Remove the smart junction box after loosening the mounting nuts (2EA).
5. Disconnect the connectors from the back side of the smart junction box.

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 functi ...

Installation
1. Install the smart junction box. 2. Install the crash pad lower panel. 3. Check that all system operates normally. ...

See also:

Removal
Replacing an on/off solenoid valve (SS-A, SS-B) does not require additional hydraulic pressure adjustment; however, the hydraulic pre ...

Center console storage
To open the center console storage, pull up the lever. ...

Headrest
To raise the headrest, simply pull it up to the desired position. To lower the headrest, press the release lever on the left side grommet, while pushing the headrest down to the desired position ...

Copyright www.kiopman.com 2025