Kia Optima: Removal - Relay Box (Passenger Compartment). Repair procedures - Fuses And Relays - Body Electrical System - Kia Optima TF 2011-2024 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:

Inspection
1. Turn the ignition switch OFF. 2. Disconnect the CCV connector. 3. Measure resistance between the CCV terminal 1 and 2. 4. ...

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least on ...

Steering wheel audio controls
The steering wheel may incorporate audio control buttons. CAUTION Do not operate audio remote control buttons simultaneously. VOLUME ( +/- ) (1) Press the lever upward ( ) to increase the vo ...

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