Kia Optima: Inspection - Relay Box (Passenger Compartment). Repair procedures - Fuses And Relays - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: 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/out value of SJB, "Current DATA". It provides information of SJB input/output conditions.

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


Fuse Inspection
1. Be sure there is no play in the fuse holders, and that the fuses are held securely. 2. Are the fuse capacities for each circuit correct? 3. Are the ...

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 p ...

See also:

Removal
1. Disconnect the negative(-) battery terminal. 2. Remove the crash pad lower panel. (Refer to the BD group - "Crash pad") 3. Disconnect ...

Operating door locks from inside the vehicle
With the door lock button To unlock a door, push the door lock button (1) to the “Unlock” position. The red mark (2) on the button will be visible. To lock a door, push the door lock bu ...

Parking Brake and Brake Fluid Warning
Parking Brake Warning This light comes ON when the parking brake is applied with the ignition switch in the START or ON position. The warning light should go off when the parking brake is release ...

Copyright www.kiopman.com 2026