Kia Optima: Inspection - Relay Box (Passenger Compartment). Repair procedures - Fuses And Relays - Body Electrical System - Kia Optima TF 2011-2021 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:

Temperature control
The temperature control knob allows you to control the temperature of the air flowing from the ventilation system. To change the air temperature in the passenger compartment, turn the knob to th ...

How to use this manual
We want to help you get the greatest possible driving pleasure from your vehicle. Your Owner’s Manual can assist you in many ways. We strongly recommend that you read the entire manual. In order t ...

Tire Rotation
To equalize tread wear, it is recommended that the tires be rotated every 7,500 miles (12000 km) or sooner if irregular wear develops. During rotation, check the tires for correct balance. When ro ...

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