Kia Optima Hybrid: Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures
| 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 there any blown fuses?
If a fuse is to be replaced, be sure to use a new fuse of the
same capacity. Always determine why the fuse blew first and completely
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/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"
|
| 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. |
| Installation |
| 1. |
Install the smart junction box. |
| 2. |
Install the crash pad lower panel. |
| 3. |
Check that all system operates normally. |
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: CVVT Oil Control Valve (OCV) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification: 6.9 ~ 7.9? [20°C(68°F)] Removal 1. Turn the ignition switch OFF and disconnect the battery negative ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: ATF Warmer Description and Operation
Description The ATF warmer is mounted on the valve body cover to reduce oil viscosity friction by increasing oil temperature under cold condition, which in turn improves fuel efficiency. It is serial mounted on the entry of the Electronic Throttle Controller (ETC), as shown in the diagram, and minimizes ...
© 2025 Copyright www.koptimatfhev.com