Kia Optima Hybrid: Audio / Audio Remote Control Repair procedures

Inspection
1.
Check the audio remote control switch (A) for resistance between connector terminals in each switch position.
[LH-Audio]

[LH-Mute]

[Audio]
Switch
Connector terminal
Resistance
(±5%)
Volume down
2-7
6.81 k?
Volume up
2-7
4.61 k?
Mode
2-7
2.11 k?
Seek up
2-7
1.11 k?
Seek down
2-7
430 ?

[Bluetooth + Voice]
Switch
Connector terminal
Resistance
(±5%)
Bluetooth off
2-5
12.1 k?
Bluetooth on
2-5
34.1 k?
Voice
2-5
3.9 k?

[Mute + Trip + Reset]
Switch
Connector terminal
Resistance
(±5%)
Mute
3-4
0 ?
Trip
(General option)
2-5
2.55 k?
Reset
(General option)
2-5
5.55 k?
Trip
(Cruise option)
2-5
1.1 k?
Reset
(Cruise option)
2-5
4.1 k?

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the driver airbag module.
(Refer to the RT group)
3.
Remove the steering wheel.
(Refer to the ST group - "Steering column & shaft")
4.
Remove the steering wheel cover (A) after loosening the screws.

5.
Remove the steering wheel remote control switch connector (A) after loosening the mounting screws.

[LH-Audio]

[LH-Mute]

Installation
1.
Reassemble the steering wheel remote control switch after connecting the connector.
2.
Reassemble the steering wheel.
3.
Reassemble the driver airbag module.
   
Make sure the audio remote control switch and the airbag module connectors are plugged in properly.
Audio Remote Control Schematic Diagrams

Circuit Diagram ...

Multimedia jack Schematic Diagrams

Circuit Diagram ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: SRS Control Module (SRSCM) Repair procedures


Removal 1. Remove the ignition key from the vehicle. 2. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 3. Remove the floor console. (Refer to the Body group - console) 4. Pull up the lock (C), of the SRSCM connector, the disconnect the connector (A and ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures


Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.     If the plunger does not move (PCV valve is clogged), clean or replace the valve. Installation 1. ...

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