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: High Voltage Shut-off Procedures


High Voltage Shut-off Procedures     Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.     • High voltage components: ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Anchor Pretensioner (APT) Description and Operation


Description Front seat belt anchor pretensioner operates as well as belt pretensioner at the same time If it gets into its deploy condition after a collision. It is located at near anchor on front seat and it is an equipment to make up for the existing short stroke. Front seat belt anchor pretensioner ...

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