Kia Optima Hybrid: Audio / Audio Remote Control Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Body Electrical System / Audio / Audio Remote Control Repair procedures

Inspection

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.

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: Specifications

Specifications AVN head unit ItemSpecificationPower sourceDC 14.4V (-) groundFrequency range / Channel spaceFM : 87.5 ~ 107.9 MHz / 200 KHzAM : 530 ~ 1710 KHz / 10 KHzTuning typePLL SYNTHESIZED TUNINGImpedance2 ohm x 4Antenna80 pF 75 OhmDark currentMAX 3mA (Head unit only)S/NFM : MIN 50 dBAM : MIN 40 ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Smart key unit Components and Components Location

Component (1) Connector Pin Information No.Connector A (26pin)Connector B (16pin)Connector C (22pin)1V_BAT loadC_CAN lowSSB illumination ground2-C_CAN highImmobilzer indicator3Power ground1--4IGN1Stop lamp fuseInterior antenna #2 power5IGN1 relayBrake switchInterior antenna #1 power6ACCImmobilizer antenna ...