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: Auto Head Lamp Leveling Unit Repair procedures


Inspection 1. Ignition "ON". 2. Turn on the head lamp switch. 3. Check for operation. If the aim of the head lamps changes smoothly when the head lamp leveling switch is turned. 4. If the operation does not work well, inspect the connector and terminals to be sure they are all making good contact. If ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Schematic Diagrams


System Block Diagram Component Parts And Function Outline Component partFunctionECUControls engine.MCUControls drive motor.ABSSends vehicle speed to HCU.HCUReceives signals from sensor and control switches.Cluster (Cruise control indicator)Illuminate when CRUISE main switch is ON (Built into cluster)Cruise ...

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