Kia Optima: Audio/AVN System / Steering Wheel Remote Controller (SWRC)

Kia Optima DL3 2019-2021 Service and Repair Manual / Body Electrical System / Audio/AVN System / Steering Wheel Remote Controller (SWRC)

Components and components location
Components

1. Left remote control switch (Audio + Bluetooth + Voice)
2. Right remote control switch (Trip + SCC + LFA)

Schematic diagrams
Circuit Diagram
[Audio + Bluetooth + Voice]

[Trip + SCC + LFA]

Repair procedures
Removal
1.

Disconnect the negative battery terminal.

2.

Remove the steering wheel assembly.

(Refer to Steering System - "Steering Wheel")

3.

Loosen the mounting screws (A).

4.

Remove the steering wheel remote controller assembly (A) by loosening the mounting screws.

5.

Disconnect the steering wheel remote controllers connectors (A).

6.

Remove the steering wheel remote controllers (A) by pushing the hooks in the direction of arrow.

[LH]

[RH]

Installation
1.

Install in the reverse order of removal.

Inspection
1.

Check for resistance between terminals in each switch position.

[Audio + Bluetooth + Voice]

Switch
Connector terminal
Resistance (±3%)
SEEK Up
1-6
430 Ω
SEEK Down
1.11 kΩ
MODE
2.11 kΩ
MUTE
3.11 kΩ
Volume (+)
4.61 kΩ
Volume (-)
6.81 kΩ
Voice
10.71 kΩ
END
18.91 kΩ
SEND
40.91 kΩ

[Trip + SCC + LFA]

Switch
Connector terminal
Resistance (±3%)
Pause
2-6
610 Ω
Speed (Down)
910 Ω
Speed (Up)
1.38 kΩ
Cruise ON/OFF
2.13 kΩ
SCC
7.93 kΩ
Trip group
1-6
610 Ω
Trip (Up)
910 Ω
Trip (Down)
1.38 kΩ
Trip (OK)
2.13 kΩ
LFA
7.93 kΩ

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