Kia Optima Hybrid: Hands Free System / Hands Free Switch Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Body Electrical System / Hands Free System / Hands Free Switch Repair procedures

Inspection

Check the hands free remote control switch for resistance between terminals in each switch position.

[Audio/ Bluetooth]

[Voice recognition]

[Bluetooth]

Switch	Connector terminal	Resistance (±5%)
Send	2-7	18.91k?
End of call	2-7	40.91k?

[Voice recognition]

Switch	Connector terminal	Resistance (±5%)
Voice	Audio/ Bluetooth connector 2 & Voice recognition connector 3	10.71k?

Removal

[Upper Steering Wheel Remote Control Switch]

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.	Loosen the mounting screws from the rear steering wheel cover.

5.	Separate the upper left steering wheel remote control switch (A) after loosening the mounting screw.

6.	Remove the upper left steering wheel remote control switch (A) after disconnecting the connector.

[Lower Steering Wheel Remote Control Switch]

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.	Loosen the mounting screws from the front steering wheel cover.

5.	Remover the upper left steering wheel cover (A) after loosening the mounting screws.

6.	Remove the upper steering wheel remote control switch (A) after disconnecting the connector. [LH] [RH]

7.	Remove the steering wheel cover (A) after loosening the mounting screws from the front steering wheel cover

8.	Remove the front steering wheel cover (B) after disconnecting the connector (A).

9.	Remove the lower steering wheel remote control switch (B) after disconnecting the connector (A).

Hands Free Switch Schematic Diagrams

Circuit Diagram ...

Hands Free Mic Repair procedures

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