Check the resistance of the hands-free remote switch between terminals No. 4 and No. 5 in each switch position. [Call + Hang up][Voice] [Call + Hang up]
Switch
Connector Terminal
Resistance (±5%)
Output Voltage (±0.16 V)
Call
4-5 (Left)
40.91 kΩ
2.96 V
Hang Up
4-5 (Left)
18.91 kΩ
2.64 V
[Voice]
Switch
Connector Terminal
Resistance (±5%)
Output Voltage (±0.22 V)
Voice
4-5 (Right)
10.71 kΩ
2.29 V
Removal
Remove the driver airbag module. (Refer to RT group - "Airbag Module")
Remove the steering wheel. (Refer to ST group - "Steering Column and Shaft")
Remove the steering wheel rear cover (A) after loosening the screws.
Remove the hands-free remote switch (A) after loosening the screws.
Installation
Install the hands-free remote switch to the steering wheel face plate.
Install the steering wheel and face plate.
Connect the hands-free remote switch connector and the airbag connectors.
Make sure the switch connector is connected correctly.
Install the driver airbag module.
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Test yourself
A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.