Hyundai Tucson: Audio / Audio Remote Control Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Body Electrical System / Audio / Audio Remote Control Repair procedures

Inspection
1.
Check for resistance between No.6 and No.7 terminals in each switch position.

[Audio System]
Switch
Connector
terminal
Resistance
(±5%)
Volume down
6 - 7
6.81 kx
Volume up
6 - 7
4.61 kx
Mute
6 - 7
3.11 kx
Mode
6 - 7
2.11 kx
Seek down
6 - 7
1.11 kx
Seek up
6 - 7
430 x

2.
Check for voltage between No.6 and No.7 terminal in each switch position.
[Audio System]
Switch
Connector
terminal
Output voltage
Volume down
6 - 7
1.95 ± 0.16 V
Volume up
6 - 7
1.63 ± 0.16 V
Mute
6 - 7
1.31 ± 0.16 V
Mode
6 - 7
1.02 ± 0.16 V
Seek down
6 - 7
0.63 ± 0.16 V
Seek up
6 - 7
0.28 ± 0.16 V

Removal
1.
Remove the driver airbag module.
(Refer to the RT group - "Airbag module")
2.
Remove the steering wheel screws from the back cover.

3.
Disconnect the audio remote control switch connector (A).

4.
Remove the audio remote control switch (A).
   
Be careful not to damage the hook when removing the switch.

Installation
1.
Install the audio remote control switch on the steering wheel.
2.
Install the steering wheel.
3.
Reconnect the audio remote control switch connector and airbag connectors.
   
Make sure that the switch connector is plugged in properly.
4.
Install the driver airbag module.
   
Turn the ignition switch ON; the SRS indicator light should be turned on for about six seconds and then go off.
Make sure horn button works.
Audio Remote Control Schematic Diagrams
Circuit Diagram ...

AUX(Auxiliary) Jack Schematic Diagrams
Circuit Diagram ...

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