Hyundai Sonata: Horn / Repair procedures

Removal
1.
Remove the front bumper cover.
(Refer to Body - "Front Bumper Cover")
2.
Remove the high pitch horn (A) and low pitch horn (B) after disconnect the horn connector (C) and loosening the mounting the bolt.

Installation
1.
Install the horns after connect the horn connectors.
2.
Install the front bumper cover.
Inspection
1.
The relay on the horn of this vehicle is implanted into the metal core block PCB of the engine room relay block.
   
The relay inserted in semi-conductor chip type on the PCB is not available for changing. The metal core boxy shall be tested by exchanging when the relay shall be changed.
Components and Components Location
Component Location 1. Horn switch2. Horn relay (Built - in Metal Core Block PCB)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring ...

Audio
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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Instrument Cluster Description and Operation
Description Communication Network Diagram AbbreviationExpalnationACUAirbag Control UnitADMAssist Door ModuleB_CANBody Controller Area NetworkBCMBody Control ModuleBSDBlind Spot DetectionC_CANChassis Controller Area NetworkCLUCluster ModuleDATCDual Automatic Temp ControlDDMDriver Door ModuleESC ...

Hyundai Sonata LF 2014-2019 Service Manual: Instrument Cluster Components and Components Location
Components Connector Pin Information NoDescriptionNoDescription1-21Speaker (+)2Illumination (-)22Speaker (+)3Rheostat switch (Down)_Input23Immobilizer_Input4Rheostat switch (Up)_Input24AT ('P' Position)5-25AT ('R' Position)6Oil press switch_Input26AT ('N' Position)7Washer level (Low signal)_Inpu ...

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