Hyundai Tucson: Horn / Repair procedures

Removal
1.
Remove the front bumper.
(Refer to the BD group - "Front bumper")
2.
Remove the bolts and disconnect the horn connectors, then remove the low pitch horn (A).

Installation
1.
Install the horns after connecting the horn connectors.
2.
Install the front bumper.
Inspection
Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal.
The horn should make a sound. If the horn fails to make a sound, replace it.
Horn Relay Inspection
1.
Remove the horn relay (A) from the engine room relay box.
2.
There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
3.
There should be no continuity between the No.30 and No.87 terminals when power is disconnected.

Adjustment
1.
Operate the horn, and adjust the tone to a suitable level by turning the adjusting screw.
   
Horn adjustment screw is automatically sealed with silicon sealant.
The shape and size of the applied sealant is variable and tails or dribbles are acceptable and not to be tampered with.

Components and Components Location
Component Location 1. Horn switch2. Horn relay (Engine room compartment)3. Horn (Low pitch)4. Clock spring ...

AVN System
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Other information:

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Hyundai Tucson (LM) 2010-2015 Service Manual: Automatic Transaxle Components and Components Location
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