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
...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Checking the amount of air conditioner refrigerant and compressor lubricant
WARNING Because the refrigerant is at very high pressure, the air conditioning system should only be serviced by trained and certified technicians. It is important that the correct type and amount of oil and refrigerant is used, otherwise damage to the vehicle and personal injury may occur. ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Temperature Control Actuator Repair procedures
Inspection 1. Ignition "OFF" 2. Disconnect the connector of temperature control actuator. 3. Verify that the temperature control actuator operates to the hot position when connecting 12V to the terminal 3 and grounding terminal 4. Verify that the temperature control actuator operate ...

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