Hyundai Sonata: Repair procedures
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.
|
Removal
| 1. |
Remove the front bumper.
(Refer to the BD group - "Front bumper")
|
| 2. |
Remove the mounting nut and disconnect the horn connector (B),
then remove the horn (A).
|
Installation
| 1. |
Connect the horn connector, then reassemble the horn.
|
| 2. |
Reassemble the front bumper.
|
Adjustment
Operate the horn, and adjust the tone to a suitable level by turning the
adjusting screw.
After adjustment, apply a small amount of paint around the screw
head to keep it from loosening.
|

Components and Components Location
Component Location
1. Horn switch
2. Horn relay (Engine room compartment)
3. Horn
4. Clock spring
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AVN System
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See also:
Automatic heating and air conditioning
1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning
will be controlled automatically according to the temperature setting.
Type A
Type B
2. Turn the tempe ...
Schematic Diagrams
Schematic Diagram
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Engine Control Module (ECM). Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer
must be performed procedure as below.
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