Hyundai Sonata: Schematic Diagrams
System Block Diagram

Component Parts And Function Outline
|
Component part |
Function |
|
|
Vehicle speed sensor |
Converts vehicle speed to pulse. |
|
|
ECM |
Receives signals from sensor and control switches. |
|
|
Cruise control indicator |
Illuminate when CRUISE main switch is ON (Built into cluster) |
|
|
Cruise control switches |
ON/OFF switch |
Switch for automatic speed control power supply. |
|
Resume/Accel switch |
Controls automatic speed control functions by Resume/Accel switch
(Set/Coast switch) |
|
|
Set/Coast switch |
||
|
Cancel switches |
Cancel switch |
Sends cancel signals to ECM. |
|
Brake pedal switch |
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|
Transaxle range switch (A/T) |
||
|
ETS motor |
Regulates the throttle valve to the set opening by ECM. |
|
* ETS : Electronic Throttle System
Description and Operation
Cruise Control
The cruise control system is engaged by the cruise "ON/OFF" main switch
located on right of steering wheel column. The system has the capability to
cruise, coast, ac ...
See also:
Power Seat Control Switch. Repair procedures
Inspection
With the power seat switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified, replace
the power seat switch.
A ...
Immobilizer system
Your vehicle is equipped with an electronic engine immobilizer system to reduce
the risk of unauthorized vehicle use.
Your immobilizer system is comprised of a small transponder in the ignition key ...
Fuse/relay panel description
Inside the fuse/relay panel covers, you can find the fuse/relay label describing
fuse/relay name and capacity.
Inner panel fuse panel
Engine compartment fuse panel
✽ NOTICE
Not al ...

