Hyundai Sonata LF Quiz
Engine Electrical System

Schematic Diagrams

In this manual: Engine Electrical System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
~1min read

System Block Diagram

Component Location and Function Diagram
Component Function
Vehicle speed sensor, ESP/ABS control module Converts vehicle speed into a pulse signal.
ECM Receives signals from sensors and switches.
Cruise Control Indicator Illuminates when the CRUISE main switch is turned on (built into cluster)
Cruise Control Switches CRUISE switch Cruise control power switch.
RES (+) switch Controls the cruise control functions using the Resume/Accel switch (Set/Coast switch).
SET (–) switch
Cancel switches Cancel switch Sends cancel signals to the ECM.
Brake Pedal Switch
Transmission range switch (A/T)
ETC Motor Controls the throttle valve opening as set by the ECM.

* ETC Motor: Electronic Throttle Control motor

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.