Kia Optima Hybrid Owner's Manual Quiz
Engine Electrical System

Schematic Diagrams

In this manual: Engine Electrical System
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
~1min read

System Block Diagram

Components and Function Schematic
Component Function
ECU Controls the engine.
MCU Controls the drive motor.
ABS Sends the vehicle speed to the HCU.
HCU Receives signals from sensors and switches.
Cluster (cruise control indicator) Illuminates when the CRUISE main switch is turned on (built into cluster)
Cruise Control Switches ON/OFF Switch Cruise control power switch.
Resume/Accel Switch Controls the cruise control functions using the Resume/Accel switch (Set/Coast switch).
Set/Coast Switch
Cancel switches Cancel switch Sends cancel signals to the HCU.
Brake Pedal Switch
Transmission Range Switch (TCU)

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.