System Components

Information 

The ISG system consists of a mutual network among the related components. Refer to relevant system service information for detail. (Refer to table below)

Component	System
ECM	Engine Control/Fuel System - Engine Control Module (ECM)
Seat belt switch	Restraint - Seat Belt Buckle Switch (BS)
Door switch	Body Electrical System - Keyless Entry And Burglar Alarm
Hood switch	Body Electrical System - Keyless Entry And Burglar Alarm
Brake switch	Brake System - Brake Switch
Brake booster vacuum pressure sensor	Brake System - Brake Booster
Ambient temperature sensor	Heating, Ventilation And Air Conditioning - Ambient Temperature Sensor
Battery sensor	Engine Electrical System - Battery Sensor
AGM battery	Engine Electrical System - Battery
DC DC converter	Engine Electrical System - DC DC converter
Starter	Engine Electrical System - Starter
Position switch	Automatic Transaxle System - Position Switch

• ECM:  Using all vehicle control system information, the ECM controls the Engine ON and OFF.

Courtesy of KIA MOTORS AMERICA, INC.

• Seat belt switch  : It detects the seat belt engagement and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Door switch  : It detects the driver side door open/close status and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Hood switch  : It detects the hood open/close status and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Brake switch  : It detects the brake pedal operation and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Accelerator position sensor: It detects the accelerator pedal operation and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Position switch: It detects the gear shift position (P/R/N/D, manual mode) and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Brake booster vacuum pressure sensor: It detects the brake pressure and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Ambient temperature sensor  : It detects the ambient temperature and this information is used as the ISG system operating condition.

Courtesy of KIA MOTORS AMERICA, INC.

• Battery sensor  : If the battery sensor is deactivated, the ISG system does not work.

Courtesy of KIA MOTORS AMERICA, INC.

• AGM battery: 

Due to more frequent engine start ON and OFF process than regular vehicles, the vehicles with ISG require the higher battery performance and the better battery state of charge management. Despite the high loads by frequent charging and discharging, AGM battery presents excellent durability.

Courtesy of KIA MOTORS AMERICA, INC.

• DC/DC converter: 

The DC converter supplies the boosted voltage (12 ± 0.5V) to prevent electronic device (AVN or Audio, Cluster, etc.) reset from voltage drop at engine automatic start.

Courtesy of KIA MOTORS AMERICA, INC.

• Starter  : Vehicles with ISG have constant ON/OFF engine conditions, therefore an improved starter motor with better durability is applied.

Courtesy of KIA MOTORS AMERICA, INC.

• ISG OFF switch  : The ISG system is always ON whenever the engine starts, the ISG system can be shut OFF by pressing the switch.

Courtesy of KIA MOTORS AMERICA, INC.