Kia Sedona (2008 year). Manual - part 382

Fig. 8: Input And Output Diagram 
Courtesy of KIA MOTORS AMERICA, INC. 

ESC OPERATION MODE 

1. STEP 1 

The ESC analyzes the intention of the driver.

 

2008 Kia Sedona 

2008 BRAKES ESP (Electronic Stability Program) - Sedona

  

Microsoft 

 

Saturday, May 22, 2010 6:53:50 PM

Page 6 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 9: ESC Analyzing Driver Intention 
Courtesy of KIA MOTORS AMERICA, INC. 

2. STEP 2 

It analyzes the movement of the ESC vehicle. 

Fig. 10: Analyzing Vehicle Movement 
Courtesy of KIA MOTORS AMERICA, INC. 

3. STEP 3 

The HECU calculates the required strategy, then actuates the appropriate valves and sends torque control 
requests via CAN to maintain vehicle stability. 

ESC OPERATION MODE 

1. ESC Non-operation-Normal braking. 

ESC NON-OPERATION-NORMAL BRAKING MODE REFERENCE 

 

Inlet valve 
(EV)

Outlet valve 
(AV)

Pilot valve 
(USV)

High pressure switch valve 
(HSV)

Pump 
motor

Normal 
braking

Open

Close

Open

Close

OFF

 

2008 Kia Sedona 

2008 BRAKES ESP (Electronic Stability Program) - Sedona

  

Microsoft 

 

Saturday, May 22, 2010 6:53:50 PM

Page 7 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 11: ESC Operation Diagram - Non-Operation-Normal Braking 
Courtesy of KIA MOTORS AMERICA, INC. 

2. ESC INCREASE MODE 

ESC INCREASE MODE REFERENCE 

 

Inlet valve 
(EV)

Outlet valve 
(AV)

Pilot valve 
(USV)

High pressure switch 
valve (HSV)

Pump motor

Normal 
braking

Open

Close

Close (Partial) Open

ON (Motor speed 
control)

 

2008 Kia Sedona 

2008 BRAKES ESP (Electronic Stability Program) - Sedona

  

Microsoft 

 

Saturday, May 22, 2010 6:53:50 PM

Page 8 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 12: ESC Operation Diagram - Increase Mode 
Courtesy of KIA MOTORS AMERICA, INC. 

3. ESC HOLD MODE (FR is only controlled.) 

ESC HOLD MODE (FR ONLY CONTROLLED) REFERENCE 

 

Inlet valve 
(EV)

Outlet valve 
(AV)

Pilot valve 
(USV)

High pressure switch 
valve (HSV)

Pump motor

Normal 
braking

Close

Close

Close (Partial) Open

ON (Motor speed low 
control)

 

2008 Kia Sedona 

2008 BRAKES ESP (Electronic Stability Program) - Sedona

  

Microsoft 

 

Saturday, May 22, 2010 6:53:50 PM

Page 9 

© 2006 Mitchell Repair Information Company, LLC.