Kia Sedona (2008 year). Instruction — 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.