Kia Carnival (2009+). Manual — part 388

If the warning lamp(ESP, EBD, ABS) is illuminated, follow the "Variant coding" again.

INPUT AND OUTPUT DIAGRAM

ESP OPERATION MODE

1. STEP 1

The ESP analyzes the intention of the driver.

2. STEP 2

It analyzes the movement of the ESP vehicle.

3. STEP 3

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

ESP OPERATION MODE

1. ESP Non-operation-Normal braking.

Inlet valve(EV)

Outlet valve(AV)

Pilot valve(USV)

High pressure
switch valve(HSV)

Pump motor

Normal braking

Open

Close

Open

Close

OFF

EV : Inlet Valve
AV : Outlet Valve
LR : Rear left wheel
RF : Front right wheel
LF : Front left wheel
RR : Rear right wheel
PE : Pump motor

USV : Pilot Valve
HSV : High pressure Switch Valve

2. ESP INCREASE MODE

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)

EV : Inlet Valve
AV : Outlet Valve
LR : Rear left wheel
RF : Front right wheel
LF : Front left wheel
RR : Rear right wheel
PE : Pump motor
USV : Pilot Valve
HSV : High pressure Switch Valve

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

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)

EV : Inlet Valve
AV : Outlet Valve
LR : Rear left wheel
RF : Front right wheel
LF : Front left wheel
RR : Rear right wheel
PE : Pump motor
USV : Pilot Valve
HSV : High pressure Switch Valve

4. ESP DECREASE MODE (FR is only controlled)

Inlet valve(EV)

Outlet valve(AV)

Pilot valve(USV)

High pressure
switch valve(HSV)

Pump motor

Normal braking

Close

Open

Close(Partial)

Open

ON(Motor speed
low control)