SsangYong Stavic / SsangYong Rodius (2005 year). Service manual - part 411

ABS/ESP SYSTEM

STAVIC - 2004.09

27

4K

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

2. COMPONENTS AND LOCATIONS

1. HECU: (Hydraulic & Engine

conrol unit)

2. Pressure sensor

3. Wheel speed sensor

4. Sensor cluster:

(Yaw rate + lateral sensor +
longitudinal sensor)

5. Steering wheel angle

sensor

6. ESP off switch (Electronic

Stability Program Switch)

ESP Warning lamp

2WD vehicle has the longitudinal sensor in the HECU.

ABS/ESP SYSTEM

STAVIC - 2004.09

28

4K

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

Comparison with ABS System

ABS

Name

ESP

Location

Specifications

CPU: MCU60 (32 bit)

Clock Frequency: 28 MHz

Memory: 128 ~ 256 KB

Active Type

N/A

N/A

Integrated in HECU

N/A

CPU: MCU60 (32 bit)

Clock Frequency: 28 MHz

Memory: 256 ~ 512 KB

Active Type

Maximum angular velocity: 1500°/Sec

Working voltage: 9 ~ 16 V

2WD: Yaw rate sensor + Lateral sensor

4WD: Yaw rate + Lateral sensor +

Longitudinal sensor

Analog Output

HECU

(Hydraulic &  Elec-

tronic Control Unit)

Wheel speed sensor

Steering wheel

angle sensor

Sensor cluster

Longitudinal sensor

Pressure sensor

Under battery

Each 4 wheels

Front airgap: 0.335 ~ 0.945 mm

Rear airgap: 0.309 ~ 0.958 mm

Under steering wheel

Under front right seat

Under master cylinder

ABS/ESP SYSTEM

STAVIC - 2004.09

29

4K

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

3. INPUT AND OUTPUT DIAGRAM

Battery + (voltage to pump)

IG1

ESP warning lamp

Diagnostic connector

Batt. + (voltage to hydraulic v/v)

E

S

P

H

E

C

U

Brake switch

Ground (Pump)

Ground (Valve)

Cluster (Vehicle speed)

A/V Head unit

ESP switch

Sensor cluster

CAN LO

CAN HI

Wheel speed sensor (FL)

Signal

Ground

Wheel speed sensor (FR)

Signal

Ground

Wheel speed sensor (RL)

Signal

Ground

Wheel speed sensor (RR)

Signal

Ground

Power

source

Ground

Signal

Pressure sensor 2

Power

source

Ground

Signal

IG1

ST2

ST1

Ground

STN

SWAS

Power

source

CAN-H

Ground

CAN-L

A/V system is inoperative while driving

ESP buzzer

While ESP is in operation buzzer work by

every 0.1sec

ESP lamp on while

- ESP is in operation (Flicker)

- ESP, ABS system error

- ESP off switch is pushed

STICS (Vehicle speed)

ABS warning lamp

ABS system error

Pressure sensor 1

ABS/ESP SYSTEM

STAVIC - 2004.09

30

4K

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

4. ELECTRICAL CIRCUIT DIAGRAM

ABS/ESP

Wheel Speed Sensor, Stop Lamp, Diagnosis, Warnung Lamp (ABS/ESP)