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)
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