2012 SSANGYONG NEW ACTYON SPORTS wheel

09-54850-01
3) Parts Arrangement
Part nameVehicle with CBSVehicle with ABS/EBDVehicle with ESP
HECU
Not appliedAppliedApplied Front wheel speed sensor
Rear wheel speed sensor
ABS warning lamp
EBD indicator
Longitudinal G sensor 2WD: N/A, 4WD: Applied Not applied
Sensor cluster
(Yaw rate sensor,
lateral/longitudinal G sensor)
Not applied Applied
ESP indicator
ESP OFF switch and warning
lamp
Steering wheel angle sensor
4) Components
ABS ESP+ARP
2WD 4WD 2WD 4WD
Whhel speed sensor 4 4 4 4
Sensor cluster N/A N/A Applied Applied
G-sensor N/A Applied N/A N/A
2H G-sensor - Operating - -
4H G-sensor - Operating - -
4L G-sensor - Operating - -
2H sensor cluster - - Operating Operating
4H sensor cluster - - Operating Operating
4L sensor cluster - - Operating Operating

09-94850-01
Problem Cause Action
Burning smell
around tireToo frequent braking in high driving speed Reduce the use of
foot brake/use
engine brake
properly Used only foot brake during downhill driving
Driving with foot on brake pedal Get off the foot
from pedal
Foreign materials such as dirt or sand in brake system Replace: caliper,
wheel cylinder,
master cylinder,
return spring
Broken return spring in shoe assembly Replace
Incorrectly adjusted parking brake cable Adjust
Incorrect wheel or wheel cover
(generating the heat)Replace

09-214850-01
Check the brake force with below
procedures:
Count the number of the clicks (notches)
when pulling up the parking brake with 19
kg of force.
If the clicks are over or below the
specified value, adjust the clicks to the
specified value with the parking brake
adjusting nut.
Check the parking brake force after
adjustment. 1.
2.
3.
Specified notches5
If the parking brake force is not enough,
check the parking brake lever and cable.
Replace the components if needed. 4.
Never park the vehicle only with the parking
brake on the stiff hill. It may cause roll
down of the vehicle due to release of the
parking brake. Place the wheel chocks
under the wheels. Parking Brake ▶

09-26
1. OVERVIEW
Even though a driver cuts off the power, while driving, the vehicle continues to move due to the
law of inertia. Therefore, a braking device is needed to stop the vehicle. The brake system
normally uses the frictional discs that converts the kinetic energy to the thermal energy by
frictional operation. The brake system consists of the brake disc (front wheel), brake disc or drum
(rear wheel), parking brake (mechanical type), master cylinder, booster, pedal and supply lines
(pipes and hoses).
Hydraulic Brake ▶
Brake Pedal ▶This system uses the leverage effect and
Pascal's principle. When depressing the
brake pedal, the pedal pressure is increased
by booster and is delivered to master cylinder
to generate hydraulic pressure. The hydraulic
pressure generated by the master cylinder is
delivered to the brake caliper through the
brake pipes or hoses. This hydraulic pressure
pushes the brake calipers, accordingly the
caliper pads are contacted to brake disc to
generate the braking force.
Brake pedal uses the leverage effect to apply
bigger force to the brake master cylinder.

09-28
Front Brake AssemblyFront Wheel Speed Sensor (4WD)
HECU
2. SYSTEM LAYOUT
Master Cylinder and Booster
Brake Pedal

09-294850-01
Rear Wheel Speed Sensor (4WD)
Rear Brake Assembly
ABS/EBD Indicators
Parking Brake Lever
Parking Brake

10-34892-01
1. SPECIFICATION
Unit DescriptionSpecification
Remark
ABS ESP
HECU Clock frequency 32MHz 50MHz
Memory 128KB 256KB
S-sensor Operating voltage 4.75~5.25V
None (functions
in sensor cluster)Installed in IP
panel behind
audio (only for
4WD) Operating temperature-30 ~ 85℃
Operating range -1.5 ~ 1.5g
Output voltage 0.5 ~ 4.5V
Wheel
speed
sensorSupplying voltage 4.5 ~ 16V←
Output current (approx. 2.7
km/h of vehicle speed)7mA(Lo) ~ 14mA
+20%←
Operating temperature-40 ~ 150℃ ←
Operating frequency 1~2500Hz←

10-4
2. OPERATING FREQUENCY
1) Hydraulic and Electronic Control Unit (HECU)
Hydraulic and Electronic Control Unit (HECU) 1.
FL wheelRR wheelRL wheel
FR wheel
Master cylinder