wheel SSANGYONG MUSSO 2003 Owners Manual

ANTILOCK BRAKE SYSTEM 4F-13
DEFECT CODES
Description
- Replace the ECU
Check resistance of the wheel speed sensor :1.280K - 1.920K
Check wire for ground and open.
Replace the sensor.
Check resistance of the wheel speed sensor :1.280K - 1.920K
Check wire for ground and open.
Replace the sensor.
Check resistance of the wheel speed sensor :1.280K - 1.920K
Check wire for ground and open.
Replace the sensor.
Check resistance of the wheel speed sensor : 1.280K - 1.920K
Check wire for ground and open.
Replace the sensor.
Check wire for ground and open.
Check connection of the wheel speed sensor connec-
tor and ECU side connector.
Measure air gap between wheel teeth and wheel speed sensor and check installation of wheel tooth.(Standard air gap : 0.35 - 1.60 mm)
Check output voltage of the sensor by rotating the wheel 1/2 - 1 revolution per second and shaking sen- sor wire.
- When measured by multi - meter (AC) :
output voltage > 70 mV
- When measured in oscilloscope :
output voltage 120 mV/P-P
Replace the sensor.
Check wire for ground and open.
Check connection of the wheel speed sensor. con-
nector and ECU side connector.
Measure the air gap between wheel teeth and wheelspeed sensor and check installation of wheel tooth.(Standard air gap : 0.35 - 1.60 mm)
Check output voltage of the sensor by rotating thewheel 1/2 - 1 revolution per second and shaking sen- sor wire.
Defect Code
01 0203 0405 06 07 08 Application
Normal Defective ECUFront/left Wheel SpeedSensor (Wire) Front/right Wheel Speed Sensor (Wire) Rear/left Wheel Speed Sensor (Wire) Rear/right Wheel Speed Sensor (Wire) Front/left Wheel Speed Sensor (Signal) Front/right Wheel Speed Sensor (Signal)

4F-14 ANTILOCK BRAKE SYSTEM
Description
- When measured by multi - meter (AC) : output voltage > 70 mV
- When measured in oscilloscope :
output voltage 120 mV/P-P
Replace the sensor.
Check wire for ground and open.
Check connection of the wheel speed sensor con-
nector and ECU side connector.(Standard air gap : 0.15 - 1.20 mm)
Check output voltage of the sensor by rotating the wheel 1/2 - 1 revolution per second and shaking sen- sor wire.
- When measured by multi - meter (AC) :
output voltage > 70 mV
- When measured in oscilloscope :
output voltage 120 mV/P-P
Replace the sensor.
Check wire for ground and open.
Check connection of the wheel speed sensor con-
nector and ECU side connector.
Measure air gap between wheel teeth and wheelspeed sensor and check installation of wheel tooth.(Standard air gap : 0.15 - 1.20 mm)
Check output voltage of the sensor by rotating thewheel 1/2 - 1 revolution per second and shaking sen- sor wire.
- When measured by multi - meter (AC) :
output voltage > 70 mV
- When measured in oscilloscope : output voltage 120 mV/P-P
Replace the sensor.
Check number of teeth on the wheel rotor and itscondition.
- Number of teeth : 52
Check valve relay voltage.
Check connection of connector and terminals in the
ECU and hydraulic modulator.
Check ground.
Check terminals for open or short.(When connector is removed)
Replace the hydraulic modulator.
Defect Code
09 10
11
12 Application
Rear/left Wheel Speed Sensor (Signal) Rear/right Wheel Speed Sensor (Signal) Wheel Rotor
Valve Relay

ANTILOCK BRAKE SYSTEM 4F-19
MAINTENANCE AND REPAIRON-VEHICLE SERVICE
WHEEL SPEED SENSOR
1 Bolt
2 Front Wheel Speed Sensor
3 Knuckle 4 Bolt
5 Rear Wheel Speed Sensor
6 Rear Axle

ANTILOCK BRAKE SYSTEM 4F-21
HYDRAULIC CIRCUIT
ABS 5.3 Pressure Increased
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor 6 Accumulator Chamber
7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Front Wheel
10 Rear Wheel

4F-22 ANTILOCK BRAKE SYSTEM Pressure Decreased
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor6 Accumulator Chamber
7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Front Wheel
10 Rear Wheel

ANTILOCK BRAKE SYSTEM 4F-23
Pressure Maintained
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor6 Accumulator Chamber
7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Front Wheel
10 Rear Wheel

4F-24 ANTILOCK BRAKE SYSTEM ABS/ABD 5.3 Pressure Increased
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor
6 Accumulator Chamber7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Wheel
10 Prime Valve (ASV) 11 Pilot Valve (USV)
12 Check V alve
13 ISD (Integrated Suction Damper)

ANTILOCK BRAKE SYSTEM 4F-25
Pressure Decreased
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor
6 Accumulator Chamber7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Wheel
10 Prime Valve (ASV) 11 Pilot Valve (USV)
12 Check V alve
13 ISD (Integrated Suction Damper)

4F-26 ANTILOCK BRAKE SYSTEM Pressure Maintained (Hold)
1 Master Cylinder
2 Hydraulic Unit
3 Damping Chamber
4 Return Pump
5 Return Pump Motor
6 Accumulator Chamber7 Inlet Valve for Each Wheel
8 Outlet Valve for Each Wheel
9 Wheel
10 Prime Valve (ASV) 11 Pilot Valve (USV)
12 Check V alve
13 ISD (Integrated Suction Damper)

SECTION 4G
PARKING BRAKE
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 4G-1General Specifications . . . . . . . . . . . . . . . . . . 4G-1
Fastener Tightening Specifications . . . . . . . . . 4G-1
Component Locator . . . . . . . . . . . . . . . . . . . 4G-2 TABLE OF CONTENTS
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 4G-2
Maintenance and Repair . . . . . . . . . . . . . . . 4G-3
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 4G-3 Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 4G-3
Caution: Disconnect the negative battery cable before removing or installing any electrical unit or when a tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting thiscable will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCKunless otherwise noted.
SPECIFICATIONS
GENERAL SPECIFICATIONS
Application
Parking Brake Lever Bolt Cable Mounting Bracket Bolt
N 

 m
8 - 18 8 - 18
FASTENER TIGHTENING SPECIFICATIONS
Application
Type
Operating Type
Description
Mechanically Operated Rear Wheel Expansion Manual