Tài liệu Hệ thống phanh ABS P2 pptx
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Diagnosis Technician >> Brake >> ABS, EBD and BA
Operation
Brake Actuator
(2/3)
Brake master cylinder
ABS & VSC & TRC &
BA brake actuator
Pressure sensor
Brake assist
switching valve
OFF
OFF
Holding valve
Pump
(OFF)
Port a
Check
valve 1
OFF
Skid
Control
ECU
Check
valve 2
Port b
OFF
Check
valve 3
Reduction valve
OFF
Reduction valve
Reservoir
Front
Speed sensor
Rear
Speed sensor
Holding valve
Diagnosis Technician >> Brake >> ABS, EBD and BA
Operation
Brake Actuator
(2/3)
Brake master cylinder
ABS & VSC & TRC &
BA brake actuator
Pressure sensor
Brake assist
switching valve
OFF
ON
Holding valve
Pump
(ON)
Port a
Check
valve 1
ON
Skid
Control
ECU
Check
valve 2
Port b
OFF
Check
valve 3
Reduction valve
ON
Reduction valve
Reservoir
Front
Speed sensor
Rear
Speed sensor
Holding valve
Port e
Diagnosis Technician >> Brake >> ABS, EBD and BA
Operation
Brake Actuator
(2/3)
Brake master cylinder
ABS & VSC & TRC &
BA brake actuator
Pressure sensor
Brake assist
switching valve
OFF
ON
Holding valve
Pump
(ON)
Port a
Check
valve 1
ON
Skid
Control
ECU
Check
valve 2
Port b
OFF
Check
valve 3
Reduction valve
OFF
Reduction valve
Reservoir
Front
Speed sensor
Rear
Speed sensor
Holding valve
Port e
Diagnosis Technician >> Brake >> ABS, EBD and BA
Operation
Brake Actuator
(2/3)
Brake master cylinder
ABS & VSC & TRC &
BA brake actuator
Pressure sensor
Brake assist
switching valve
OFF
OFF
Holding valve
Port a
Check
valve 1
OFF
Skid
Control
ECU
Check
valve 2
Port b
OFF
Check
valve 3
Reduction valve
OFF
Reduction valve
Reservoir
Front
Speed sensor
Rear
Speed sensor
Holding valve
Pump
(ON)
Diagnosis Technician >> Brake >> ABS, EBD and BA
Operation
Brake Actuator
(3/3)
3. Inspection
method
SST Hand-held tester
SST Battery
Hand-held tester
Harness on the SST side
Harness on the vehicle side
Diagnosis Technician >> Brake >> ABS, EBD and BA
Types of Brake Actuator
Hydraulic Circuit
(1/1)
Flow control valve
ABS actuator
Master cylinder
Check
valve
Pump
Check
valve
Reservoir
Speed
sensors
ABS
ECU
2-position
solenoid valve
Front left Rear right Rear left Front right
