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ABS ASSIGNMENT
Here are the main principals of the ABS system. ABS systems use a combination of electronic and hydraulic systems to modulate the brakes individually to prevent them from locking and causing a skid. ... If just the antilock warning light comes on an ABS component may have failed, but the car still has power-assisted brakes. ...
BASIC LAYOUT OF ABS ON VEHICLE
The main components used in ABS are listed below:
HYDRAULIC CONTROL UNIT
The Hydraulic control unit of the antilock brake system receives and processes electrical signals sent by the electronic control unit in order to constantly maintain the correct braking pressure in the wheel cylinders. ... If the controller detects a locking tendency in the wheels, the appropriate solenoid valves are operated in the ABS hydraulic unit to reduce the braking pressure
WHEEL SENSOR & SENSOR RING
The wheel sensor has two main components:the sensor ring and the pickup. ...
ABS SENSOR-The pick up is commonly called "the sensor". ...
ELECTRONIC CONTROL UNIT
The ecu pocesses all the ABS infomationand signal functions. It recieves and interperets voltage pulses generated by the sensor pick up as the sensor ring teeth pass by, and uses this information to determine:
Impending wheel lock up
When to activate the ABS modulator valves.
ABS MALFUNCTION INDICATOR LAMP
Vehicles with have ABS must have ABS malfunction lights. These lights must be yellow and light up when the ABS has a malfunction that affects the generation or transmission of response or control signals in the ABS.
WHAT HAPPENS IN DETAIL WHEN ABS IS ACTIVATED:
When a wheel sensor signals the ABS control module that a high rate of deceleration is taking place at its wheel, the controller initially signals the hydraulic unit to keep hydraulic pressure at the wheel constant.
Approximate Word count = 1314
Approximate Pages = 5.3
(250 words per page double spaced)
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