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WorksheetsABS, ESC & Misc Questions
Total questions: 15
Worksheet time: 30mins
Electronic Stability Control (ESC) requires how many speed sensors?
1
2
3
4
What will happen to the ESC light when the system is activated?
It will turn on
It will change color
It will flash
It will go out
Which of the following is true about ABS systems?
ABS systems are only for unskilled drivers
ABS systems will function normally if the amber “ABS” light is on while driving
ABS accumulators do not store high pressures
ABS accumulators often need to be discharged before opening the hydraulic system for bleeding or service
Which of the following contain ABS/ESC inputs?
Wheel speed sensor, ABS pump, Yaw Sensor
Yaw Sensor, Steering Angle Sensor, Wheel Speed Sensor
Accumulator, Yaw Sensor, Steering Angle Sensor
Caliper, Yaw Sensor, Wheel Speed Sensor
ABS & ESC codes are retrieved by:
DVOM's (Digital Volt Ohm Meter)
Oscilloscope
Scan Tool
Iphone
Which of these needs to be calibrated during an alignment?
Steering Angle Sensor
ABS control module
Yaw Sensor
Brake lamp switch
Which of the following is true when it comes to ABS system safety?
A) ABS systems can reach high pressure (over 2,000 psi)
B) Accumulators pressure need to be discharged before opening the hydraulic systems.
C) Accumulators can often be discarded by depressing the brake pedal 25-50 times.
All 3 answers are correct
2 techs are discussing the ABS system. Tech A says that the only function of ABS components is to prevent wheel lock up in an emergency stop. Tech B says the ABS system is used to operate vehicle stability systems. Who is correct?
Tech A
Tech B
Both Techs
Neither Tech
2 techs are discussing backing plates. Tech A says that the backing plates holds the shoes, wheel cylinders and hardware inside the drum. Tech B says ridges on the brakes shoe mounting pads should be filed down and greased when performing a brake job. Who is correct?
Tech A
Tech B
Both Techs
Neither Tech
Brakes lines should be made of:
Copper
Single Wall Steel
Double wall steel
High pressure plastic
A brake spoon is used to:
Adjust brake calipers
Adjust master cylinders
Remove brake pads
Adjust drum brakes
What returns the calipers piston once the brakes are released?
Pressurized brake fluid
Square cut seal
Return springs
Electric motor
Rear brake calipers with integral parking brakes can be operated by all the following except:
A) Electronic actuators
B) Cables and levers
C) Cables and pedals
A, B, and C are all correct
True or false. Non-integral ABS systems have a vacuum booster
True
False
True or False. Rotors should be machined or replaced when new brake pads are installed?
True
False
