WorksheetsESC and TC
Total questions: 15
Worksheet time: 8mins
Which sensor is used by the ESC controller to determine the driver's intended direction?
Vehicle speed (VS) sensor
Lateral acceleration sensor
Yaw sensor
Steering wheel (handwheel) position sensor
The electronic stability control (ESC) system requires that the vehicle be equipped with what type of brake system?
Three-channel ABS
Four-wheel disc brakes
Four-channel ABS
Front disc with rear drum brakes
What is the name of the standard test that is performed to verify ESC operation?
Vehicle stability enhancement test
Sine with dwell
ESC plus
Anti-skid test
What other name is used to describe an electronic stability control (ESC) system?
Electronic Stability Program (ESP)
Vehicle Dynamic Control (VDC)
Vehicle Stability Assist (VSA)
Any of the above
Traction control uses the antilock braking system and other devices to limit ________ of the drive wheel during acceleration.
negative slip
positive slip
side slip
None of these
When diagnosing ESC or TC system concerns, ________ is usually required.
a factory scan tool
specific service information (SI)
performing a visual inspection
All of the above
The hand wheel position sensor is located ________.
in the air bag clock spring
under the driver's side carpet
in the steering column
on the steering rack assembly
Technician A says that some vehicles with the Stabilitrak system continuously monitor wheel speed conditions and modulate hydraulic force to individual wheels to maintain stability. Technician B says that vehicles using traction control systems can reduce engine torque in slippery driving conditions. Which technician is correct?
Tech A
Tech B
Both Tech A and Tech B
Neither Tech A nor Tech B
In this drawing, the vehicle's intended track is "A." If driven a little too fast, the actual track is "B." This condition is known as ________.
left hand drift
oversteer
understeer
delayed steer
A flashing ESC lamp indicates a problem with the ESC system.
True
False
The steering wheel position sensor provides signals related to steering wheel position and size.
True
False
A lateral acceleration sensor is usually located where in the vehicle?
On the package shelf
Under the front seat
In the center console
Any of the above locations
Traction control is being discussed. Technician A says that the computer locks both drive wheels together when one drive wheel starts to slip. Technician B says that first the brakes are applied then the engine power is reduced. Which technician is correct?
Tech A
Tech B
Both Tech A and Tech B
Neither Tech A nor Tech B
The driver of a vehicle with ESC has turned OFF the stability control system. What will happen the next time the vehicle is driven?
The ESC system will remain OFF until turned back on by the driver
It will depend on which driver of the vehicle enters the vehicle.
The ESC system will return to its default ON status
None of these
Which is over steer?
1
2
neither
