Exam 53: Antilock Brake, Traction Control, and Stability Control Systems

The pump on a nonintegrated-type ABS system is continuously on during an ABS stop and remains on for about five seconds after the stop is complete.

In a one-channel ABS system, only the ____________________ brakes on both sides of the vehicle are modulated at the same time to control skidding.

Explain the role of the wheel sensors in an antilock brake system.

In addition to wheel speed sensors, ESC systems also require a _____.

Which of the following is not a location for the toothed ring (toner ring)?

Which of the following ABS components is NOT part of the hydraulic control unit?

List three ways the PCM reduces torque to the drive wheels when the ATC system is in traction control mode.

Which of the following is NOT a component of an antilock brake system?

Nonintegral ABS systems use a conventional vacuum-assist booster and master cylinder.

Technician A says ABS wheel speed sensors are Hall-effect-type sensors. Technician B says ABS sensors are PM generators. Who is correct?

DOT ____________________ brake fluid is recommended for most antilock brake systems.

All ABS vehicles have a(n)____________________-colored warning lamp to indicate a problem in the vehicle's antilock brake system.

Technician A says the solenoid valves inside the modulator unit are used to decrease brake pressure. Technician B says the solenoids are used to increase pressure. Who is correct?

Technician A says ABS systems provide superior directional stability when the brakes are applied while turning a corner. Technician B says ABS systems provide superior braking when driving on loose snow. Who is correct?

The ABS ____________________ module monitors system operation and commands antilock functions when needed.

Nonintegrated ABS systems do not use an electric pump or accumulator.

When the vehicle is road tested after replacement of an axle shaft, the ABS warning light turns on. Technician A says count the number of teeth on the toner ring of the old axle and compare it to the new axle. Technician B says perform an ABS speed sensor relearn procedure. Who is correct?

Identify the resource for determining ABS brake bleeding procedures and why it should always be used.

Technician A says a malfunction of the ABS causes the control module to shut off or inhibit the system. Technician B says a loss of hydraulic fluid or power booster pressure disables the antilock brake system. Who is correct?

The modulator unit is sometimes called a(n)______.