ASE A5 Brakes Practice Test

61. The 40-amp fuse for the ABS/EBCM control module has blown. The work order indicates another technician recently replaced the same fuse. Which of the following is MOST likely causing this fuse to burn?

  • A. A short to ground.
  • B. High resistance in the EBCM connector.
  • C. A faulty wheel speed sensor.
  • D. An open ground circuit.

61.

Answer A is correct. A short to ground will overload the circuit and cause the fuse to blow.

Answer B is wrong. If the circuit's fuse continues to blow, inspect the harness and wiring for damaged insulation.

Answer C is wrong. Technician A is correct.

Answer D is wrong. Technician A is correct.

NextRead more...

62. The motor generator of a hybrid passenger car propels the vehicle and charges the battery. Technician A says the vehicle has a regenerative braking system. Technician B says this vehicle's brake pads and rotors tend to wear and may require more frequent replacement. Who is correct?

  • A. Technician A
  • B. Technician B
  • C. Both A and B
  • D. Neither A or B

62.

Answer A is correct. Hybrid and electric vehicles use regenerative braking systems that create electricity while braking.

Answer B is wrong. Because regenerative braking does much of the stopping, there is less wear on the vehicle's conventional friction brake system.

Answer C is wrong.Technician A is correct.

Answer D is wrong. Technician A is correct.

NextRead more...

63. A vehicle with an automatic transmission will not shift out of PARK with the engine running and the brake pedal depressed. Technician A says a faulty stop light fuse will result in this condition. Technician B says a defective brake light switch will cause this condition. Who is correct?

  • A. Technician A
  • B. Technician B
  • C. Both A and B
  • D. Neither A or B

63.

Answer A is wrong. A blown brake light fuse or a faulty brake switch will result in no brake lights.

Answer B is wrong. A modern transmission requires the voltage signal from the brake switch to operate the shift interlock solenoid.

Answer C is correct. Both Technicians are correct. The brake lights, push-button ignition, shift interlock, cruise control, and ABS/TCS require the brake switch signal to function properly.

Answer D is wrong. Both Technicians are correct. Learn more about brake light switches by clicking the Read More button.

NextRead more...
Parking Brake Circuit

64. The parking brake warning light in the diagram is continuously illuminated. Which of these is MOST likely the cause?

  • A. A short to ground at point C of the diagram.
  • B. An open at point D of the diagram.
  • C. High Resistance at point A of the diagram.
  • D. A short to ground at point B of the diagram.

64.

Answer A is correct. A short to ground after the bulb in a ground controlled circuit will illuminate the bulb.

Answer B is wrong. An open in the ground will prevent the light from illuminating.

Answer C is wrong. High resistance in the circuit would likely make the light dim or possibly not functional at all.

Answer D is wrong. A short to ground before the bulb would likely leave the bulb not illuminated at all. A short to ground in a circuit will likely blow the fuse.

Next

65. The ABS system is activating at low speeds resulting in a rapidly pulsating brake pedal. Which of the following could be the cause?

  • A. Mismatched tires.
  • B. A faulty wheel speed sensor.
  • C. Both A and B.
  • D. Neither A or B.

65.

Answer A is wrong. Mismatched tires can place uneven loads on the drivetrain and cause the tires to rotate at different speeds, which leads to increased mechanical strain and premature wear on both the drivetrain components and the tires themselves.

Answer B is wrong. Most modern vehicles use active wheel speed sensors, which provide a precise digital signal and maintain accuracy even at very low speeds. Older vehicles commonly relied on passive wheel speed sensors, which generated an AC sine‑wave signal and were more prone to unwanted low‑speed ABS activation due to their reduced sensitivity at low wheel speeds.

Answer C is correct. Both mismatched tires and a faulty wheel speed sensor can cause low‑speed ABS activation, because each condition creates a wheel‑speed imbalance that the ABS control module interprets as impending wheel slip.

Answer D is wrong. Both A and B are correct.

NextRead more...