ASE Brakes Exam #2: Advanced Certification Preparation
A - correct answer ✔✔The brakes are dragging on a vehicle. This could be caused by:
A. Overfilled master cylinder reservoir.
B. Low vacuum to the booster.
C. Bypassing master cylinder.
D. Quick take-up valve stuck open.
B - correct answer ✔✔The brake pads are worn at an angle on a vehicle with a sliding brake caliper
system. Which of the following is the most likely cause?
A. Worn caliper piston
B. Worn caliper bushings
C. Leaking caliper seal
D. Leaking caliper boot
C - correct answer ✔✔A diagnostic trouble code is set for an open wheel speed sensor on the left front
sensor. The technician measures the resistance at the sensor and finds it to be within specification.
Which of the following is the most likely cause for the wheel speed sensor code?
A. Faulty ABS computer
B. Open fuse
C. Open wiring from the computer to the wheel speed sensor
D. Shorted left front ABS modulator valve
D - correct answer ✔✔Technician A says a double flare line should be replaced with an ISO flare line.
Technician B says an ISO flare line should be replaced with a double flare line. Who is correct?
A - correct answer ✔✔A customer is concerned that under heavy acceleration on dry pavement the
traction control light comes on and the throttle momentarily becomes unresponsive. Which of the
following is the most likely cause?
A. A tire has lost traction.
, B. The accelerator pedal position (APP) sensor is faulty.
C. The throttle position (TPS) is faulty.
D. A wheel speed sensor is faulty.
D - correct answer ✔✔A vehicle has a low brake pedal. Master cylinder fluid level is correct. Which of
the following is the most likely cause?
A. Worn brake pad lining
B. Seized wheel cylinder
C. Seized caliper piston
D. Brake shoes out of adjustment.
B - correct answer ✔✔The brake caliper piston boot was cut when the caliper was reassembled.
Technician A says this will cause a brake fluid leak when the caliper is reinstalled. Technician B says this
could cause the piston to bind due to contamination. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B
B - correct answer ✔✔A parking brake cable is binding on a vehicle with front disc and rear drum brakes.
This can result in:
A. Dragging front brakes.
B. Dragging rear brakes.
C. Rusted brake drums.
D. Rusted disc brake rotors.
D - correct answer ✔✔Which of the following is LEAST LIKELY to be an input to the traction control
system?
A. Throttle position sensor.
B. Wheel speed sensor
A - correct answer ✔✔The brakes are dragging on a vehicle. This could be caused by:
A. Overfilled master cylinder reservoir.
B. Low vacuum to the booster.
C. Bypassing master cylinder.
D. Quick take-up valve stuck open.
B - correct answer ✔✔The brake pads are worn at an angle on a vehicle with a sliding brake caliper
system. Which of the following is the most likely cause?
A. Worn caliper piston
B. Worn caliper bushings
C. Leaking caliper seal
D. Leaking caliper boot
C - correct answer ✔✔A diagnostic trouble code is set for an open wheel speed sensor on the left front
sensor. The technician measures the resistance at the sensor and finds it to be within specification.
Which of the following is the most likely cause for the wheel speed sensor code?
A. Faulty ABS computer
B. Open fuse
C. Open wiring from the computer to the wheel speed sensor
D. Shorted left front ABS modulator valve
D - correct answer ✔✔Technician A says a double flare line should be replaced with an ISO flare line.
Technician B says an ISO flare line should be replaced with a double flare line. Who is correct?
A - correct answer ✔✔A customer is concerned that under heavy acceleration on dry pavement the
traction control light comes on and the throttle momentarily becomes unresponsive. Which of the
following is the most likely cause?
A. A tire has lost traction.
, B. The accelerator pedal position (APP) sensor is faulty.
C. The throttle position (TPS) is faulty.
D. A wheel speed sensor is faulty.
D - correct answer ✔✔A vehicle has a low brake pedal. Master cylinder fluid level is correct. Which of
the following is the most likely cause?
A. Worn brake pad lining
B. Seized wheel cylinder
C. Seized caliper piston
D. Brake shoes out of adjustment.
B - correct answer ✔✔The brake caliper piston boot was cut when the caliper was reassembled.
Technician A says this will cause a brake fluid leak when the caliper is reinstalled. Technician B says this
could cause the piston to bind due to contamination. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B
B - correct answer ✔✔A parking brake cable is binding on a vehicle with front disc and rear drum brakes.
This can result in:
A. Dragging front brakes.
B. Dragging rear brakes.
C. Rusted brake drums.
D. Rusted disc brake rotors.
D - correct answer ✔✔Which of the following is LEAST LIKELY to be an input to the traction control
system?
A. Throttle position sensor.
B. Wheel speed sensor
