310S Brake Systems 3

Question 1

What is the function of the wheel speed sensor in an ABS system?

Accepted Answer

To monitor individual wheel rotational speed and send data to the ABS module for skid detection

Answer

To measure tire pressure

Answer

To activate the brake lights

Answer

To measure brake rotor temperature

Question 2

What is the purpose of the parking brake equalizer?

Accepted Answer

To distribute equal cable force to both rear brakes when the parking brake is applied

Answer

To adjust the parking brake automatically

Answer

To release the parking brake when driving

Answer

To connect the parking brake to the hydraulic system

Question 3

When measuring brake rotor thickness with a micrometer, where should measurements be taken?

Accepted Answer

At multiple points around the rotor to check for thickness variation (parallelism)

Answer

At the thickest point only

Answer

At the centre hub area

Answer

Only at the outer edge of the friction surface

Question 4

What is the function of the ABS hydraulic modulator?

Accepted Answer

To independently control brake pressure to each wheel by holding, releasing, or reapplying pressure during ABS activation

Answer

To boost brake pedal pressure

Answer

To distribute fluid between the front and rear circuits

Answer

To store pressurized brake fluid

Question 5

What causes a hard brake pedal with poor stopping power?

Accepted Answer

A failed vacuum brake booster or loss of vacuum supply

Answer

Air in the brake lines

Answer

Worn brake pads

Answer

A leaking brake caliper

Question 6

What is the purpose of the brake fluid level sensor in the master cylinder reservoir?

Accepted Answer

To illuminate the brake warning light when fluid drops below a safe level, indicating a possible leak or worn pads

Answer

To measure the quality of the brake fluid

Answer

To control the brake fluid pressure

Answer

To activate the ABS system