VW Safety Systems & Standards 3

Question 1

What is the function of VW's Hydraulic Brake Assist (HBA) system?

Accepted Answer

Maximizes brake pressure when a panic stop is detected

Answer

HBA detects rapid pedal application typical of a panic stop and automatically maximizes brake line pressure to reduce stopping distance.

Question 2

A VW Golf's Electronic Differential Lock (EDL) intervenes up to approximately what vehicle speed?

Accepted Answer

40 mph (64 km/h)

Answer

EDL operates up to approximately 40 mph (64 km/h), braking the spinning wheel to transfer torque to the wheel with more traction.

Question 3

Under FMVSS 126, all new passenger vehicles sold in the US since 2012 must be equipped with which system?

Accepted Answer

Electronic Stability Control (ESC)

Answer

FMVSS 126 mandated Electronic Stability Control on all new US passenger vehicles from model year 2012 onward.

Question 4

What VW diagnostic function is used to perform a 'basic setting' on a brake pressure sensor after brake system repairs?

Accepted Answer

ODIS Guided Functions – Basic Settings

Answer

ODIS Guided Functions provides the Basic Settings routine required to calibrate or reset brake pressure sensors after repairs.

Question 5

Which VW system prevents the vehicle from rolling backward on a hill by briefly holding brake pressure after the driver releases the brake pedal?

Accepted Answer

Hill Start Assist (HHC/HSA)

Answer

Hill Start Assist (also called Hill Hold Control) maintains brake pressure for approximately 2 seconds on inclines to prevent rollback during launch.

(VW) Volkswagen Certified Technicians Practice Test