Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Operation and Leakage Check
Check all of the following items:
ComponentProcedureBrake Booster (A)Check brake operation by applying the brakes during a test
drive. If the brakes do not work properly, check the brake booster.
Replace the brake booster as an assembly if it does not work properl ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Impact Sensor (FIS) Description and Operation
Description
•
The front impact sensors (FIS) are installed on the upper of
the side panel in Front End Module (FEM). They are remote sensors that
detect acceleration due to a collision at their mounting locations.
•
The primary purpose of the Front Impact Sensor (FIS) is to
pro ...