■ Front radar
■ Front camera
In order for the FCA system to operate properly, always make sure the sensor cover or sensor is clean and free of dirt, snow, and debris.
Dirt, snow, or foreign substances on the sensor cover or sensor may adversely affect the sensing performance of the sensor.
NOTICE
NOTICE
Information
Have the system checked by an authorized HYUNDAI dealer when:
Warning message and warning light
Forward Collision Avoidance Assist (FCA) system disabled. Radar blocked
When the sensor cover is blocked with dirt, snow, or debris, the FCA system operation not be able to detect other vehicles. If this occurs, a warning message will appear on the LCD display. The system will operate normally when such dirt, snow or debris is removed.
FCA may not properly operate in an area (e.g. open terrain) where any objects or vehicles are not detected after turning on the engine.
Hyundai Elantra AD (2016-2020) Service Manual: Engine And Transaxle Assembly Repair procedures
Removal
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Use fender covers to avoid damaging painted surfaces.
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To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
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Mark all wiring and hoses to avoid misconnection.
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For rel ...
Hyundai Elantra AD (2016-2020) Service Manual: Variable Charge Motion Actuator (VCMA) Description and Operation
Description
The Variable Charge Motion Actuator (VCMA) is installed on the inlet of the intake manifold.
It consists of a DC motor which actuates the VCM valve and a position sensor which detects the position of the VCM valve.
The VCM system tumbles air flow entering into combustion
chambe ...