Kia Forte: Brake System / Forward Collision-Avoidance Assist (FCA) System
Description and operation
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FCA system is designed to help avoid a potential collision or reduce
its impact when drivers applies inadequate, delayed or no brakes at all
to avoid a collision.
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The system detects the risk factors on the road by using the frontal
impact sensor and warn the driver and activate the emergency brake to prevent
collision or reduce collision speed.
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Deactivation condition
Normal deactivation by the driver
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Deactivation by the driver
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When it exceeded the maximum operation speed.
When the shift lever is in R or P
When you pressed the accelerator pedal half way.
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When it detected driver's action to avoid a collision such as sudden
steering changes.
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Deactivation by the system malfunction
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Faulty rader / camera / ECU
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When the related modules and CAN communication have failures
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Limitations
Environmental factor
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Inclement weather such as heavy rain or snow obscures
the field of view of the radar sensor or camera
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The driver's field of view is not well illuminated (either
too dark or too much reflection or too much backlight that
obscures the field of view
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The camera/radar is contaminated.
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Limitations in camera and radar detection
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The vehicle/pedestrian appears abruptly (beyond field
of view).
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The vehicle in front is too small to be detected (for
example a motorcycle or a bicycle, etc.).
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The vehicle in front does not have their rear lights
properly turned ON.
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The vehicle in front is driving towards your vehicle
or reversing.
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The pedestrian is not fully detected by the system, for
example, if the pedestrian is leaning over or is not fully
walking upright.
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The pedestrian is wearing clothing that easily blends
into the background, making it difficult to be detected
by the system.
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The outside lighting is too bright (e.g. when driving
in bright sunlight or in sun glare) or too dark (e.g. when
driving on a dark rural road at night).
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The pedestrian is moving very quickly or appears abruptly.
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Basic specification (front camera applied)
※ The time indicated will be changed according to vehicle speeds.
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Step 1 : Issue a visual (display) and vocal alarm when a danger
is detected.
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Step 2 : Reduce engine torque and activates FCA when there is
a high chance of collision.
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Step 3 : Activate emergency brake when a collision is imminent.
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After stopping the vehicle : Maintain the braking control for
a certain time and then release it.
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Braking power is adjusted depending on the risk levels
of collision, but it is released immediately when it detects
the driver's action to avoid a collision.
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| 1) |
When it exceeded the maximum operation speed.
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| 2) |
When it detected driver's action to avoid a collision
such as sudden steering changes.
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| 3) |
When the shift lever is in R or P
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| 4) |
When you pressed the accelerator pedal half way.
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| 1) |
When you drive at 60km/h - 160km/h or faster, the system
does not go to step 3 of emergency braking.
- Full auto braking is not available.
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| 2) |
When you drive at 60km/h or faster, the system does not
go to step 3 of emergency braking.
- But a collision may occur at depending on the road
conditions.
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| 3) |
Offset should be less than 50%.
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| 4) |
FCA does not work on the vehicles backing up or resisting.
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Offset : Rate of non-overlapping on the line between the front
driving car and my car
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Offset 0% :
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Offset 100% :
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| 2. |
When the Smart Cruise Control is applied at the same time (front radar
added)
The time indicated will be changed according to vehicle speeds.
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Step 1 : Issue a visual (display) and vocal alarm when a danger
is detected.
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Step 2 : Reduce engine torque and activates FCA when there is
a high chance of collision.
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Step 3 : Activate emergency brake when a collision is imminent.
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After stopping the vehicle : Maintain the braking control for
a certain time and then release it.
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Braking power is adjusted depending on the risk levels
of collision, but it is released immediately when it detects
the driver's action to avoid a collision.
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| 1) |
When it exceeded the maximum operation speed.
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| 2) |
When it detected driver's action to avoid a collision
such as sudden steering changes.
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| 3) |
When the shift lever is in R or P
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| 4) |
When you pressed the accelerator pedal half way.
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| 1) |
When you drive at 85km/h - 160km/h or faster, the system
does not go to step 2 of emergency braking.
- Full auto braking is not available.
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| 2) |
When you drive at 85km/h or faster, the system does not
go to step 3 of emergency braking.
- But a collision may occur at depending on the road
conditions.
- Partial braking may be applied according to the surrounding
environment.
- For the vehicle parked in front, full braking is applied
at level 3 after the warning only when the vehicle speed
is under 75 km/h.
Up to level 2 is performed when the vehicle speed is
over 75 km/h.
- For the pedestrian and cyclists, full braking is applied
at level 3 after the warning only when the vehicle speed
is under 65 km/h.
Up to level 1 is performed when the vehicle speed is
over 65 km/h.
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| 3) |
Offset should be less than 50%.
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| 4) |
FCA does not work on the vehicles backing up or resisting.
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Offset : Rate of non-overlapping on the line between the front
driving car and my car
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Offset 0% :
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Offset 100% :
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Components and components location
The following is the configuration of the FCA system.
[Basic specification (Front camera applied)]
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Detection device (camera) that can recognize potential obstacles in the
front.
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Human-Machine Interface (HMI) to warn driver or change settings.
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Braking system to automatically brake the car
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[When the Smart Cruise Control is applied at the
same time (Front radar added)]
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Detection device (radar and camera) that can recognize potential obstacles
in the front.
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Human-Machine Interface (HMI) to warn driver or change settings.
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Braking system to automatically brake the car
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FCA, contrary to FCA (Smart Cruise Control), has to work on a stationary car
so the system uses the Fusion Target system to combine radar with camera.
Description and operation
Description
Introduction of quick brake warning system (ESS)
In case of quick brake by driver, the brake lamp or turn signal is blinked to
warn against the v ...
Schematic diagrams
Circuit Diagram
Repair procedures
Removal
SCC & FCA Radar and Unit
1.
Remove the front bumper.
(Refer to Body (Interior and Ext ...
Other information:
1. Open the trunk lid.
2. Remove the socket from the
assembly by turning the socket
counterclockwise until the tabs on
the socket align with the slots on
the assembly.
3. Remove the bulb from the socket
by pressing it in and rotating it
counterclockwise until the tabs on
the bulb a ...
The rear seatbacks may be folded to
facilitate carrying long items or to
increase the luggage capacity of the
vehicle.
WARNING - Folded
Seatback
Never allow passengers to sit
on top of the folded down seatback
while the vehicle is moving.
This is not a proper seating
position and n ...
Emergency Signal System
FCA Radar