Hyundai Kona: Blind-Spot Collision Warning (BCW) / Description and operation
Hyundai Kona (OS) 2018-2025 Service Manual / Body Electrical System / Blind-Spot Collision Warning (BCW) / Description and operation
| Description |
BCW is a system that measures the relative speed and distance from the following
vehicles by using two electromagnetic wave radar sensors attached to the
rear bumper, and detects any vehicle within the blind spot zone and gives
off alarm (visual and auditory).
| – |
Blind-Spot Collision Warning Indicator (BCW) : Senses other vehicles
in the BCW zone and turns on the BCW warning lamp for the driver.
Warning lamp starts blinking when the driver turns on the turn signal
lamp to enter the lane where another vehicle is driving.
|
| – |
Lane Change Assist (LCA) : Senses other vehicles approaching at
high speed in the BCW zone and turns on the BCW warning lamp for
the driver.
Warning lamp starts blinking when the driver turns on the turn signal
lamp without recognizing any sudden approaching vehicle from that
direction.
|
| – |
Rear Cross Traffic Alert (RCTA) : When the vehicle is on the reverse,
the RCTA generates alarm to alert another vehicle approaching from
the rear and side.
|
System Operating Mode
| 1. |
When starting the engine with the switch off, OFF mode is on.
|
| 2. |
When pressing ON switch in OFF mode, Passive mode is on.
|
| 3. |
If starting the engine with the switch ON, Passive mode is on.
※ When IGN is ON, the switch is in the initial state : The last
position is kept.
|
| 4. |
If you start the engine with BCW switch ON, or if you turn on the
BCW with IGN OFF, the warning lamp of the door mirror keeps blinking
for 2 to 3 seconds.
This is to inform the driver that the BCW system is ready. (provided
that if the system is in Fail mode, there is no blinking.)
|
| 5. |
If the activation conditions (speed and curvature radius) are met
while driving, Active mode is on (warning issued).
|
| 6. |
If the activation conditions (speed and curvature radius) are not
met while driving, Passive mode is on (warning removed).
|
| 7. |
If BCW & LCA operation fails in any mode, Fail mode is on.
|
| 8. |
If BCW & LCA operation operates normally in Fail mode, OFF mode
is on.
|
| 9. |
If pressing OFF switch while BCW & LCA function is operating (Active/Passive),
OFF mode is on.
|
Warning Condition
| 1. |
Warning zone
|
| 2. |
Conditions for BCW warning ON
|
Components and components location
Components
1. Blind-Spot Collision Warning
(BCW) Unit
2. BCW switch
3. Speaker
4. BCW warning lamp
5. Cluster
...
Repair procedures
Diagnosis With GDS
1.
BCW system defects can be quickly diagnosed with the GDS. GDS operates
actuator quickly to monitor, input/output value and self di ...
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2.
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1.
Remove the ignition key from the vehicle.
2.
Disconnect the battery negative cable and wait for at least three minutes
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3.
Remove the floor console.
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