Kia Cee'd: Blind Spot Detection system / Description and operation
Kia Cee'd JD Service Manual / Body Electrical System / Blind Spot Detection system / Description and operation
| Description |
BSD is a system that uses two magnetic wave radar sensors attached on the rear
panel to measure the distance from the following vehicles and provides the sensing
and (visual and auditory) alarm of any vehicle coming into the blind spot.
| – |
Blind Spot Detection (BSD) : Senses other vehicles in the BSD zone and
the display a BSD warning lamp on the sied mirror for the driver.
Warning lamp is blink ON when driver turns on the turn signal lamp to
enter the lane where another vehicle is.
|
| – |
Lane Change Assist (LCA) : Senses other high-speed access vehicles in
the LCA zone and the display a BSD warning lamp on the sied mirror for
the driver.
Warning lamp is blink ON when driver turns on the turn signal lamp without
recognizing any sudden approaching vehicle from that direction.
|
| – |
Rear Cross Traffic Alert (RCTA) : It generates the alarming to the vehicle
approaching from the rear and side during driving the vehicle backwards.
|
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 BSD switch ON, or if you turn on BSD with
BSD switch OFF, the warning lamp of the door mirror flickers for 2 to
3 seconds.
This is to inform the driver that the BSD system is ready. (provided
that if the system is in Fail mode, there is no flickering.)
|
| 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 BSD & LCA operation fails in any mode, Fail mode is on.
|
| 8. |
If BSD & LCA operation operates normally in Fail mode, OFF mode is on.
|
| 9. |
If pressing OFF switch while BSD & LCA function is operating (Active/Passive),
OFF mode is on.
|
Warning Condition
| 1. |
Warning zone
|
| 2. |
Conditions for BSD warning ON
① The entire body of the target vehicle is located behind the line A.
② Any part of the target vehicle pass the line B.
③ Any part of the target vehicle passes the line D and Hysteresis In.
④ The entire part of the target vehicle passes the line D and Hysteresis
In.
|
| 3. |
Conditions for BSD warning OFF
① The entire body of the target vehicle moves before the line A.
② The entire body of the target vehicle moves behind the line B.
③ The entire body of the target vehicle passes the line D and Hysteresis
Out.
④ The entire part of the target vehicle passes the line E and Hysteresis
Out.
|
| 4. |
Conditions for LCA warning ON
① The entire body of the target vehicle is located behind the line B.
② Any part of the target vehicle pass the line C.
③ Any part of the target vehicle passes the line D and Hysteresis In.
④ The entire part of the target vehicle passes the line E and Hysteresis
In.
⑤ In the all above condition, TTC(Time to Collision) is not less than
4.5 sec.
|
| 5. |
Conditions for LCA warning OFF
① The entire body of the target vehicle is located before the line B.
② The entire body of the target vehicle pass the line C.
③ The entire body of the target vehicle passes the line D and Hysteresis
Out.
④ The entire body of the target vehicle passes the line E and Hysteresis
Out.
⑤ In the all above condition, TTC(Time to Collision) is not more than
4.5 sec.
|
| 6. |
Sensor activation conditions
① BSD & LCA switch (indicated by the switch LED) is on.
② Vehicle Speed : 30 km/h or faster
③ Curvature radius : 125m or more
④ Relative car speed : -10 ~ 250㎞/h
("-" means overtaking the preceding vehicle)
|
| 7. |
Sensor deactivation conditions
① BSD & LCA switch (indicated by the switch LED) is off.
② Vehicle Speed : 28 km/h or slower
③ Curvature radius : 125m or less
④ Relative car speed : All except -10 ~ 250㎞/h
("-" means overtaking the preceding vehicle)
|
| 8. |
System control prohibition
① The radar is covered by debris : System conditions - Blockage message
is outputted
② The radar installation is damaged by an outside shock : Send the error
code
③ BSD & LCA system fails : Send the error code
④ The radar is overheated : System conditions - Over Temperature message
is outputted.
|
| 9. |
Rear Cross Traffic Alert (RCTA)
① It is a function for helping to check the vehicle approaching from
the rear and side when the car is started to backwards from parking
to the front in the parking lot.
② The alarming is made for the vehicle within 2 seconds based on the
Time To Collision (TTC) and the human is excluded for alarming (The
alarming may not be made.)
③ Warning zone
|
Components and components location
Components
1. Blind Spot Detection (BSD)
Unit
2. BSD switch
3. BSD warning lamp
4. Cluster
...
Repair procedures
Diagnosis With GDS
1.
BSD system defects can be quickly diagnosed with the GDS. GDS operates
actuator quickly to monitor, input/output value and self diagnosis.
...
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