Kia Carens: Blind Spot Detection system (BSD) / Description and operation

Kia Carens RP (2013-2018) Service Manual / Body Electrical System / Blind Spot Detection system (BSD) / 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 vehicle in the back and senses and sets off (visual and auditory) alarms for any vehicle coming into the blind spot.
Blind Spot Detection (BSD) System : Detects other vehicles in the rear blind spot area and warns the driver by indicating on outside rearview mirror.
Lane Change Assist (LCA) System : Detects high speed vehicles approaching from rear lateral directions and warns the driver.
Rear Cross Traffic Alert (RCTA) System : Sets off warning for vehicles approaching from rear lateral direction when reversing.

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.
※During IGN ON, the switch is in the initial state: The last position is kept.
If IGN OFF → ON with the switch ON, the switch is ON.
If IGN OFF → ON with the switch OFF, the switch is OFF.
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
    Components and components location
    Components 1. Blind Spot Detection (BSD) Unit 2. BSD switch 3. Cluster 4. BSD warning lamp ...

    Repair procedures
    Diagnosis With KDS/GDS 1. BSD system defects can be quickly diagnosed by using the KDS/GDS. KDS/GDS operates actuator quickly to monitor input/output value and pe ...

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