ED_BWS.pdf

ED BWS

Back Warning System

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Objectives

To understand the concept of back warning system.

To understand the function of back warning system

To understand the troubleshooting method

Back warning system an auxiliary device for enhancing the convenience of driving condition using

warning (buzzer) system sensing a object within 120㎝ in rear direction and 40㎝ in corner direction

and then indicating how close with the object when the car is driven in less than 10km/h or when the

driver is parking the car. However, this system does not exempt the driver from the duty of attention.

In this system, as limited are the sensing range and sensible objects, the driver should not trust this

system thoroughly and fully pay attention to all direction.

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1. Components

Back warning

control module

Back warning buzzer

Ultrasonic sensor

1.1. Back warning system ECM

(1) When the vehicle is driven in rear direction if an object is found then it generates a various warning

sound by receiving a signal of ultra-sonic wave sensor installed at the rear bumper.

(2) When the ultra-sonic wave sensor is malfunction, a warning sound relevant to the kinds of

malfunction of the sensor is generated.

1.2 Ultra-sonic wave sensor

a. “Rear Left” sensor: Sensor installed at the left side from the center of bumper.

b. “Rear Right” sensor: Sensor installed at the right side from the center of bumper.

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