Kia Cee'd: Emergency Call System / Description and operation

Description
Emergency Call (eCall)
When an accident occurs or the user's request is detected, it notifies the call center of the vehicle status using the wireless network so that the center can provide necessary emergency service.

 
1. Emergency Call
2. Radio Communication network
3. Public-Safety Answering Point (PSAP)
4. Emergency rescue service

eCall Function
1.
Automatic notification function : It detects airbag signal triggered by accident and automatically notifies the call center of the accident.
(1)
An accident occurs (condition : Ignition "ON")
(2)
Collision signal : Sent from the airbag control unit (ACU) to the eCall unit
(3)
Make a call : An emergency call is made to the most appropriate public-safety answering point (PSAP).
(4)
Transmit MSD : After the call is connected, the Minimum Set of Data (MSD) is transmitted using the in-band communication (technology that transmits data through telephone voice channel).
(5)
Connect to a call center agent, who in turn provides emergency service.
  
The eCall system may not work properly if the vehicle damage is grave or the airbag does not operate due to a minor accident.
2.
Manual notification function : The driver can operate the SOS button to notify the call center of the accident manually.
(1)
The driver decides to operate the SOS button.
(2)
Make a call : An emergency call is made to the most appropriate PSAP.
(3)
Transmit MSD : After the call is connected, the MSD is transmitted using the in-band communication (technology that transmits data through telephone voice channel).
(4)
Connect to a call center agent, who in turn provides emergency service.
  
To cancel a connection attempt while making a call by pressing the SOS button, press the button again.
Configuration of eCall Controller

Input buttons & Indicators
SOS button : Press this button to make a call to the call center.
SOS TEST button : Press this button for 10 seconds or more to enter the test mode and reset the eCall system.
LED indicator lamp : The red and green LEDs turn on for 3 seconds after the ACC is on and stay turned off in standby until the key is turned off.
The red LED turns on when there is a problem with the eCall system.
The green LED turns on when the eCall system is operating normally.
Components and components location
Components   1. Head unit (AVN, Audio) 2. Emergency call system button 3. Emergency call system MIC 4. Roof antenna 5. Emergency call unit 6. Su ...

Emergency Call (eCall) Unit Components and components location
Component    The eCall unit for AVN is equipped in AVN head unit. ...

Other information:

Kia Cee'd Service Manual: Electronic Parking Brake (EPB) Schematic diagrams
EPB Circuit Diagram (1) EPB Circuit Diagram (2) EPB connector input/output   Pin No. Function Pin No. Function 1 CAN_High 21 EPB switch 3 ...

Kia Cee'd Service Manual: Height Sensor Repair procedures
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