Description and Operation

Description

eCall: When a collision occurs or a user request is detected, the vehicle status center is notified of the call via the wireless network so that the center can provide the necessary emergency assistance.

1. Emergency Call 2. Wireless Communication Network

3. Public Safety Answering Point (PSAP) 4. Emergency Rescue Service

eCall Function

1. 1
   Automatic Notification Function: Detects airbag deployment in a collision and automatically notifies the call center of the incident.

   1. Collision Occurs (Condition: IGNITION ON)
   2. Collision Signal: Sent from the Airbag Control Unit (ACU) to the eCall module.
   3. Place Call: The emergency call is routed to the most suitable Public Safety Answering Point (PSAP).
   4. Transmit MSD: After the call is connected, the Minimum Set of Data (MSD) is transmitted using in-band modem communication (technology that transmits data over the voice channel of a telephone line).
   5. Connect to a call center operator, who will then provide emergency assistance service.

      The eCall system may not operate properly if vehicle damage is severe or if the airbags do not deploy in a minor collision.

2. 2
   Manual Notification Function: The driver decides to use the SOS button to manually notify the call center of the incident.

   1. The driver decides to press the SOS button.
   2. Place Call: The emergency call is routed to the most suitable PSAP.
   3. Transmit MSD: After the call is connected, the MSD is transmitted using in-band modem communication (technology that transmits data over the voice channel of a telephone line).
   4. Connect to a call center operator, who will then provide emergency assistance service.

      To cancel the call connection attempt during a call initiated by the SOS button, press the button again.

Input Button and Indicator. SOS Button: Press the button to call the call center. SOS TEST Button: Press and hold the button for 10 seconds or more to enter test mode and restart the eCall system. Indicator Lamp: The red and green LEDs illuminate for 3 seconds after ACC is turned on, and remain off in standby mode until the ignition is turned off. The red LED illuminates when a problem occurs in the eCall system. The green LED illuminates when the eCall system is operating normally.