TELEMATICS TELEMATICS SYSTEM(for ERA-GLONASS) SYSTEM DESCRIPTION
DESCRIPTION
ERA-GLONASS provides 2 services: Automatic Emergency Call and Manual Emergency Call.
If the vehicle is involved in an accident, the telematics system will make an automatic emergency call to a Public Safety Answering Point (PSAP) and transmit the vehicle location, determined by a GNSS satellite, and vehicle information. After receiving an emergency call from the vehicle, depending on the situation, a PSAP operator may immediately contact emergency services.
| *a | Emergency Call Service | *b | GNSS Satellite |
| *c | Cellular Phone Line | *d | Cellular Phone Base Station |
| *e | Mobile Network Operator (MNO) or Mobile Virtual Network Operator (MVNO) | *f | Public Safety Answering Point (PSAP) |
| *g | Public Fixed Line | *h | Emergency Vehicle |
| *i | Public safety authorities such as a police or fire department | *j | The illustrations shown are examples only and may differ from the actual service. |
FUNCTION OF MAIN COMPONENTS
| Component | Function | ||
|---|---|---|---|
| Map Light Assembly
·
Manual (SOS) Switch |
Sends a switch signal to the telematics transceiver when pressed. (When a test call or manual emergency call is performed.) | ||
| LED Indicator Light | Green | ·
Illuminates for 2 seconds after the ignition switch is turned to ON and the manual (SOS) switch indicator (red) has illuminated for 10 seconds. ·
Turns on when the system is operating normally. ·
Blinks during an emergency call. ·
Blinks during test mode. ·
Blinks 5 times when entering test mode (the manual (SOS) switch indicator (green) blinks at the same time). |
|
| Red | ·
Illuminates for 10 seconds after the ignition switch is turned to ON. ·
Blinks when an emergency call fails. ·
Turns off when the system is operating normally. ·
Illuminates when the mobilephone battery needs to be replaced. ·
Illuminates when the DTCs are stored. ·
Illuminates in diagnostic mode to indicate a specific vehicle control history (RoB). ·
Blinks 5 times when entering test mode (the manual (SOS) switch indicator (red) blinks at the same time). |
||
| No. 2 Amplifier Antenna Assembly | Receives signals from the communication network. (Connect as sub) | ||
| Navigation Antenna Assembly | ·
Transmits signals from the telematics transceiver and receives signals from the communication network. (Connect as main) ·
Sends and receives data and voice signals used for emergency calls via a communication network. |
||
| Communication Telematics Box | ·
Sends the microphone voice signal to the telematics transceiver. ·
Outputs voice signals received from the telematics transceiver though a built-in speaker. ·
Checks for malfunctions in its built-in speaker and microphones when the ignition switch is turned to ON. ·
Checks for an open in the speaker and microphones circuits between it and the telematics transceiver when the ignition switch is ON. |
||
| Telematics Transceiver | ·
Uses the No. 2 amplifier antenna assembly to send and receive data and voice signals used for emergency calls via a communication network. -
Sends the received voice signal to the built-in speaker of communication telematics box. -
Receives the sent voice signal from the built-in microphone of communication telematics box. -
Sends a mute signal to the radio receiver assembly*1, radio and display receiver assembly*2 (The audio system is automatically muted during an emergency call.) -
Sends vehicle location information to the PSAP. -
Conducts self-diagnosis every time the ignition switch is turned to ON and after an automatic emergency call or manual emergency call is made. |
||
| Mobilephone Battery | ·
When an automatic emergency call is performed, provides power to the telematics transceiver. ·
When a manual emergency call is made, is not used as the power source. |
||
| Airbag Sensor Assembly | Sends an activation signal to the telematics transceiver when the airbags deploy. (An automatic emergency call is made.) | ||
*1: w/ Audio and Visual System (for Radio Receiver Type)
*2: w/ Audio and Visual System (for Radio and Display Type)
MAYDAY ID OUTLINE
The telematics transceiver functions as the emergency call service device to perform emergency calls.
The telematics transceiver has serial numbers (IMEI, ICCID) which can be used to identify the individual device when servicing.
The IMEI and ICCID are printed on the label attached to the telematics transceiver.
COMMUNICATION SYSTEM
CAN Communication Outline
The telematics system uses CAN communication between the telematics transceiver and ECUs.
DIAGNOSTIC FUNCTION OUTLINE
The telematics system has a diagnostic function (the result will be displayed on GTS).