Lexus ES: System Description
SYSTEM DESCRIPTION
DESCRIPTION
- LEXUS ENFORM allows the vehicle to receive information from the call center and links the information to the audio and visual system*1 or navigation system*2. LEXUS ENFORM permits the driver to use the received information, such as destination information, on the audio and visual system*1 or navigation system*2.
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LEXUS ENFORM provides the following services: Destination Assist Connect*2, Dynamic Navigation*2, Dynamic Voice Recognition*2, App Suite Connect, Safety Connect, Lexus Enform Remote.
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For details about Safety Connect, refer to Safety Connect System.
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For details about Lexus Enform Remote, refer to Telematics System.
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For details about Safety Connect, refer to Safety Connect System.
- LEXUS ENFORM consists mainly of a telephone microphone assembly, DCM (telematics transceiver), radio receiver assembly, and roof antenna assembly.
- *1: w/o Navigation System
- *2: w/ Navigation System
FUNCTION OF MAIN COMPONENTS
| Component | Outline | |
|---|---|---|
| DCM (Telematics Transceiver) |
| |
| Radio Receiver Assembly | Sends and receives the microphone voice signal. | |
| Roof Antenna Assembly | GPS Antenna | Receives signals from GPS satellites and sends these signals to the DCM (telematics transceiver). |
| Telephone Antenna (Main) |
| |
| Navigation Antenna Assembly | Telephone Antenna (Sub) |
|
| Speaker | Outputs the call center advisor's voice. | |
| Navigation ECU (w/ Navigation System) | Sends necessary information to the DCM (telematics transceiver) and Lexus Enform. | |
SERVICES FUNCTION
| Service | Function |
|---|---|
| Destination Assist |
|
| LEXUS App Suite | As "Bluetooth" communication is used for the communication between a cellular phone and the radio receiver assembly, before using the LEXUS App Suite function on the navigation system, the cellular phone needs to be registered to the navigation system as a "Bluetooth" device. For details regarding LEXUS App Suite operations, each of the applications and compatible phones, refer to http://www.lexus.com/MobileLink/. |
(a) Destination Assist (w/ Navigation System)
- Downloads the user's desired destination information into the navigation system after the call center is told the destination.
- Stores the information downloaded in the navigation system so the information can be reused as required.
- Destination Assist is an in-vehicle service that allows subscribers to request directions to any location. Subscribers are connected to an agent through the Destination Assist soft key and may ask the agent to download the location of any destination to the navigation system in the vehicle. Agents are able to locate specific Points Of Interest (POI's) by search terms, locate specific addresses, or provide Zagat-rated restaurants as premium POI's. Agents are able to search for POI's using the distance from the vehicle, from a city, or from another POI. The vehicle device can store up to 5 POI's at a time, which can be added to the device queue as the first or last entry, or as a replacement for all entries.
(b) LEXUS App Suite
- LEXUS App Suite enables the usable content of a cellular phone to be displayed on and operated from the multi-display assembly screen.
- LEXUS App Suite is divided into two categories, infotainment and fleet*.
- As "Bluetooth" communication is used for the communication between a cellular phone and the radio receiver assembly, before using the LEXUS App Suite function on the navigation system, the cellular phone needs to be registered to the navigation system as a "Bluetooth" device. For details regarding LEXUS App Suite operations, each of the applications and compatible phones, refer to http://www.lexus.com/MobileLink/.
- *: Fleet is only available on vehicles with a DCM (telematics transceiver).
(c) Dynamic Navigation (w/ Navigation System)
- Dynamic navigation searches the server for the latest map data and traffic information, etc., and depending on the latest traffic status and other data, optimizes the route and updates the map.
- Dynamic navigation requires a contract, and a full update of the map database in the navigation ECU should be performed every 3 years.
(d) Dynamic Voice Recognition (w/ Navigation System)
(1) There are two types of voice recognition; the voice recognition function uses voice recognition data stored in the onboard device. The other is communication based and uses voice recognition data sent from communication with the DCM (telematics transceiver) as audio signals to be stored at the center.
HINT:
Refer to the navigation system for information about voice recognition.
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(2) Communication Based Voice Recognition
By performing the voice recognition process with the server, natural talk input and other interactive voice operations besides the specified commands can be performed. In addition, by storing all of the user's utterances, the server will learn, and be able to perform voice recognition with greater accuracy.
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System Diagram
SYSTEM DIAGRAM w/ Navigation System
Terminals Of Ecu
TERMINALS OF ECU DCM (TELEMATICS TRANSCEIVER) *a to Telephone Antenna (Sub) *b to GPS Antenna *c to Telephone Antenna (Main) - - Terminal No. (Symbol) Wiring Color Termin
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Components
COMPONENTS ILLUSTRATION *A Type A *B Type B *1 FRONT FLOOR COVER RH - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *A Type A *B Type B *1 FRONT FLOOR COVER LH - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATIO
PCS (Pre-Collision System)
The pre-collision system uses a
radar sensor and front camera to
detect objects in front of
the vehicle. When the system
determines that the possibility of a
frontal collision with an object is
high, a warning operates to urge
the driver to take evasive action
and the potential brake pressur
