Lexus ES: System Description
SYSTEM DESCRIPTION
OUTLINE
(a) Lexus Enform Remote, which enables the user to check the vehicle status and operate the vehicle from a remote location, is used.
(b) Lexus Enform Remote is available by installing a dedicated smartphone application after entering a service contract*.
- *: Lexus Enform Remote cannot be operated until the user has entered a service contract.
(c) Lexus Enform Remote services are performed through data communication between mainly a Lexus Enform Remote capable DCM (telematics transceiver), the service center and a smartphone with the application installed.
HINT:
- Start and operate the Lexus Enform Remote system according to the instructions displayed on the application.
- The contents of Lexus Enform Remote may vary depending on the application.
- For details on available Lexus Enform Remote, go to http://www.Lexus.com/enform
FUNCTION OF MAIN COMPONENTS
| Component | Function | |
|---|---|---|
| DCM (Telematics Transceiver) |
| |
| Roof Antenna Assembly | GPS Antenna | Receives signals from GPS satellites and transmits these signals to the DCM (telematics transceiver). |
| Telephone Antenna (Main) | Transmits signals from the DCM (telematics transceiver) and receives signals from the service center. (Main) | |
| Navigation Antenna Assembly | Telephone Antenna (Sub) | Receives signals from the service center. (Sub) |
| Certification ECU (Smart Key ECU Assembly) | Receives the remote engine start and stop signal from the user's smartphone or electrical key transmitter sub-assembly via the DCM (telematics transceiver) and initiates the engine start operation. | |
| Air Conditioning Amplifier Assembly |
| |
| Main Body ECU (Multiplex Network Body ECU) | Locks the door when a remote door lock and unlock operation signal is received. | |
FUNCTION
(a) The main services of Lexus Enform Remote are as follows:
| Category | Remote Service | Function |
|---|---|---|
| Remote Information | Vehicle Status Report | Allows the vehicle status (doors open/closed, etc.) and vehicle information (distance traveled, etc.) to be checked from a remote location via a smartphone, after the engine switch has been turned off. By updating the information, the latest vehicle status can be displayed.*1 |
| Remote Notification | Guest Driver Monitor |
|
| Vehicle Status Alerts | Sends a notification to the user if certain operations are not performed within a certain amount of time after the engine switch is turned off, such as locking the doors, closing the windows, etc.*2*4 | |
| Remote Operation | Remote Engine Start and Stop |
|
| Remote Door Lock and Unlock | Allows the doors to be locked/unlocked from a remote location via a smartphone.*6 |
- *1: If the latest vehicle information has not been sent from the vehicle due to the condition of the vehicle (such as if the DCM (telematics transceiver) is outside of the cellular telephone reception area), the most recently received information will be displayed.
- *2: No notifications will be sent if the latest vehicle information has not been sent from the vehicle due to the condition of the vehicle (such as if the DCM (telematics transceiver) is outside of the cellular telephone reception area). Notifications may be delayed if the smartphone has poor reception.
- *3: Only one notification per set condition will be sent during a single trip.
- *4: If the smart access system with push-button start has been canceled, vehicle status alerts notifications will not be sent to the user. If the electrical key transmitter sub-assembly is inside the vehicle or detected as being "inside cabin", vehicle status alerts notifications will not be sent.
- *5: If the vehicle cannot receive the remote engine start and stop signal due to the condition of the vehicle (such as if the DCM (telematics transceiver) is outside of the cellular telephone reception area), the engine will not be started remotely. Additionally, the remote engine start and stop operation signal may not be received depending on vehicle conditions.
- *6: If the vehicle cannot receive a door lock/unlock signal due to the condition of the vehicle (such as if the DCM (telematics transceiver) is outside of the cellular telephone reception area), the door lock or unlock operation will not be performed. After a door unlock operation is performed, if the doors are not opened within a certain amount of time, the doors will automatically be locked.
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System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. DCM (TELEMATICS TRANSCEIVER) Terminal No. (Symbol) Wiring Color Terminal Description Cond
Lost Communication with Body Control Module Missing Message (U014087,U015587,U016387)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U014087 Lost Communication with
SEE MORE:
Motor Control Relay Stuck ON (Fr Shade) (B234A)
DESCRIPTION This DTC will be stored if the operation of the front roof sunshade is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off. DTC No. Detection Item DTC Detection Condition Trouble Area B234A Motor Control Relay Stuck ON (Fr Shade) Position
CD/DVD Sound Skips
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
When replacing the radio receiver assembly, always re
