Automatic Emergency Call

In the event of an accident in which the SRS airbags are deployed, upon receiving a deployment signal from the center airbag sensor, the telephone ECU assembly automatically makes an emergency call and transmits the vehicle position and user information to the LEXUS Link call center. The user can then speak with the LEXUS Link call center advisor and receive assistance.

Manual Emergency Call

Pressing the emergency button causes the telephone ECU assembly to make an emergency call. The telephone ECU assembly transmits the vehicle position and user information to the LEXUS Link call center. The user can then speak with the LEXUS Link call center advisor and receive assistance.

Roadside Assistance

Pressing the SERVICES button causes the telephone ECU assembly to make a service call. The telephone ECU assembly transmits the vehicle position and user information to the LEXUS Link call center. The user can then speak with the LEXUS Link call center advisor and receive assistance.

Advisor Record

During a call with the LEXUS Link call center advisor, pressing the SERVICES button enables the conversation to be recorded.

Advanced Services

If the user has registered necessary service information at lexus.com within the owners only section, the owner can receive voice recordings from the internet for weather, traffic and other information.

Remote Door Locking/Unlocking

The doors can be locked or unlocked remotely by the LEXUS Link call center advisor by calling the LEXUS Link call center.

Remote Horn and Lights

If the user calls the LEXUS Link call center, the LEXUS Link call center advisor can flash the lights and sound the horn remotely.

Handsfree Calling

Pressing the phone or PTT button enables the driver to make calls handsfree through voice recognition.

Stolen Vehicle Tracking

In the event of a vehicle theft, if the user calls the LEXUS Link call center, the LEXUS Link call center advisor confirms and tracks the vehicle position using the GPS. The LEXUS Link call center advisor also calls the police when necessary.

Self Diagnosis

When the system error is detected, the LEXUS Link system informs the driver by the red LED illumination or voice warning. The telephone ECU assembly will store trouble codes.

Voice Prompt

The telephone ECU assembly informs the users using a voice prompt.

Map light assembly (Mayday switch)

PTT button

PTT is abbreviation for Push To Talk

Operating this button activates voice recognition (to enter numbers for automated systems, e.g., voice mail) function and makes telephone number registration and handsfree calls possible

VOL button

Volume control button

It is possible to adjust volume during calls or even when audio system is off

Phone button

Usually has same functions as PTT button. However, in case of answering or hanging up phone, this button also works as hook switch.

SERVICES button

Call is made to LEXUS Link call center advisor and contracted service can be received by pressing this button

Pressing SERVICES button while speaking to LEXUS Link call center advisor activates advisor record function. Playing recorded voice can be done using voice recognition function.

Emergency button

In case of emergency, call is made to LEXUS Link call center

Call center will answer call ahead of other calls

Indicator (Green LED)

Turns on when system is under service contact and operating normally

Blinks during call and turns off when system is not enrolled (contract expired). Also turns off when red LED is on.

Blinks when in diagnosis mode to indicate DTC

Indicator (Red LED)

Turns on when telephone ECU assembly detects malfunction in system

Blinks when call is made when system is still malfunctioning

Turns off when system is operating normally

Blinks if in diagnosis mode to indicate DTC

Telephone ECU assembly (Mayday ECU)

Main control ECU of LEXUS Link system

Mayday battery

In case of automatic or manual emergency call, mayday battery provides power to telephone ECU assembly when power supply from vehicle battery is cut off

Telephone antenna assembly (GPS antenna function)

Receives signals from GPS satellites and transmits vehicle position signal to telephone ECU assembly

Telephone antenna assembly (Cellular phone antenna function)

This antenna is for mobile phones. It is compatible with transmission and reception of frequency bands of analog and digital (CDMA) mobile phones.

Transmits signals from telephone ECU assembly and receives signals from LEXUS Link call center or other phones

Front No. 2 speaker RH

Outputs voice of LEXUS Link call center advisor, audio sound and voice prompts

Shared with audio system

Microphone amplifier assembly

Voice amplification equipment

Shared with navigation system

Located in map light assembly (overhead junction block)

Center airbag sensor assembly

Outputs airbag deployment signal to telephone ECU assembly

Bus buffer ECU

Converts communication between telephone ECU assembly and other ECUs to CAN or BEAN

Infrastructure

Refers to all communication related to LEXUS Link system

Off Mode

The system is in a full sleep state

On Mode

The system is operating (engine switch is on (IG))

Backup Battery Strategy Flow Mode

When certain conditions are fulfilled, the system changes to backup battery mode

DRx Mode*

After the engine switch is turned off, remote service is possible as the system is on standby for incoming calls

Active Mode

Active mode settings are set by the LEXUS Link call center through wireless communication protocol (data is downloaded)

Active mode functions according to the type of LEXUS Link subscription

De-active Mode

De-active mode settings are set by the LEXUS Link call center through wireless communication protocol (data is rewritten)

If a subscription is made and then temporarily canceled, the system is in de-active mode

In de-active mode, pressing the SERVICES button will initiate a voice recording.* If the SERVICES button is pressed again during the voice recording, you will be connected to a subscription advisor at the LEXUS Link call center. Your subscription can then be renewed.

Power up

LEDs flash in sequence

LEDs flash in sequence

LEDs flash in sequence

LEDs flash in sequence

No call state

Illuminates green

Off

Illuminates red

Illuminates red

User call state

Blinking green

Blinking green

Blinking red

Blinking red