System Description
SYSTEM DIAGRAM
| Component | Description |
|---|---|
| ADAS control unit | Component Description |
| BCM | System Description |
| ABS Actuator and Electric Unit (Control Unit) | ABS Actuator and Electric Unit (Control Unit) |
| Combination meter | Combination Meter |
| Display control unit | Display Unit |
| Front camera unit | Component Description |
ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM
Input Signal Item
| Transmit unit | Signal name | Description | ||
|---|---|---|---|---|
| ABS actuator and electric unit (control unit) | CAN communication | Vehicle speed signal (ABS) | Receives wheel speeds of four wheels | |
| BCM | CAN communication | Turn indicator signal | Receives an operational state of the turn signal lamp and the hazard lamp | |
| Display control unit | CAN communication | System selection signal | Receives a selection state of each item in "Driving Aids" selected with the integral switch | |
| Front camera unit | CAN communication | Detected lane condition signal | Receives detection results of lane marker | |
Output Signal Item
| Reception unit | Signal name | Description | ||
|---|---|---|---|---|
| Combination meter | CAN communication | Meter display signal | Transmits a meter display signal to turn ON the LDW system display | |
| Front camera unit | CAN communication | Vehicle speed signal | Transmits a vehicle speed calculated by ADAS control unit | |
| Turn indicator signal | Transmits a turn indicator signal received from BCM | |||
| Steering vibration motor | Motor operation signal | Activates a motor operation signal to activate the steering vibration motor. | ||
FUNCTION DESCRIPTION
- Lane Departure Warning (LDW) system provides a lane departure warning function when the vehicle is driven at speeds of approximately 60 km/h (37 MPH) or more.
- When the vehicle approaches either the left or the right side of the traveling lane, a steering vibration activates and the lane departure warning lamp (yellow) on the combination meter will blink to alert the driver.
- The warning does not occur during turn signal operation (Lane change side).
- The warning function will stop when the vehicle returns inside of the lane markers.
EXAMPLE
When the vehicle approaches the right lane marker, the driver is alerted by the steering vibration and the blinking of LDW warning display (yellow).
OPERATION DESCRIPTION
- Front camera unit monitors lane markers of the traveling lane. It transmits the detected lane condition signal to ADAS control unit via CAN communication.
- When judging from a lane marker detection signal that the vehicle is approaching the lane marker, the ADAS control unit controls the following item to alert the driver.
- Activates the steering vibration motor by ADAS control unit.
- ADAS control unit transmits a meter display signal to combination meter via CAN communication and turns ON/OFF the LDW system display.
OPERATING CONDITION
- LDW system display (white): ON (Speaker icon ON in "Lane" position)
- Vehicle speed: approximately 60 km/h (37 MPH) or more
- Turn indicator signal: After 2 seconds or more from turned OFF
NOTE:
- LDW system ON/OFF can be set on the integral switch.
- After the operating conditions of warning are satisfied, the warning continues until the vehicle speed reaches approximately 50 km/h (32 MPH)
- LDP system is OFF.
- The LDW system may not function properly, depending on the situation. Refer to Precaution for LDW/LDP System Service .