System Description

LANE DEPARTURE WARNING (LDW) SYSTEM


System Description


OUTLINE
- Lane Departure Warning (LDW) system provides a lane departure warning function when the vehicle is driven at speeds of approximately 72 km/h (45 MPH) or more.
- When the vehicle approaches either the left or the right side of the traveling lane, a warning will sound and the lane departure warning lamp (yellow) on the combination meter will blink to alert the driver.
- The warning function will stop when the vehicle returns inside of the lane markers.

BASIC OPERATIONS

Switches And Indicator/Warning Lamps






Bulb Check Action and Fail-safe Indication






LDW INITIAL STATE CHANGE

CAUTION:
Never change LDW initial state "ON" ⇒ "OFF" without the consent of the customer.
LDW initial state can be changed.
- LDW initial ON* - LDW function is automatically turned ON, when the ignition switch OFF ⇒ ON.
- LDW initial OFF - LDW function is still OFF when the ignition switch OFF ⇒ ON.
*: Factory setting

How to change LDW initial state
1. Turn ignition switch ON.
2. Switch LDW and LDP functions to OFF.
3. Push and hold LDW switch for more than 4 seconds.
4. Buzzer sounds and blinking of the lane departure warning lamp informs that the LDW initial state change is completed.

LDW SYSTEM CONTROL DESCRIPTION
- LDW system is controlled by lane camera unit.
- Lane camera unit monitors lane markers of the traveling lane.
- When the lane camera unit judges vehicle deviation from the traveling lane, it controls the lane departure warning lamp and the lane departure warning buzzer to alert the driver.

LDW OPERATING CONDITION
- LDW ON indicator: ON

NOTE:
LDP ON indicator lamp is OFF.
- Vehicle speed: approximately 72 km/h (45 MPH) or more

NOTE:
For details of LDW system operating conditions, refer to normal operating condition Normal Operating Condition.






SIGNAL INPUT/OUTPUT BY CAN COMMUNICATION
Lane camera unit receives signals via CAN communication. It also detects vehicle conditions that are necessary for LDW control.