System Description
WARNING: This page is about a different car, the 2023 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
SYSTEM DIAGRAM
| Component | Description |
|---|---|
| BCM | System Description |
| Combination meter | Combination Meter (4.2 inch Information Display) or Combination Meter (7 inch Information Display) |
| Chassis control module | Chassis Control Module (With Built In Steering Angle Sensor) |
| ABS actuator and electric unit (control unit) | ABS Actuator and Electric Unit (Control Unit) |
| ADAS control unit 2 | ADAS Control Unit 2 |
ADAS CONTROL UNIT 2 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 the wheel speed of the four wheels | |
| Combination meter | CAN communication | System selection signal | Receives a selection state of each item selected with the combination meter | |
| Chassis control module | CAN communication | Steering angle sensor signal | Receives the amount of rotation, rotational angle, and rotational direction of the steering wheel | |
| BCM | CAN communication | Turn indicator signal | Receives an operational state of the turn signal lamp and hazard lamp | |
Output Signal Item
| Reception unit | Signal name | Description | |
|---|---|---|---|
| Combination meter | CAN communication | Meter display signal | Transmits a signal and displays the status on the vehicle information display |
FUNCTION DESCRIPTION
- Operates when the vehicle speed is 55 km/h (34 MPH) or higher.
- Detects the steering status and judges the attentiveness of the driver. The driver's attentiveness is shown on the vehicle information display in eight stages (level indicator).
- When it is judged from the degree of minor swerving in the steering operation that the vehicle is drifting, the driver is prompted to exert caution by the drift warning, which displays on the combination meter.
- When the engine is stopped, the system is reset.
OPERATION DESCRIPTION
- The I-DA (Intelligent Driver Alertness) is controlled by the ADAS control unit 2.
- ON/OFF of the I-DA is performed by using the combination meter.
- The steering angle sensor detects the degree of swerving in the steering operation.
- When the ADAS control unit 2 judges that the steering operation is drifting it transmits the meter display signal to the combination meter.
Operation Condition
- I-DA: ON
- Vehicle speed approximately 55 km/h (34 MPH) or more
NOTE:
- I-DA system ON/OFF can be set on the information display.
- When the engine is stopped, the system is reset.
- The I-DA system may not function properly, depending on the situation.