*1: for Navigation Receiver Type
*2: for Radio and Display Type
GENERAL
This system has a rear television camera assembly mounted on the back door to display the rear view of the vehicle on the multi-display (display panel). The display panel also shows a composite view consisting of the area behind the vehicle and parking guidelines to assist the driver in parking the vehicle by monitoring the area behind the vehicle.
This system consists of the following components:
Parking assist ECU
Rear television camera assembly
Navigation receiver assembly*1
Radio and display receiver assembly*2
Spiral cable sub-assembly
Skid control ECU (brake actuator assembly)
ECM
Main body ECU (multiplex network body ECU)
Four wheel drive control ECU
This system is equipped with a self-diagnosis system, which is operated from a designated window that appears on the display panel, just as in the navigation system or audio and visual system.
FUNCTION OF COMPONENTS
The parking assist ECU controls the system by using information from the following components.
| Item | Function |
|---|---|
| Rear Television Camera Assembly |
|
| Parking Assist ECU |
|
| Navigation Receiver Assembly*1 Radio and Display Receiver Assembly*2 |
Receives the video signals containing a composite of the rear view of the vehicle and parking assist guideline signals from the parking assist ECU, and sends them on the multi-display (display panel). |
| Spiral Cable Sub-assembly | Detects the angle of the steering wheel and sends the resulting signals to the parking assist ECU through CAN communication. |
| Skid Control ECU (Brake Actuator Assembly) | Sends the inner brake information and ABS ACT information to the parking assist ECU through CAN communication. |
| Four Wheel Drive Control ECU | Sends the L4 condition signal to the parking assist ECU through CAN communication. |
| ECM | Sends the vehicle condition, 2WD/4WD information and shift position information to the parking assist ECU through CAN communication. |
| Main Body ECU (Multiplex Network Body ECU) | Sends the back door courtesy light switch signal to the parking assist ECU through CAN communication. |
OPERATION EXPLANATION
The reverse position signal is sent from the shift lever position switch to the parking assist ECU when the shift lever is moved to R.
In parallel parking assist mode, an appropriate steering angle and timing information can be provided for the driver. This is based on the information from the steering angle sensor signal and the vehicle angle data signal that are sent to the parking assist ECU.
Tech Tips
The steering angle sensor signal is used to control parking assist for only estimated guide line mode.
DISPLAY MODE SETTING
| *a | Display Mode Switch Screen Button | *b | Estimated Course Line Display Mode |
| *c | Parking Assist Guide Line Display Mode | *d | Distance Guide Line Display Mode |
|
Display Mode Switch Screen Button Pressed | - | - |
While the parking assist monitor is displayed, pressing the line mode button switches the parking assist monitor display mode.
| Parking Assist Monitor Display Mode | Distance guide lines (Red) |
Vehicle width extension guide line (Blue) |
Estimated course lines (Yellow) |
Parking assist guide lines (Blue) |
|---|---|---|---|---|
| Estimated Guide Line Mode | Displayed | Displayed | Displayed | Not displayed |
| Parking Assist Guide Line Display Mode | Displayed | Displayed | Not displayed | Displayed |
| Distance Guide Line Display Mode | Displayed | Not displayed | Not displayed | Not displayed |
COMMUNICATION SYSTEM OUTLINE
The components of the parking assist monitor system communicate with each other through the AVC-LAN. Also, parallel parking assist mode judges the vehicle angle data transmitted via the AVC-LAN from the navigation receiver assembly*1 or radio and display receiver assembly*2 (the data is calculated by the navigation receiver assembly*1 or radio and display receiver assembly*2 by integrating the yaw rate of the gyro sensor built into the navigation receiver assembly*1 or radio and display receiver assembly*2).
If a short circuit or open circuit occurs in the AVC-LAN, communication is interrupted and the parking assist monitor system will stop functioning.
DIAGNOSTIC FUNCTION OUTLINE
This parking assist monitor system has a diagnostic function displayed in the navigation receiver assembly*1 or radio and display receiver assembly*2. This function enables the calibration (adjustment and verification) of the parking assist monitor system Click here.
The parking assist monitor system can check the following items by using the GTS.
| Item | Proceed to |
|---|---|
| DTC | |
| Data List / Active Test |