GENERAL
This system has a rear television camera assembly mounted on the luggage compartment door to display the rear view of the vehicle on the accessory meter assembly*1 or multi-display*2. 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.
*1: for 12.3 Inch Display
*2: for 8 Inch Display
This system consists of the following components:
Rear television camera assembly
Accessory meter assembly*1
Multi-display*2
Radio receiver assembly
Spiral cable with sensor sub-assembly
Brake actuator assembly (skid control ECU)
ECM
Main body ECU (multiplex network body ECU)
Clearance warning ECU assembly*3
*1: for 12.3 Inch Display
*2: for 8 Inch Display
*3: w/ LEXUS Parking Assist-sensor System
This system is equipped with a self-diagnosis system, which is operated on a designated window that appears on the multi-display.
FUNCTION OF COMPONENTS
The radio receiver assembly controls the system by using information from the following components.
| Item | Function |
|---|---|
| Rear Television Camera Assembly |
|
| Radio Receiver Assembly |
|
| Accessory Meter Assembly*1 Multi-display*2 |
Receives the video signals containing a composite of an image of the area behind the vehicle and parking assist guide line signals from the radio receiver assembly, and displays them on the display panel. |
| Spiral Cable with Sensor Sub-assembly | Detects the angle of the steering wheel and transmits the resulting signals to the radio receiver assembly via CAN communication. |
| ECM | Transmits the reverse signal to the radio receiver assembly via CAN communication. |
| Brake Actuator Assembly - Skid Control ECU |
Transmits the vehicle speed signal to the radio receiver assembly via CAN communication. |
| Main Body ECU (Multiplex Network Body ECU) | Transmits the vehicle information and luggage compartment door courtesy switch signal to the radio receiver assembly via CAN communication. |
| Clearance Warning ECU Assembly*3 | Sends a clearance detection data signal to the multi-media module receiver assembly through CAN communication. |
*1: for 12.3 Inch Display
*2: for 8 Inch Display
*3: w/ LEXUS Parking Assist-sensor System
OPERATION EXPLANATION
The radio receiver assembly receives the reverse signal when the engine switch is on (IG) and the shift lever is moved to R. After receiving the reverse position signal, the multimedia module receiver assembly switches the display signal for the accessory meter assembly*1 or multi-display*2 from the audio and visual system to the parking assist monitor system.
*1: for 12.3 Inch Display
*2: for 8 Inch Display
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 |
| *e | Display Mode Switch Screen Button Pressed | - | - |
While the parking assist monitor is displayed on the multi-display, pressing the display mode switch screen button switches the parking assist monitor display mode.
| Parking Assist Monitor Display Mode | Distance Guide Lines (Red) |
Estimated Course Lines (Yellow) |
Distance Guide Lines (Yellow) |
Vehicle Width Extension Guide Line (Blue) |
Distance Guide Line (Blue) |
Parking Assist Guide Lines (Blue) |
Vehicle Center Line (Blue) |
|---|---|---|---|---|---|---|---|
| Estimated course line display mode | Displayed | Displayed | Displayed | Displayed | Displayed | Not displayed | Displayed |
| Parking assist guide line display mode | Displayed | Not displayed | Not displayed | Displayed | Not displayed | Displayed | Displayed |
| Distance guide line display mode | Displayed | Not displayed | Not displayed | Not displayed | Not displayed | Not displayed | Not displayed |
DIAGNOSTIC FUNCTION OUTLINE
This parking assist monitor system has a diagnostic function displayed on the multi-display. This function enables calibration (adjustment and verification) of the parking assist monitor system.
The following items for the parking assist monitor system can be checked using the GTS.
| Item | Proceed to |
|---|---|
| DTC |