All-Round Vision Camera
All-Round Vision Camera
All-round vision camera (Top Rear Side View Camera - TRSVC)
Depending on the options fitted, various camera-based systems are available. Technically, the system is implemented with various cameras and a joint control unit, the TRSVC control unit. TRSVC stands for: Top rear bumper camera. The functions of this camera-based assist system are currently:
- Exterior mirror camera
- Bumper camera
- Reversing camera
NOTICE: Ensure that mandatory connections for optional equipment are in place.
Alongside the already familiar PDC parking and manoeuvering aids and reversing camera, another parking and manoeuvering aid is offered in the form of the bumper camera as well as the exterior mirror camera.
The system is described using the BMW 7-Series as an example.
Brief component description
The following components are described for the all-round vision camera (TRSVC):
Centre console operating facility
The cameras are activated by a button in the centre console operating facility. The camera images are displayed on a split screen in the central information display (CID). The system is automatically switched off above a speed of 15 km/h. The reversing camera is also activated by a button in the centre console operating facility. Conditions required for switch-on, see Owner's Handbook.
The centre console operating facility has 2 plug connections (6-pin and 4-pin). Electrical connections exist between the buttons in the centre-console control panel and various control units:
- Bumper camera button and PDC button to the controller (CON)
- Driving dynamics control switch and DTC button to the Integrated Chassis Management (ICM)
NOTICE: New update procedure.
The centre console operating facility is only still connected to the ICM for the next Integrated Chassis Management (ICM) generation.
Exterior mirror camera
From the driver's side a certain area of the front passenger side cannot be viewed. The view is obscured by the exterior mirror and the A-pillar. So that this area can still be viewed, the exterior mirror is equipped with the exterior mirror camera. The exterior mirror cameras are a constituent for all-round visibility (as well as national-market version Japan).
The two exterior mirror cameras make their signals available to the all-round vision camera control unit over a LVDS data line.
The two exterior mirror cameras are located on the underside of the driver's door mirror and passenger side mirror. The exterior mirror cameras are connected to the all-round vision camera control unit by the following lines:
- local interconnect network bus
- LVDS data line
NOTICE: Follow the instructions in the operating instructions.
Dirt can impair the image quality of the exterior mirror cameras. To flush the lenses, comply with the Owner's Handbook.
Bumper camera
The bumper cameras enable an early view of crossing traffic at exits and junctions with a poor viewing angle. Road users concealed by objects on the sides are recognized relatively late from the driver's seat.
The detection range of the cameras is a maximum of 100 meters.
The two bumper cameras and the rear view camera makes their signals available to the TRSVC control unit via an LVDS data line.
The two bumper camera are located on the left and right sides in the bumper. The bumper cameras are connected to the all-round vision camera control unit by the following lines:
- local interconnect network bus
- LVDS data line
NOTICE: Follow the instructions in the operating instructions.
Dirt can impair the image quality of the bumper cameras. To flush the lenses, comply with the Owner's Handbook.
Reversing camera
In the same way as the two bumper cameras, the rear view camera makes its signals available to the TRSVC control unit via an LVDS data line. The signals are forwarded to the video switch (VSW - installed depending on the variant) and subsequently to the Car Information Computer (CIC) over CVBS lines. The CIC transmits the image data via an LVDS data line to the central information display (CID). The image data are displayed on the CID.
The rear view camera is fitted in the handle strip in the tailgate offset to the right. The reversing camera is connected to the all-round vision camera control unit by the following lines:
- local interconnect network bus
- LVDS data line
NOTICE: Follow the instructions in the operating instructions.
Dirt can impair the image quality of the reversing camera. To flush the lenses, comply with the Owner's Handbook.
TRSVC: Control unit for all-round vision camera
The all-round vision camera control unit is located in the rear left of the luggage compartment. The light points, light colors and light intensities picked up by the video camera are evaluated by the TRSVC control unit. The bumper camera is connected to the all-round vision camera control unit by a 5-pin line. The all-round vision camera control unit is connected to the body CAN. The TRSVC control unit is supplied by the rear power distribution box via terminal 15N.
System functions
The following system functions are described:
- Functional networking
- Display
Functional networking
A complex system network with distributed functions in other control units is necessary for implementation of the all-round vision camera. The following graphic shows the system network.
Display
The exterior mirror cameras give support during parking and manoeuvering. This is achieved by illustrating the vicinity of the doors and roadway around the vehicle on the Central Information Display (CID). The range is approximately three meters. The exterior mirror cameras are switched off during forwards travel after approximately 50 meters or above approximately 36 km/h.
The bumper cameras enable an early view of crossing traffic at exits and junctions with a poor viewing angle. Road users that are concealed by obstacles at the side are only detected later from the driver's seat. To improve the view, 2 cameras in the bumper pick up the traffic at the sides. The camera images are displayed in a split screen.
The rear view cameras provide support when parking backwards and manoeuvering. To achieve this, the area behind your vehicle is shown on the central information display (CID). Various assistance graphics in the form of overlays (graphics and text) can be overlaid in the image of the camera. The assistance graphics can be enabled or disabled in the menu of the rear view camera.
The assistance graphics are:
- Maximum curve radii for the turning circle
- Marker lines for the lane
- Marking of obstacles
- Zoom to trailer tow hitch
Notes for Service department
General notes
A soiled lens can lead to a poor representation. In extreme cases, the camera can no longer evaluate images. This means a soiled lens can lead to a system failure. To prevent an incorrect diagnosis, the optical elements of the camera must be cleaned.
Diagnosis instructions
NOTICE: Follow the instructions for service functions.
The diagnosis system provides the following service function for the all-round vision camera (TRSVC):
- Calibrating and "teaching" system for all-round vision camera
Path: Service functions - Driver assistance - All-round vision camera
Depending on the vehicle equipment, all installed cameras are automatically learned in with this service function and the cameras can then be calibrated individually. The bumper camera cannot be calibrated.
NOTICE: New update procedure.
Automatic calibration is now available as a new update procedure to the reversing camera and the exterior mirror camera. Following replacement each camera must be reinitialized ("learning" function). The service function provides an automatic calibration. Manual calibration using the special tool is no longer required. On vehicles with an all-round vision camera manufactured prior to 03/2011 automatic calibration can also be activated in a programming session.
We can assume no liability for printing errors or inaccuracies in this document and reserve the right to introduce technical modifications at any time.