BMW 7 Series: System Overview
System Circuit Diagram F01/F02
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Fig. 55: System Circuit Diagram F01/F02
SYSTEM CIRCUIT DIAGRAM LEGENDS
- Night Vision 2 camera
- Central gateway module (ZGM)
- Footwell module (FRM)
- Night Vision 2 control unit (NVE)
- Control panel, driver assist systems (BEFAS)
- Instrument cluster (KOMBI)
- Central information display (CID)
- Car Information Computer (CIC)
- Controller (CON)
- Junction box (JB)
- Video switch (VSW)
- Electromagnetic parking brake (EMF)
- Power distribution box, rear right
PT-CAN - Powertrain controller area network
K-CAN - Body controller area network
LIN-Bus - Local Interconnect Network bus
D-Bus - Diagnosis bus
KI.31L - Terminal 31, ground
KI.15N - Terminal 15, after running (voltage)
Connection of Control Units and Camera
The Night Vision 2 control unit and the night vision camera are connected through the following cables:
- Private CAN-bus; Diagnosis, programming and camera control
- LVDS-Video; Video signal from the camera
- CAN_POW; Power supply from control unit to camera, heating of camera lens
- Ground; Common ground of camera and control unit for suppressing interference.
The video signal is sent via a shielded LVDS cable between the camera and control unit. In the control unit the signal is converted into an dCVBS (d = differential) video signal and, depending on the equipment specification, transmitted to the CIC or the video switch.
The camera is powered under the following conditions:
- BMW Night Vision 2 switched on by pressing button in control panel of driver assist systems BEFAS
- Rain-driving lights sensor detects twilight or darkness.
The BMW Night Vision 2 control unit is powered by the rear distribution box via terminal 15N.
PT-CAN
The PT-CAN connection of the Night Vision 2 control unit serves to transmit the diagnosis and programming data and to read out the information from the RLS (brightness), the JB (driving lights status, wiper speed) and ICM (road speed and yaw rate). In addition, the terminal status and the vehicle identification number (VIN) are transferred to the control unit via the PT-CAN.
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System Functions
The BMW Night Vision 2 System Principle
The BMW Night Vision 2 camera is a heat image camera that converts thermal
radiation into electronic signals.
The thermal image is converted first by the sens
System Components
The BMW Night Vision 2 system consists of the camera, control unit, camera
washer jet, button and the sensor
system.
The BMW Night Vision 2 system consists of the following components:
Night Visio
Service Information
Adjusting Camera Pivot Position
The pivot position of the camera can be adjusted by means of an adjusting
screw at the bracket.
Fig. 73: Identifying Adjusted Camera Pivot Position
The following step
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PDC Park Distance Control- System limits
Safety information
Warning
The system is designed to operate in certain
conditions and circumstances. Due to conditions
or other factors, the system may not respond.
There may be a risk of accident or risk
of damage to property. Actively intervene as
warranted. Refer to the information in this Own
Butt Connector For Repairing A Plug Connection
Notes
IMPORTANT:
Identify cause of damage (e.g. sharp-edged body parts, faulty
electrical
loads, jammed mechanisms, corrosion caused by ingress of water, etc.).
Read out fault memory
Eliminate cause of damage.
Disconnect battery negative terminal
Make sure that no safety-related system acco
