BMW 7 Owners & Service Manuals

BMW 7 Series: System Overview

Schematic Circuit Diagram - Exterior Lighting System, Front

Exterior Lighting
Fig. 45: Exterior Lighting System Circuit Diagram (Front)

COMPONENTS DESCRIPTION CHART

  1. Main headlight, left
  2. Front fog light, left
  3. Front fog light, right
  4. Main headlight, right
  5. Direction indicator repeater, right
  6. Power distribution box, front
  7. Power distribution box, luggage compartment
  8. Integrated Chassis Management ICM
  9. Ride-height sensor, rear
  10. Central gateway module ZGM
  11. Direction indicator repeater, left
  12. Ride-height sensor, front
  13. Car Access System (CAS)
  14. Hazard warning lights switch
  15. Control panel, light switch
  16. Footwell module FRM
  17. Steering column switch cluster SZL

K-CAN2 - Body CAN2
FlexRay - FlexRay
LIN-Bus - Local interconnect network bus
KL. 30F - Terminal 30, fault switched

K-CAN2 signals at footwell module

K-CAN SIGNALS CHART

Exterior Lighting

The lights control panel (15) includes:

  • Light switch
  • Fog light button
  • Rear fog light button
  • Thumbwheel, instrument lighting.

The steering column switch cluster (15) includes:

  • Steering column stalk, turn-signal/highbeam switch
  • Button for automatic driving lights control on wiper steering column stalk.

Illumination, Front

Exterior Lighting
Fig. 46: Illumination Circuit Diagram (Front)

COMPONENTS DESCRIPTION CHART

  1. Turning light
  2. Side lights/daytime driving light
  3. High beam shutter, bi-xenon
  4. Bi-xenon lamp for driving light/high-beam headlight
  5. Xenon ballast
  6. Side marker light
  7. Direction indicator lights
  8. Design light
  9. Stepper motor, headlight vertical aim control
  10. Stepper motor for adaptive headlight
  11. Fog lights
  12. Headlight driver module
  13. Footwell module
  14. Direction indicator repeater, left

Schematic Circuit Diagram - Exterior Lighting System, Rear

Exterior Lighting
Fig. 47: Exterior Lighting System Circuit Diagram (Rear)

COMPONENTS DESCRIPTION CHART

  1. Central gateway module (ZGW)
  2. Car Access System (CAS)
  3. Electronic transmission control (EGS)
  4. Rain/driving lights/condensation/solar sensor *
  5. Junction box electronics (JB)
  6. Power distribution box, front
  7. Power distribution box, luggage compartment
  8. Not for US
  9. Outer rear light cluster, right
  10. Inner rear light cluster, right
  11. License plate light
  12. Inner rear light cluster, left
  13. Outer rear light cluster, left
  14. Filter with trap circuit
  15. Additional brake light
  16. Footwell module (FRM)
  17. Control panel, light switch
  18. Steering column switch cluster (SZL)
  19. Hazard warning switch
  20. Brake light switch

PT-CAN - Powertrain CAN
K-CAN2 - Body CAN2
FlexRay - FlexRay
LIN-Bus - Local interconnect network bus
KI. 30F - Terminal 30, fault switched

The rear light clusters (9 and 13) include:

  • Brake light
  • Direction indicator lights
  • Tail lights
  • Side marker light.

The rear light clusters (10 and 12) include:

  • Brake light
  • Reversing light
  • ail lights
  • Adaptive brake light, US version.

Illumination, Rear

Exterior Lighting
Fig. 48: Illumination Circuit Diagram (Rear)

COMPONENTS DESCRIPTION CHART

  1. Footwell module (FRM)
  2. Reversing light
  3. Rear fog light/brake force display
  4. Tail light 2
  5. Tail light 1 including side marker light
  6. Brake light 2
  7. Brake light 1
  8. Direction indicator lights

K-CAN2 - Body CAN2

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     Functions

    Overview The functions of the exterior lighting are integrated in the footwell module. These lighting functions are: Side lights Low beam headlight High-beam headlight Headlight flasher Fo

     Light Functions

    Side Light, Low Beam and High Beam The exterior lighting system is switched on via the light switch. The following table shows the terminal setting for switching on the exterior lighting. LIGHT FUNCT

     Low Beam Headlight

    To switch on the low beam headlights, the light switch in the lights control panel must be turned to low beam headlight (switch position 2) When the low beam headlights are switched-on the bi-xenon

    SEE MORE:

     Stationary climate control through Remote Engine Start

    Concept Stationary climate control cools or heats the car's interior prior to departure to a comfortable temperature. The system automatically cools, vents, and heats depending on the interior, external, and set temperature. Snow and ice may be removed more easily. The system starts the engine aut

     Headlight Driver Module

    The headlight driver module controls and monitors the stepper motors for the adaptive headlights and the headlight beam throw adjustment system of the respective bi-xenon headlight. The integrated chassis management makes available the values for the dynamic headlight beam throw adjustment system

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