BMW 7 Series: System Overview

Schematic Circuit Diagram - Exterior Lighting System, Front

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

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

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

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

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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