BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics
BMW 7 Series: General Vehicle Electronics
- Comfort Access
- Central Locking System
- Automatic Soft Close
- Power Windows
- Sliding Tilting Sunroof
- Anti-Theft System
- Automatic Luggage Compartment Lid Actuating System
- Introduction
- System Overview
- Functions
- Automatic Opening
- Automatic Closing
- System Components
- Service Information
- Exterior Lighting
- Introduction
- System Overview
- Functions
- Light Functions
- Low Beam Headlight
- Hazard Warning Lights
- More Functions
- Visual Alarm/Feedback
- Zero Position Sensor
- Headlight Driver Module
- Turning Lights
- Service Information
- Interior Lighting
- Wiper/Washer System
- Introduction
- System Overview
- Functions
- Wash Functions
- System Components
- Wiper Switch on the Steering Column Stalk
- Wiper Motor
- Service Information
- Exterior Rear View Mirrors
- Seats
- Introduction
- System Overview
- Functions
- Front Seat Memory Function
- Front Seat Heating
- Front Lumbar Support
- Seat Heating In The Rear Basic Seat
- Other Seat Functions
- Seat Heating In The Rear-Compartment Comfort Seat
- Lumbar Support In The Rear-Compartment Comfort Seat
- Massage Function In Rear-Compartment Comfort Seat
- System Components
- Service Information
- Steering Column Switch Cluster
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Introduction
Keyless Vehicle Access
Using Comfort Access, the customer can unlock and open the vehicle without
active use of the ID transmitter.
Access to the vehicle can be gained from any point. It is importan
System Overview
Input/Output - Comfort Access
Fig. 1: Comfort Access Input/Output Diagram
COMPONENTS DESCRIPTION CHART
CAS 4 Car Access System 4
Footwell module (FRM)
Junction box electronics (JB)
Emergency sta
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Replace Electrical Steering Box (EPS)
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if
necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check
the
insulation of the connecting
Notes On Checking Ignition System
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufacturers
Check
Secondary signal for
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