BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics / Central Locking System
BMW 7 Series: Central Locking System
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Introduction
Unlocking and Locking the Vehicle
The central locking system makes it possible to unlock or lock the vehicle.
It is fitted as standard equipment and
relates to all vehicle doors, the fuel filler flap
System Overview
Input/output Central Locking
Fig. 10: Central Locking Input/Output Diagram
COMPONENTS DESCRIPTION CHART
ID transmitter
Central locking button
Interior trunk button in the A-pillar
Car Access Sys
Functions
Unlocking/locking the Vehicle
The vehicle unlocking/locking procedure is initiated by the following system
components:
ID transmitter
Mechanical key/spare key
Exterior trunk button (only unlocks
SEE MORE:
Removing And Installing/Replacing Airbag Control Unit
IMPORTANT: Read and comply with NOTES on protection against electrostatic
damage (ESD
protection)!
WARNING: NOTE AIRBAG SAFETY INSTRUCTIONS!
Incorrect handling can activate airbag and cause injury.
Necessary preliminary tasks
F01/02: Clamp off BATTERY NEGATIVE LEAD
F03Remove both negative batter
System Overview
The following pages show the input/outputs and the schematic circuit diagrams
of the F01/F02 voice input and
activation systems.
The driver's side microphone is the only device used for voice input.
Voice input is always activated by pressing the PTT button (push-to-talk button)
on the steering
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