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      12-21-2010, 08:39 PM   #1
woodpecka
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Join Date: May 2010
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e9x electric information file

I have found this document and think it is a good idea to share it on the forum. (sorry if the document as already been shared on the forum)

This document containt a lot of accurate information on our car electric schema, for any DIY.


Table of Contents
Subject Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Primary Control Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Functions of Junction Box Electronics Control Module . . . . . . . . . .10
Functions of Footwell Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Functions of Roof Function Center . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Functions of Car Access System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Car Access System 2 - Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Car Access System 2 - Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .18
Central Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Control Modules for Central Locking Function . . . . . . . . . . . . . . . . . . . .20
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Unlocking/Locking the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Unlocking Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Locking Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Using Identification Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Center-Lock Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Mechanical Key/Spare Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Locking Button on Vehicle Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Opening the Trunk Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Opening with Remote Control/Identification Transmitter . . . . . . . . .24
Opening with the Outer Trunk Lid Button . . . . . . . . . . . . . . . . . . . . . .24
Opening with the Inner Trunk Lid Button . . . . . . . . . . . . . . . . . . . . . . .24
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Automatic Locking (Personal Profile) . . . . . . . . . . . . . . . . . . . . . . . . . .25
Selective Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Unlocking After an Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Location of Control Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Junction Box Electronics Control Module (JBE) . . . . . . . . . . . . . . . .26
Components of Central Locking System . . . . . . . . . . . . . . . . . . . . . . . . .27
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Center-Lock Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Driver's Door Lock Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Central Locking Drive Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Central Locking Drive Units in the Doors . . . . . . . . . . . . . . . . . . .28
Central Locking Drive Units for Truck Lid and Fuel Filler Flap . .29
Manually Release for Fuel Filler Flap . . . . . . . . . . . . . . . . . . . . . . .29
Lock Barrel, Trunk Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Emergency Trunk Lid Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Central Locking - Inputs/Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Central Locking - Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Comfort Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Control Modules for Comfort Access Function . . . . . . . . . . . . . . . . . . . .36
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Junction Box Electronics Control Module (JBE) . . . . . . . . . . . . . . . .36
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Electronic Outer Door Handle Module (TAGE) . . . . . . . . . . . . . . . . . .37
Functions of Comfort Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Passive Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Opening Trunk Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Passive Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Issuing Start Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Passive Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Locking Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Special Comfort Access Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
ID Transmitters Remain in Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . .40
ID Transmitter Remains in Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Engine Start Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Starting Engine without ID Transmitter . . . . . . . . . . . . . . . . . . . . .41
Check Control Message, Terminal 15 . . . . . . . . . . . . . . . . . . . . . .41
Unintentional Wake-up Function . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Locking with Engine Running . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Components of Comfort Access System . . . . . . . . . . . . . . . . . . . . . . . . .42
Comfort Access Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Identification Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Voltage Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Antennas for Comfort Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Locations of Exterior Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Locations of Interior Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Antenna in Outer Door Handles . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Antenna in Bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Antennas for the Passenger Compartment . . . . . . . . . . . . . . . . . .45
Antenna for Luggage Compartment . . . . . . . . . . . . . . . . . . . . . . . .45
Electronic Outer Door Handle Module (TAGE) . . . . . . . . . . . . . . . . . . . .46
Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Functional Principle of the Capacitive Sensor . . . . . . . . . . . . . . . . . .47
Capacitive Sensor 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Capacitive Sensor 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Hall Sensor of the Outer Door Handle . . . . . . . . . . . . . . . . . . . . . . . . .48
Lock in Driver's Door & Front Passenger's Door . . . . . . . . . . . . . . . . . . .49
Comfort Access - Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Comfort Access - Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Control Modules for Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Switching on the Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . .56
Switching-on Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Switching Off Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Switch-off Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Electric Load Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Terminal 58g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Roof Functions Center (FZD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Terminal 58g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Junction Box Electronics Control Module (JBE) . . . . . . . . . . . . . . . .58
Luggage Compartment Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Glove Compartment Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Interior Lighting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Interior Lighting Unit, Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Interior Lighting Unit, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Interior Lighting - Input/Output (Option) . . . . . . . . . . . . . . . . . . . . . . . . . .62
Interior Lighting - Circuit Diagram (Option) . . . . . . . . . . . . . . . . . . . . . . . .64
Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Control Modules for Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Junction Box Electronics Control Module (JBE) . . . . . . . . . . . . . . . .68
Opening & Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Opening and Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Opening and Closing with Toll Function . . . . . . . . . . . . . . . . . . . . . . .68
Switch Cluster, Driver's Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Power window switch, front passenger's door . . . . . . . . . . . . . . . . . .69
Power window switch, rear doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Convenient Opening and Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Convenient Opening with Remote Control . . . . . . . . . . . . . . . . . .70
Convenient Closing with Remote Control . . . . . . . . . . . . . . . . . . .70
Convenient Opening and Closing via the Driver's
Door Lock Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Convenient Closing with Comfort Access . . . . . . . . . . . . . . . . . . .71
Indirect Anti-Trapping Protection . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Panic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Load Shut-down, Terminal 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Thermal Protection of Power Window Motors . . . . . . . . . . . . . . .72
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Driver's Door Switch Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Signal Evaluation of the Power Window Switches . . . . . . . . . . . . . . .73
Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Power Window Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Initialization of Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Initialization via the Power Window Switches . . . . . . . . . . . . . . . .74
Initialization via the BMW Diagnostic Equipment . . . . . . . . . . . . .74
Power Window - Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Power Window - Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Slide/Tilt Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Control Modules for Sunroof Operation . . . . . . . . . . . . . . . . . . . . . . . . . .81
Car Access System 2 (CAS2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Footwell Module (FRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Roof Function Center (FZD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Comfort Access (CA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Slide/Tilt Sunroof Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Remote Control/ID Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Driver's Door Lock Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Outer Door Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Slide/tilt Sunroof Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Anti-trapping Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Blocking Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Panic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Terminal 58g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Button for Slide/Tilt Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Slide/Tilt Sunroof Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Interruption in Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Deleting the Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
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File Type: pdf e90-elec-info-pdf.pdf (3.53 MB, 1631 views)
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      12-22-2010, 02:03 PM   #2
txusa03
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first time i've seen this! Not sure how much of this will be helpful for future maitenance but good to know.
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under construction!
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      12-26-2010, 12:16 PM   #3
m_thompson
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Very interesting. Thanks!
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'09 128i - Black Sapphire Metallic\Coral Red\Glacier Silver\N51 DISA\6MT\Navigation\Premium\M-Sport\Heated seats\Xenon Headlights\iPod\Smartphone\Euro Delivery

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      12-23-2011, 06:58 PM   #4
msaglam
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Cool! Thanks.
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      12-24-2011, 12:09 PM   #5
MrDummy
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Awesome
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A "Happy" Owner of a Metallic Space Gray 2010 BMW 328i
ProGaMeR on the XboX 360
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      12-30-2011, 07:27 PM   #6
E91_schoolbus
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thank you!
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      12-30-2011, 11:40 PM   #7
queensfield
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Very useful and interesting. It made my day, but family is not too happy since I am spending most of my free time reading it.
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      01-01-2012, 03:32 PM   #8
woodpecka
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It's always nice to know how our car works!
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      01-11-2012, 12:19 AM   #9
BoogeyMan'sBMW
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is this for all e90s? 06-09 330i's and 335's and all?
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