BMW G15 Installation guide
Technical�training.
Product�information.
BMW�Service
G15�General�Vehicle�Electronics
General�information
Symbols�used
The�following�symbol�is�used�in�this�document�to�facilitate�better�comprehension�or�to�draw�attention
to�very�important�information:
Contains�important�safety�information�and�information�that�needs�to�be�observed�strictly�in�order�to
guarantee�the�smooth�operation�of�the�system.
Information�status:�June�2018
BMW�Group�vehicles�meet�the�requirements�of�the�highest�safety�and�quality�standards.�Changes
in�requirements�for�environmental�protection,�customer�benefits�and�design�render�necessary
continuous�development�of�systems�and�components.�Consequently,�there�may�be�discrepancies
between�the�contents�of�this�document�and�the�vehicles�available�in�the�training�course.
The�information�contained�in�the�training�course�materials�is�solely�intended�for�participants�in�this
training�course�conducted�by�BMW�Group�Technical�Training�Centers,�or�BMW�Group�Contract
Training�Facilities.
This�training�manual�or�any�attached�publication�is�not�intended�to�be�a�complete�and�all�inclusive
source�for�repair�and�maintenance�data.�It�is�only�part�of�a�training�information�system�designed�to
assure�that�uniform�procedures�and�information�are�presented�to�all�participants.
For�changes/additions�to�the�technical�data,�repair�procedures,�please�refer�to�the�current�information
issued�by�BMW�of�North�America,�LLC,�Technical�Service�Department.
This�information�is�available�by�accessing�TIS�at�www.bmwcenternet.com.
Additional�sources�of�information
Further�information�on�the�individual�topics�can�be�found�in�the�following:
• Owner's�Handbook
• Integrated�Service�Technical�Application
• Aftersales�Information�Research�(AIR)
The�information�contained�in�this�manual�is�not�to�be�resold,�bartered,�copied,�or�transferred
without�the�express�written�consent�of�BMW�of�North�America,�LLC�(“BMW�NA”).
©2018�BMW�of�North�America,�LLC
The�BMW�name�and�logo�are�registered�trademarks.�All�rights�reserved.
G15�General�Vehicle�Electronics
Contents
1. Introduction.............................................................................................................................................................................................................................................1
1.1. Further�information............................................................................................................................................................................................. 1
2. Bus�Systems..........................................................................................................................................................................................................................................2
2.1. Bus�overview................................................................................................................................................................................................................. 2
2.2. Main�bus�systems.................................................................................................................................................................................................4
2.2.1. K-CAN.................................................................................................................................................................................................... 4
2.2.2. PT-CAN................................................................................................................................................................................................ 5
2.2.3. FlexRay..................................................................................................................................................................................................6
2.2.4. Ethernet............................................................................................................................................................................................... 7
2.2.5. D-CAN................................................................................................................................................................................................10
2.3. Local�CAN..................................................................................................................................................................................................................... 10
2.4. LIN�bus...............................................................................................................................................................................................................................11
3. Control�Units.................................................................................................................................................................................................................................... 12
3.1. Installation�location......................................................................................................................................................................................... 12
3.2. Gateway............................................................................................................................................................................................................................ 14
3.2.1. Body�Domain�Controller....................................................................................................................................... 14
3.3. Control�units�on�the�K-CAN2.........................................................................................................................................................16
3.3.1. Roof�function�center................................................................................................................................................... 17
3.3.2. Tailgate�function�module......................................................................................................................................17
3.3.3. Seat�modules......................................................................................................................................................................... 18
3.4. Control�units�on�the�K-CAN3.........................................................................................................................................................18
3.4.1. Parking�Manoeuvring�Assistant................................................................................................................ 18
3.4.2. Rear�radar�sensors�short�range�............................................................................................................... 19
3.5. Control�units�on�the�K-CAN4.........................................................................................................................................................19
3.5.1. Controllers................................................................................................................................................................................... 20
3.5.2. Integrated�automatic�heating�/�air�conditioning................................................................ 20
3.5.3. Telematic�Communication�Box�2............................................................................................................ 21
3.5.4. Head�Unit�High�3..............................................................................................................................................................21
3.5.5. Receiver�Audio�Module.......................................................................................................................................... 22
3.6. Control�units�on�the�K-CAN5.........................................................................................................................................................22
3.6.1. Remote�control�receiver........................................................................................................................................23
3.6.2. Wireless�charging�station....................................................................................................................................23
3.7. Control�units�on�the�K-CAN6.........................................................................................................................................................23
3.7.1. Frontal�Light�Electronics...................................................................................................................................... 24
3.8. Control�units�on�the�Ethernet........................................................................................................................................................24
3.8.1. Front�radar�sensor�long�range..................................................................................................................... 25
3.8.2. Rear�view�camera.............................................................................................................................................................25
3.8.3. Top�rear�side�view�camera.................................................................................................................................26
3.8.4. Camera-based�driver�assistance�systems................................................................................26
G15�General�Vehicle�Electronics
Contents
3.8.5. Driver�Camera�System.............................................................................................................................................27
3.8.6. Booster............................................................................................................................................................................................. 27
3.9. Control�units�on�the�PT-CAN.........................................................................................................................................................28
3.9.1. Digital�Motor�Electronics..................................................................................................................................... 28
3.9.2. Instrument�cluster...........................................................................................................................................................28
3.9.3. Night�Vision�Electronics........................................................................................................................................ 29
3.10. Control�units�on�the�PT-CAN2.................................................................................................................................................... 29
3.10.1. Electronic�transmission�control.................................................................................................................29
3.10.2. Gear�selector�switch................................................................................................................................................... 30
3.10.3. Power�Control�Unit........................................................................................................................................................ 30
3.11. Control�units�on�the�FlexRay.......................................................................................................................................................... 30
3.11.1. Advanced�Crash�Safety�Module...............................................................................................................31
3.11.2. Dynamic�Stability�Control...................................................................................................................................31
3.11.3. Electric�active�roll�stabilization....................................................................................................................32
3.11.4. Electronic�Power�Steering.................................................................................................................................32
3.11.5. Rear�axle�slip�angle�control.............................................................................................................................. 33
3.11.6. Optional�equipment�system............................................................................................................................33
3.11.7. Transfer�box.............................................................................................................................................................................. 34
3.11.8. Vertical�dynamic�platform................................................................................................................................... 34
3.11.9. Regulated�rear�axle�differential�lock�................................................................................................. 35
3.12. Control�units�on�the�local�CAN................................................................................................................................................... 35
3.12.1. Side�radar�sensors�short�range�front................................................................................................ 35
4. Voltage�Supply............................................................................................................................................................................................................................. 36
4.1. Overview.......................................................................................................................................................................................................................... 36
4.1.1. System�wiring�diagram,�vehicle�electrical�system�support............................. 37
4.2. Components.............................................................................................................................................................................................................. 39
4.2.1. Overview�of�luggage�compartment..................................................................................................... 39
4.2.2. Overview�of�engine�compartment......................................................................................................... 40
4.2.3. Battery............................................................................................................................................................................................... 40
4.2.4. Integrated�supply�module...................................................................................................................................42
4.2.5. Power�distribution�box............................................................................................................................................. 42
4.2.6. Power�Control�Unit�with�vehicle�electrical�system�support............................ 44
5. Terminal�Control........................................................................................................................................................................................................................ 46
5.1. Introduction................................................................................................................................................................................................................. 46
5.2. Partial�network�operation...................................................................................................................................................................... 47
5.2.1. Control�units............................................................................................................................................................................ 47
5.2.2. Residing...........................................................................................................................................................................................47
5.2.3. Driving................................................................................................................................................................................................ 48
G15�General�Vehicle�Electronics
Contents
6. Exterior�Lights............................................................................................................................................................................................................................... 49
6.1. Headlights......................................................................................................................................................................................................................49
6.1.1. Variants............................................................................................................................................................................................. 49
6.1.2. System�wiring�diagram............................................................................................................................................50
6.1.3. BMW�laser�light.................................................................................................................................................................. 51
6.2. Lighting,�rear.............................................................................................................................................................................................................52
6.2.1. Rear�light........................................................................................................................................................................................52
6.2.2. System�wiring�diagram............................................................................................................................................53
7. Wash/Wipe�System...............................................................................................................................................................................................................55
7.1. System�wiring�diagram............................................................................................................................................................................. 55
8. Alarm�System..................................................................................................................................................................................................................................57
8.1. System�wiring�diagram............................................................................................................................................................................. 57
9. Electr.�Steering�Column�Adjustment...................................................................................................................................................59
9.1. System�wiring�diagram............................................................................................................................................................................. 59
10. Interior�Lighting.......................................................................................................................................................................................................................... 60
10.1. Basic.......................................................................................................................................................................................................................................60
10.1.1. System�wiring�diagram,�ambient�lighting...................................................................................61
11. Exterior�Rearview�Mirror.............................................................................................................................................................................................63
11.1. System�wiring�diagram............................................................................................................................................................................. 63
12. Locking�and�Security�Functions..................................................................................................................................................................65
12.1. Central�locking�system............................................................................................................................................................................. 65
12.1.1. Function.......................................................................................................................................................................................... 65
12.1.2. System�wiring�diagram............................................................................................................................................66
12.2. Comfort�Access................................................................................................................................................................................................... 68
12.2.1. System�wiring�diagram............................................................................................................................................68
12.3. Tailgate............................................................................................................................................................................................................................... 70
12.3.1. System�wiring�diagram............................................................................................................................................70
12.4. Automatic�Soft�Close�system........................................................................................................................................................72
12.4.1. System�wiring�diagram............................................................................................................................................72
13. Safety�Systems............................................................................................................................................................................................................................74
13.1. System�wiring�diagram............................................................................................................................................................................. 74
13.2. System�overview.................................................................................................................................................................................................76
13.3. Functions........................................................................................................................................................................................................................ 78
13.3.1. Impact�detection�............................................................................................................................................................. 78
G15�General�Vehicle�Electronics
1.�Introduction
1
1.1.�Further�information
This�Product�Information�presents�the�new�features�of�and�changes�to�the�general�vehicle�electrical
system�in�the�G15.�The�focus�is�directed�in�particular�at�the�vehicle-specific�particularities.�Basic
system-specific�descriptions�of�the�general�vehicle�electrical�system�and�further�innovations�for�the
year�2018�can�be�found�in�the�Product�Information�General�Vehicle�Electronics�2018.
G15�General�Vehicle�Electronics
2.�Bus�Systems
2
2.1.�Bus�overview
G15�bus�overview
G15�General�Vehicle�Electronics
2.�Bus�Systems
3
Index Explanation
ACSM Advanced�Crash�Safety�Module
BDC Body�Domain�Controller
BOOSTER Hi-fi�amplifier
CON Controllers
DME Digital�Motor�Electronics
DME2 Digital�Engine�Electronics�2
DSC Dynamic�Stability�Control
DCS Driver�Camera�System
EARSH Electric�active�roll�stabilization�rear
EARSV Electric�active�roll�stabilization�front
EGS Electronic�transmission�control
EPS Electronic�Power�Steering
FBD Remote�control�receiver
FLEL Frontal�Light�Electronics�Left
FLER Frontal�Light�Electronics�Right
FRSF Front�radar�sensor�long�range
FZD Roof�function�center
GWS Gear�selector�switch
GHAS Regulated�rear�axle�differential�lock
HKFM Tailgate�function�module
HRSNL Rear�radar�sensor�short�range�left
HRSNR Rear�radar�sensor�short�range�right
HSR Rear�axle�slip�angle�control
HU-H Head�Unit�High
IHKA Integrated�automatic�heating�/�air�conditioning
KAFAS Camera-based�driver�assistance�systems
KOMBI Instrument�cluster
NFC Near�Field�Communication
NVE Night�Vision�Electronics
PCU Power�Control�Unit
PMA Parking�Manoeuvring�Assistant
RAM Receiver�Audio�Module
RFK Rear�view�camera
SAS Optional�equipment�system
SMBF Front�passenger�seat�module
G15�General�Vehicle�Electronics
2.�Bus�Systems
4
Index Explanation
SMFA Driver's�seat�module
SRSNVL Side�radar�sensor�short�range�front�left
SRSNVR Side�radar�sensor�short�range�front�right
TCB Telematic�Communication�Box
TRSVC Top�rear�side�view�camera
VDP Vertical�Dynamic�Platform
VIP Virtual�Integration�Platform
VTG Transfer�box
WCA Wireless�charging�station
ZGM Central�Gateway�Module
1 Start-up�node�control�units�for�starting�and�synchronizing�the�FlexRay�bus
system
2 Control�units�authorizedto�perform�wake-up�function
3 Control�units�also�connected�to�wake-up�line.
2.2.�Main�bus�systems
2.2.1.�K-CAN
In�the�G15�the�following�K-CAN�are�used:
• K-CAN2
• K-CAN3
• K-CAN4
• K-CAN5
• K-CAN6.
The�control�units�on�the�K-CAN5�are�not�displayed�during�diagnosis�by�the�BMW�diagnosis�system
ISTA.�Diagnosis�is�performed�via�the�Body�Domain�Controller�(BDC).�The�following�control�units�are
affected�here:
• Remote�control�receiver�(FBD)
• Wireless�charging�station�(WCA)
• Near�Field�Communication�(NFC).
All�K-CAN�bus�systems�have�a�data�transfer�rate�of�500kBit/s.
Other manuals for G15
2
Table of contents
Other BMW Automobile manuals
BMW
BMW 745i User manual
BMW
BMW SERIE 6 2005 User manual
BMW
BMW 635CSi 1989 Programming manual
BMW
BMW Z4 2014 User manual
BMW
BMW SERIE 5-E60-2006 User guide
BMW
BMW 325CI User manual
BMW
BMW 520D TOURING BROCHURE 2010 User manual
BMW
BMW 118 CABRIOLET BROCHURE 2010 User manual
BMW
BMW 5 SERIES - CATALOGUE User manual
BMW
BMW 2016 M4 Coupe User manual
BMW
BMW X5 2016 User manual
BMW
BMW X1 - PRODUCT CATALOGUE Instruction manual
BMW
BMW 3-series convertible User manual
BMW
BMW X3 M User manual
BMW
BMW i3 Installation guide
BMW
BMW 2006 X5 User manual
BMW
BMW 3 SERIES CONVERTIBLE - CATALOGUE User manual
BMW
BMW F90 LCI User manual
BMW
BMW M COUPE 2001 User manual
BMW
BMW 2007 X3 User manual
