BMW G15 Technical Training Manual
  1. Manuals
  2. Brands
  3. BMW Manuals
  4. Automobile
  5. G15
  6. Technical training manual

BMW G15 Technical Training Manual

General vehicle electronics
Hide thumbs Also See for G15:
Table of Contents

Advertisement

Quick Links

Technical￿training.
Product￿information.
G15￿General￿Vehicle￿Electronics
BMW￿Service

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the G15 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for BMW G15

Summary of Contents for BMW G15

  • Page 1 Technical￿training. Product￿information. G15￿General￿Vehicle￿Electronics BMW￿Service...
  • Page 2 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.

  • Page 3: Table Of Contents

    G15￿General￿Vehicle￿Electronics Contents Introduction ................................................1.1. Further￿information ......................................Bus￿ Systems ................................................2.1. Bus￿overview ..........................................2.2. Main￿bus￿systems ......................................... 2.2.1. K-CAN ........................................2.2.2. PT-CAN ........................................ 2.2.3. FlexRay ........................................2.2.4. Ethernet ....................................... 2.2.5. D-CAN ........................................ 2.3. Local￿CAN ............................................. 2.4. LIN￿ bus ............................................... Control￿Units ..............................................
  • Page 4 G15￿General￿Vehicle￿Electronics Contents 3.8.5. Driver￿Camera￿System ............................. 3.8.6. Booster ......................................3.9. Control￿units￿on￿the￿PT-CAN ................................. 3.9.1. Digital￿Motor￿Electronics ............................. 3.9.2. Instrument￿cluster ................................3.9.3. Night￿Vision￿Electronics ............................3.10. Control￿units￿on￿the￿PT-CAN2 ..............................3.10.1. Electronic￿transmission￿control ......................... 3.10.2. Gear￿selector￿switch ..............................3.10.3. Power￿Control￿Unit ................................ 3.11. Control￿units￿on￿the￿FlexRay ................................3.11.1. Advanced￿Crash￿Safety￿Module ....................... 3.11.2. Dynamic￿Stability￿Control ...........................
  • Page 5 G15￿General￿Vehicle￿Electronics Contents Exterior￿Lights ............................................... 6.1. Headlights ............................................6.1.1. Variants ......................................6.1.2. System￿wiring￿diagram ............................6.1.3. BMW￿laser￿light .................................. 6.2. Lighting,￿rear ..........................................6.2.1. Rear￿light ......................................6.2.2. System￿wiring￿diagram ............................Wash/Wipe￿System ..........................................7.1. System￿wiring￿diagram ..................................... Alarm￿System ..............................................8.1. System￿wiring￿diagram ..................................... Electr.￿Steering￿Column￿Adjustment ..............................9.1. System￿wiring￿diagram .....................................

  • Page 7: Introduction

    G15￿General￿Vehicle￿Electronics 1.￿Introduction 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.
  • Page 8 G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems 2.1.￿Bus￿overview G15￿bus￿overview...
  • Page 9 G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems Index Explanation ACSM Advanced￿Crash￿Safety￿Module Body￿Domain￿Controller BOOSTER Hi-fi￿amplifier Controllers Digital￿Motor￿Electronics DME2 Digital￿Engine￿Electronics￿2 Dynamic￿Stability￿Control Driver￿Camera￿System EARSH Electric￿active￿roll￿stabilization￿rear EARSV Electric￿active￿roll￿stabilization￿front Electronic￿transmission￿control Electronic￿Power￿Steering Remote￿control￿receiver FLEL Frontal￿Light￿Electronics￿Left FLER Frontal￿Light￿Electronics￿Right FRSF Front￿radar￿sensor￿long￿range Roof￿function￿center 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 Rear￿axle￿slip￿angle￿control HU-H Head￿Unit￿High...

  • Page 10: K-Can

    G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems Index Explanation SMFA Driver's￿seat￿module SRSNVL Side￿radar￿sensor￿short￿range￿front￿left SRSNVR Side￿radar￿sensor￿short￿range￿front￿right Telematic￿Communication￿Box TRSVC Top￿rear￿side￿view￿camera Vertical￿Dynamic￿Platform Virtual￿Integration￿Platform Transfer￿box Wireless￿charging￿station Central￿Gateway￿Module Start-up￿node￿control￿units￿for￿starting￿and￿synchronizing￿the￿FlexRay￿bus system Control￿units￿authorizedto￿perform￿wake-up￿function 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) •...

  • Page 11: Can

    G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems 2.2.2.￿PT-CAN In￿the￿G15￿the￿following￿PT-CAN￿are￿used: • PT-CAN • PT-CAN2. The￿gateway￿for￿the￿PT-CAN2￿is￿located￿in￿the￿DME. Both￿PT-CAN￿bus￿systems￿have￿a￿data￿transfer￿rate￿of￿500 kBit/s.

  • Page 12: Flexray

    G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems 2.2.3.￿FlexRay G15￿FlexRay...

  • Page 13: Ethernet

    G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems Index Explanation Dynamic￿Stability￿Control￿(DSC) Digital￿Diesel￿Electronics￿(DDE)￿(Not￿for￿US) Digital￿Engine￿Electronics￿2￿(DME2) Transfer￿box￿(VTG) Electronic￿Power￿Steering￿(EPS) Electric￿active￿roll￿stabilization￿front￿(EARSV) Digital￿Motor￿Electronics￿(DME) Body￿Domain￿Controller￿(BDC) Vertical￿Dynamic￿Platform￿(VDP) Regulated￿rear￿axle￿differential￿lock￿(GHAS) Electric￿active￿roll￿stabilization￿rear￿(EARSH) Rear￿axle￿slip￿angle￿control￿(HSR) Advanced￿Crash￿Safety￿Module￿(ACSM) Optional￿equipment￿system￿(SAS) FlexRay￿has￿a￿data￿transfer￿rate￿of￿10 MBit/s. 2.2.4.￿Ethernet 2￿Ethernet￿variants￿are￿used￿in￿the￿G15.￿The￿Ethernet￿variant￿with￿5￿lines￿(4￿data￿lines￿and￿1￿activation line)￿is￿still￿used￿on￿the￿G15￿by￿the￿OBD2￿interface￿to￿the￿BDC. OABR￿Ethernet￿(2￿data￿lines)￿is￿also￿used￿in￿the￿G15. OABR￿Ethernet￿application The￿following￿control￿units￿are￿connected￿to￿the￿vehicle￿electrical￿system￿via￿OABR￿Ethernet: • Driver￿Camera￿System￿(DCS) • Top￿Rear￿Side￿View￿Camera￿(TRSVC) • Rear￿view￿camera￿(RFK) • Camera-based￿driver￿support￿systems￿(KAFAS) • Front￿radar￿sensor￿long￿range￿(FRSF). The￿following￿control￿units￿are,￿aside￿from￿a￿further￿bus￿system,￿connected￿to￿the￿vehicle￿electrical system￿via￿OABR￿Ethernet: • Head￿Unit￿High￿(HU-H) •...
  • Page 14 G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems Wake-up￿line Certain￿control￿units￿require￿a￿separate￿wake-up￿line￿for￿wake-up.￿The￿following￿control￿units￿on￿the Ethernet￿have￿a￿wake-up￿line: • Driver￿Camera￿System￿(DCS) • Booster • Rear￿view￿camera￿(RFK) • Top￿Rear￿Side￿View￿Camera￿(TRSVC).
  • Page 15 G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems System￿wiring￿diagram G15￿Ethernet...

  • Page 16: D-Can

    G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems Index Explanation Front￿radar￿sensor￿long￿range￿(FRSF) Top￿view￿camera￿(only￿in￿conjunction￿with￿TRSVC) Camera-based￿driver￿support￿systems￿(KAFAS) Body￿Domain￿Controller￿(BDC) Side￿view￿camera￿right￿(only￿in￿conjunction￿with￿TRSVC) Rear￿view￿camera￿(RFK) Rear￿view￿camera￿(only￿in￿conjunction￿with￿TRSVC) Audio￿amplifier￿(Booster) Receiver￿Audio￿Module￿(RAM) Telematic￿Communication￿Box￿(TCB) Side￿view￿camera￿left￿(only￿in￿conjunction￿with￿TRSVC) Head￿Unit￿High￿3￿(HU-H3) Instrument￿cluster￿(KOMBI) Driver￿Camera￿System￿(DCS) Top￿Rear￿Side￿View￿Camera￿(TRSVC) Optional￿equipment￿system￿(SAS) 2.2.5.￿D-CAN The￿D-CAN￿is￿installed￿between￿the￿BDC￿and￿the￿diagnostic￿socket. The￿D-CAN￿has￿a￿data￿transfer￿rate￿of￿500￿kBit/s. 2.3.￿Local￿CAN Depending￿on￿the￿equipment￿specification,￿the￿following￿local￿CAN￿bus￿system￿are￿provided￿in￿the G15: • Between￿optional￿equipment￿system￿(SAS),￿Parking￿Manoeuvring￿Assistant￿(PMA)￿and￿Top Rear￿Side￿View￿Camera￿(TRSVC). • Between￿optional￿equipment￿system￿(SAS),￿rear￿radar￿sensor￿short￿range￿right￿(HRSNR),￿side radar￿sensor￿short￿range￿front￿left￿(SRSNVL)￿and￿side￿radar￿sensor￿short￿range￿front￿right (SRSNVR). • Between￿rear￿radar￿sensor￿short￿range￿right￿(HRSNR),￿rear￿radar￿sensor￿short￿range￿left (HRSNL),￿side￿radar￿sensor￿short￿range￿front￿left￿(SRSNVL)￿and￿side￿radar￿sensor￿short￿range front￿right￿(SRSNVR). • Between￿Digital￿Motor￿Electronics￿1￿(DME1)￿and￿Digital￿Motor￿Electronics￿2￿(DME2). •...
  • Page 17 G15￿General￿Vehicle￿Electronics 2.￿Bus￿Systems The￿local￿CAN￿bus￿systems￿are￿not￿all￿shown￿in￿the￿overview￿during￿a￿diagnosis. 2.4.￿LIN￿bus A￿multitude￿of￿LIN￿buses￿are￿used￿in￿the￿G15.￿2￿particular￿LIN￿buses￿are￿the￿LIN￿bus￿for￿the￿integrated automatic￿heating/air￿conditioning￿system￿and￿the￿LIN￿bus￿for￿the￿ambient￿lighting.￿Both￿LIN￿buses are￿arranged￿in￿series.￿If￿the￿LIN￿bus￿is￿interrupted￿at￿a￿particular￿point,￿no￿communication￿with subsequent￿components￿is￿possible￿from￿this￿point. A￿simplified￿system￿wiring￿diagram￿is￿shown￿below￿for￿the￿ambient￿lighting. G15￿LIN￿bus,￿ambient￿lighting Index Explanation Body￿Domain￿Controller￿(BDC) LED￿modules,￿front￿passenger￿door LED￿module,￿footwell￿light,￿front￿passenger LED￿modules,￿center￿stack,￿left LED￿modules,￿center￿stack,￿right LED￿modules,￿driver's￿door LED￿module,￿footwell￿light,￿driver...
  • Page 18 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.1.￿Installation￿location G15￿installation￿location￿of￿control￿units Index Explanation Rear￿view￿camera￿(RFK) Remote￿control￿receiver￿(FBD) Rear￿radar￿sensor￿short￿range￿left￿(HRSNL) Receiver￿Audio￿Module￿(RAM) Telematic￿Communication￿Box￿2￿(TCB2) Booster Roof￿function￿center￿(FZD) Camera-based￿driver￿support￿systems￿(KAFAS) Driver￿Camera￿System￿(DCS) Instrument￿cluster￿(KOMBI) Optional￿equipment￿system￿(SAS) Night￿Vision￿Electronics￿(NVE) Top￿Rear￿Side￿View￿Camera￿(TRSVC)
  • Page 19 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units Index Explanation Dynamic￿Stability￿Control￿(DSC) Digital￿Motor￿Electronics￿(DME) Frontal￿Light￿Electronics￿Left￿(FLEL) Side￿radar￿sensor￿short￿range￿front￿left￿(SRSNVL) Front￿radar￿sensor￿long￿range￿(FRSF) Frontal￿Light￿Electronics￿Right￿(FLER) Side￿radar￿sensor￿short￿range￿front￿right￿(SRSNVR) Electric￿active￿roll￿stabilization￿front￿(EARSV) Electronic￿Power￿Steering￿(EPS) Digital￿Engine￿Electronics￿2￿(DME2) Electronic￿transmission￿control￿(EGS) Integrated￿automatic￿heating￿/￿air￿conditioning￿(IHKA) Body￿Domain￿Controller￿(BDC) Wireless￿charging￿station￿(WCA) Transfer￿box￿(VTG) Controller￿(CON) Front￿passenger￿seat￿module￿(SMBF) Head￿Unit￿High￿3￿(HU-H3) Driver's￿seat￿module (SMFA) Gear￿selector￿switch￿(GWS) Advanced￿Crash￿Safety￿Module￿(ACSM) Rear￿axle￿slip￿angle￿control￿(HSR) Electric￿active￿roll￿stabilization￿rear￿(EARSH) Vertical￿Dynamic￿Platform￿(VDP) Tailgate￿function￿module￿(HKFM) Power￿Control￿Unit￿(PCU) Parking￿Manoeuvring￿Assistant￿(PMA) Rear￿radar￿sensor￿short￿range￿right￿(HRSNR) Regulated￿rear￿axle￿differential￿lock￿(GHAS)

  • Page 20: Gateway

    G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.2.￿Gateway 3.2.1.￿Body￿Domain￿Controller Body￿Domain￿Controller Functions The￿Body￿Domain￿Controller￿is￿responsible￿for￿the￿following￿functions: • Gateway • Electronic￿immobilizer • Terminal￿control • Central￿locking￿system • Power￿windows • Horn • Interior￿light • Exterior￿lights • Wash/wipe￿system • Vehicle￿data￿storage • Data￿transfer,￿Conditioned￿Based￿Service. Fuses The￿following￿components￿are￿protected￿by￿fuses￿in￿the￿Body￿Domain￿Controller: • Horn • Head￿Unit￿High • Light￿operating￿unit • Intelligent￿Safety￿button...
  • Page 21 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units • Audio￿operating￿unit • Steering￿column￿switch￿cluster • Diagnostic￿socket • Vertical￿Dynamic￿Platform￿(electronics) • Integrated￿automatic￿heating￿/￿air￿conditioning • Rain‐light‐solar-condensation￿sensor • Tailgate￿function￿module • Telematic￿Communication￿Box • Outside￿door￿handle￿electronics • Control￿unit,￿contactless￿tailgate￿activation • Power￿Control￿Unit • Central￿locking￿system. Relays The￿following￿relays￿are￿located￿in￿the￿Body￿Domain￿Controller: • Terminal￿30F • Horn • Central￿locking￿system • Headlight￿cleaning￿system. Gateway The￿central￿gateway￿module￿(ZGM)￿is￿integrated￿in￿the￿new￿Body￿Domain￿Controller￿(BDC).￿It￿is viewed￿as￿a￿control￿unit￿within￿a￿control￿unit,￿in￿that￿the￿ZGM￿in￿the￿BDC￿behaves￿like￿an￿autarkic control￿unit.￿The￿purpose￿of￿the￿ZGM￿is￿to￿connect￿all￿the￿bus￿systems￿to￿each￿other.￿By￿connecting them￿in￿this￿way,￿it￿is￿possible￿to￿use￿information￿from￿the￿individual￿bus￿systems￿on￿a￿generalized...
  • Page 22 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units • Steering￿column￿switch￿cluster￿(SZL) • Seat￿heating • Operating￿facility,￿center￿console • Wiper • Steering￿column￿adjustment • Interior￿mirror • Roof￿function￿center￿(FZD)￿(interior￿lighting) • Rain-light-solar-condensation￿sensor￿(RLSBS) • Rear￿right￿power￿distribution￿box. The￿following￿control￿units￿are￿connected￿via￿a￿LIN￿bus￿to￿the￿BDC,￿but￿the￿BDC￿has￿only￿one￿wake-up function: • Auxiliary￿battery￿charging￿unit • Intelligent￿battery￿sensor • Electric￿fan • Active￿air￿flap￿control • Digital￿Motor￿Electronics. 3.3.￿Control￿units￿on￿the￿K-CAN2 The￿following￿control￿units￿are￿connected￿to￿the￿K-CAN2: • Roof￿function￿center￿(FZD) • Driver's￿seat￿module (SMFA) • Front￿passenger￿seat￿module￿(SMBF) •...
  • Page 23 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.3.1.￿Roof￿function￿center Roof￿function￿center Depending￿on￿the￿equipment￿specification,￿the￿roof￿function￿center￿(FZD)￿contains￿the￿following functions: • Alarm￿system • Gesture￿recognition￿camera • Emergency￿call￿button • Interior￿lighting. 3.3.2.￿Tailgate￿function￿module Tailgate￿function￿module...
  • Page 24 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.3.3.￿Seat￿modules Seat￿modules Sports￿seats￿with￿electrical￿adjustment￿and￿memory￿function￿are￿installed￿as￿standard￿equipment. 3.4.￿Control￿units￿on￿the￿K-CAN3 The￿following￿control￿units￿are￿connected￿to￿the￿K-CAN3: • Parking￿Manoeuvring￿Assistant￿(PMA) • Rear￿radar￿sensor￿short￿range￿right￿(HRSNR). Further￿information￿on￿the￿two￿control￿units￿can￿be￿found￿in￿the￿Product￿Information￿Driver Assistance￿Systems￿2018. 3.4.1.￿Parking￿Manoeuvring￿Assistant Parking￿Manoeuvring￿Assistant...
  • Page 25 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.4.2.￿Rear￿radar￿sensors￿short￿range Rear￿radar￿sensors￿short￿range The￿rear￿radar￿sensors￿short￿range￿are￿a￿further￿development￿of￿the￿lane￿change￿warning￿(SWW)￿radar sensors.￿Both￿rear￿radar￿sensors￿have￿diagnostic￿capability. The￿rear￿radar￿sensor￿short￿range￿left￿is￿connected￿via￿a￿local￿CAN￿to￿the￿rear￿radar￿sensor￿short￿range right. 3.5.￿Control￿units￿on￿the￿K-CAN4 The￿following￿control￿units￿are￿connected￿to￿the￿K-CAN4: • Controller￿(CON) • Integrated￿automatic￿heating￿/￿air￿conditioning￿(IHKA) • Telematic￿Communication￿Box￿2￿(TCB2) • Head￿Unit￿High￿3￿(HU-H3) • Receiver￿Audio￿Module￿(RAM). Further￿information￿on￿the￿following￿control￿units￿can￿be￿found￿at: Control￿unit Product￿information Controller￿(CON) Displays￿and￿Controls￿2018 Head￿Unit￿High￿3￿(HU-H3) Infotainment￿2018 Receiver￿Audio￿Module￿(RAM)

  • Page 26: Controllers

    G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.5.1.￿Controllers Controllers 3.5.2.￿Integrated￿automatic￿heating￿/￿air￿conditioning Integrated￿automatic￿heating￿/￿air￿conditioning...
  • Page 27 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.5.3.￿Telematic￿Communication￿Box￿2 Telematic￿Communication￿Box The￿Telematic￿Communication￿Box￿2￿(TCB2)￿is￿installed￿in￿the￿luggage￿compartment. 3.5.4.￿Head￿Unit￿High￿3 Head￿Unit￿High The￿Head￿Unit￿High￿3￿(HU-H3)￿is￿installed￿in￿the￿G15.￿The￿HU-H3￿does￿not￿have￿an￿integrated￿CD￿or DVD￿drive.￿The￿tuners￿for￿the￿radio￿are￿integrated￿in￿the￿Receiver￿Audio￿Module￿(RAM).
  • Page 28 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.5.5.￿Receiver￿Audio￿Module Receiver￿Audio￿Module The￿Receiver￿Audio￿Module￿(RAM)￿contains￿the￿following￿functions: • Antenna￿tuner • Antenna￿amplifier • Audio￿amplifier. 3.6.￿Control￿units￿on￿the￿K-CAN5 The￿following￿control￿units￿are￿connected￿to￿the￿K-CAN5: • Remote￿control￿receiver￿(FBD) • Wireless￿charging￿station￿(WCA). Further￿information￿on￿the￿wireless￿charging￿station￿(WCA)￿can￿be￿found￿in￿the￿Product￿Information General￿Vehicle￿Electronics￿2018.
  • Page 29 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.6.1.￿Remote￿control￿receiver Remote￿control￿receiver 3.6.2.￿Wireless￿charging￿station Wireless￿charging￿station The￿wireless￿charging￿station￿(WCA)￿contains￿an￿NFC￿antenna￿and￿electronics￿for￿simple￿mobile phone￿connection￿and￿for￿communication￿with￿the￿BMW￿Digital￿Key. 3.7.￿Control￿units￿on￿the￿K-CAN6 The￿following￿control￿units￿are￿connected￿to￿the￿K-CAN6: • Frontal￿Light￿Electronics￿Left￿(FLEL) • Frontal￿Light￿Electronics￿Right￿(FLER)
  • Page 30 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.7.1.￿Frontal￿Light￿Electronics Frontal￿Light￿Electronics￿left/right 3.8.￿Control￿units￿on￿the￿Ethernet The￿following￿control￿units￿are￿connected￿to￿the￿Ethernet: • Front￿radar￿sensor￿long￿range￿(FRSF) • Rear￿view￿camera￿(RFK) • Top￿Rear￿Side￿View￿Camera￿(TRSVC) • Camera-based￿driver￿support￿systems￿(KAFAS) • Driver￿Camera￿System￿(DCS) • Booster. Further￿information￿on￿the￿following￿control￿units￿can￿be￿found￿at: Control￿unit Product￿information Front￿radar￿sensor￿long￿range￿(FRSF) Driver￿Assistance￿Systems￿2018 Camera-based￿driver￿support￿systems￿(KAFAS) Driver￿Camera￿System￿(DCS) Booster Infotainment￿2018...
  • Page 31 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.8.1.￿Front￿radar￿sensor￿long￿range Front￿radar￿sensor￿long￿range The￿front￿radar￿sensor￿long￿range￿(FRSF)￿is￿a￿further￿development￿of￿the￿ACC￿radar￿sensor. 3.8.2.￿Rear￿view￿camera Rear￿view￿camera...
  • Page 32 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.8.3.￿Top￿rear￿side￿view￿camera Top￿rear￿side￿view￿camera 3.8.4.￿Camera-based￿driver￿assistance￿systems Camera-based￿driver￿assistance￿systems The￿KAFAS￿camera￿is￿installed￿in￿2￿variants,￿depending￿on￿the￿equipment￿specification: • Camera￿with￿1￿lens • Camera￿with￿3￿lenses.

  • Page 33: Booster

    G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.8.5.￿Driver￿Camera￿System Driver￿Camera￿System The￿Driver￿Camera￿System￿(DCS)￿contains￿a￿camera￿on￿the￿instrument￿cluster￿to￿observe￿the￿opening of￿the￿driver's￿eyes. 3.8.6.￿Booster Booster The￿Booster￿is￿the￿successor￿to￿the￿previous￿AMP-T￿audio￿amplifier.
  • Page 34 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.9.￿Control￿units￿on￿the￿PT-CAN The￿following￿control￿units￿are￿connected￿to￿the￿PT-CAN: • Digital￿Motor￿Electronics￿(DME) • Instrument￿cluster￿(KOMBI) • Night￿Vision￿Electronics￿(NVE). Further￿information￿on￿the￿instrument￿cluster￿can￿be￿found￿in￿the￿Product￿Information￿Displays￿and Controls￿2018. 3.9.1.￿Digital￿Motor￿Electronics Digital￿Motor￿Electronics 2￿control￿units￿(DME1￿and￿DME2)￿are￿installed￿in￿the￿M850i￿xDrive. 3.9.2.￿Instrument￿cluster Instrument￿cluster...
  • Page 35 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.9.3.￿Night￿Vision￿Electronics Night￿Vision￿Electronics 3.10.￿Control￿units￿on￿the￿PT-CAN2 The￿following￿control￿units￿are￿connected￿to￿the￿PT-CAN2: • Electronic￿transmission￿control￿EGS • Gear￿selector￿switch￿GWS • Power￿Control￿Unit￿PCU 3.10.1.￿Electronic￿transmission￿control Electronic￿transmission￿control...
  • Page 36 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.10.2.￿Gear￿selector￿switch Gear￿selector￿switch 3.10.3.￿Power￿Control￿Unit Power￿Control￿Unit 3.11.￿Control￿units￿on￿the￿FlexRay The￿following￿control￿units￿are￿connected￿to￿the￿FlexRay: • Advanced￿Crash￿Safety￿Module￿(ACSM) • Dynamic￿Stability￿Control￿(DSC) • Electric￿active￿roll￿stabilization￿front￿(EARSV) • Electric￿active￿roll￿stabilization￿rear￿(EARSH) • Electronic￿Power￿Steering￿(EPS) • Rear￿axle￿slip￿angle￿control￿HSR...
  • Page 37 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units • Optional￿equipment￿system￿(SAS) • Transfer￿box￿(VTG) • Vertical￿Dynamic￿Platform￿(VDP) • Regulated￿rear￿axle￿differential￿lock. Further￿information￿on￿Dynamic￿Stability￿Control￿(DSC)￿can￿be￿found￿in￿the￿Product￿Information G15￿Drivetrain. 3.11.1.￿Advanced￿Crash￿Safety￿Module Advanced￿Crash￿Safety￿Module 3.11.2.￿Dynamic￿Stability￿Control Dynamic￿Stability￿Control DSC￿consists￿of￿2￿integrated￿control￿units,￿Dynamic￿Stability￿Control and￿the￿Virtual￿Integration￿Platform.
  • Page 38 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.11.3.￿Electric￿active￿roll￿stabilization Electric￿active￿roll￿stabilization 3.11.4.￿Electronic￿Power￿Steering Electronic￿Power￿Steering...
  • Page 39 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.11.5.￿Rear￿axle￿slip￿angle￿control Rear￿axle￿slip￿angle￿control 3.11.6.￿Optional￿equipment￿system Optional￿equipment￿system...
  • Page 40 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.11.7.￿Transfer￿box Transfer￿box 3.11.8.￿Vertical￿dynamic￿platform Vertical￿dynamic￿platform...
  • Page 41 G15￿General￿Vehicle￿Electronics 3.￿Control￿Units 3.11.9.￿Regulated￿rear￿axle￿differential￿lock Regulated￿rear￿axle￿differential￿lock 3.12.￿Control￿units￿on￿the￿local￿CAN 3.12.1.￿Side￿radar￿sensors￿short￿range￿front Side￿radar￿sensors￿short￿range￿front The￿two￿side￿radar￿sensors￿are￿a￿further￿development￿of￿the￿radar￿sensors￿left￿and￿right. Both￿radar￿sensors￿are￿displayed￿in￿the￿diagnosis.

  • Page 42: Overview

    G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply 4.1.￿Overview A￿vehicle￿electrical￿system￿support￿with￿an￿auxiliary￿battery￿and￿a￿Power￿Control￿Unit￿is￿installed. Further￿information￿on￿the￿dual￿storage￿system￿can￿be￿found￿in￿the￿Product￿Information￿General Vehicle￿Electronics￿2018.
  • Page 43 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply 4.1.1.￿System￿wiring￿diagram,￿vehicle￿electrical￿system￿support Voltage￿supply...
  • Page 44 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply Index Explanation Digital￿Motor￿Electronics￿(DME) Power￿supply￿module Alternator Starter￿motor Power￿distribution￿box,￿engine￿compartment Positive￿battery￿connection￿point Auxiliary￿battery Power￿distribution￿box,￿auxiliary￿battery,￿engine￿compartment Power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) Advanced￿Crash￿Safety￿Module￿(ACSM) Power￿distribution￿box,￿luggage￿compartment Intelligent￿Battery￿Sensor￿(IBS) Battery Battery￿power￿distribution￿box Safety￿battery￿terminal￿(SBK) Power￿distribution￿box,￿battery,￿right Power￿Control￿Unit￿(PCU) Power￿distribution￿box,￿front￿left...

  • Page 45: Components

    G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply 4.2.￿Components 4.2.1.￿Overview￿of￿luggage￿compartment G15￿overview￿of￿luggage￿compartment Index Explanation Power￿distribution￿box,￿battery,￿right Power￿distribution￿box,￿luggage￿compartment Power￿Control￿Unit￿PCU￿500 W Power￿distribution￿box￿with￿safety￿battery￿terminal Battery...

  • Page 46: Battery

    G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply 4.2.2.￿Overview￿of￿engine￿compartment The￿following￿graphic￿shows￿the￿vehicle￿electrical￿system￿support. G15￿overview￿of￿engine￿compartment Index Explanation Vehicle￿electrical￿system￿support￿with￿AGM￿auxiliary￿battery Power￿distribution￿box,￿engine￿compartment Auxiliary￿battery,￿vehicle￿electrical￿system￿support Jump￿start￿terminal￿point 4.2.3.￿Battery AGM￿batteries￿are￿to￿supply￿the￿G15￿with￿electric￿power.￿The￿vehicle￿battery￿is￿installed￿in￿the￿luggage compartment.￿Depending￿on￿the￿equipment￿specification,￿an￿auxiliary￿battery￿is￿installed￿in￿the￿engine compartment. Depending￿on￿the￿equipment￿specification,￿either￿a￿90 Ah￿or￿a￿105 Ah￿vehicle￿battery￿can￿be￿installed. The￿auxiliary￿battery￿in￿the￿engine￿compartment￿is￿installed￿with￿vehicle￿electrical￿system￿support. This￿is￿a￿60 Ah￿AGM￿battery.
  • Page 47 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply Safety￿battery￿terminal G15￿safety￿battery￿terminal Index Explanation B+￿cable￿to￿the￿starter￿motor￿and￿alternator B+￿cable￿to￿the￿jump￿start￿terminal￿point Positive￿wire￿in￿the￿power￿distribution￿box Busbar Safety￿battery￿terminal￿(SBK) Connector,￿safety￿battery￿terminal Busbar...
  • Page 48 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply 4.2.4.￿Integrated￿supply￿module G15￿integrated￿supply￿module The￿engine￿control￿and￿its￿components￿are￿supplied￿with￿voltage￿via￿the￿integrated￿supply￿module. 4.2.5.￿Power￿distribution￿box Front￿right G15￿power￿distribution￿box,￿front￿right...
  • Page 49 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply A￿relay￿for￿terminal￿30B￿is￿installed￿in￿the￿front￿right￿power￿distribution￿box. The￿connected￿consumers￿are￿supplied￿with￿terminal￿30,￿terminal￿30B￿and￿terminal￿15N. Terminal￿15N￿is￿controlled￿by￿the￿luggage￿compartment￿power￿distribution￿box. Front￿left G15￿power￿distribution￿box,￿front￿left A￿relay￿for￿terminal￿30B￿is￿installed￿in￿the￿front￿left￿power￿distribution￿box. The￿connected￿consumers￿are￿supplied￿with￿terminal￿30￿and￿terminal￿30B.
  • Page 50 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply Luggage￿compartment G15￿power￿distribution￿box,￿luggage￿compartment The￿following￿relays￿are￿installed￿in￿the￿luggage￿compartment￿power￿distribution￿box: • 1￿relay,￿terminal￿15N • 2￿relays,￿terminal￿30B • 2￿relays,￿terminal￿30F • 1￿relay,￿rear￿window￿heating. All￿the￿relays￿are￿bi-stable.￿The￿relays￿are￿activated￿by￿the￿Body￿Domain￿Controller￿via￿a￿LIN￿bus.￿The luggage￿compartment￿power￿distribution￿box￿controls￿the￿terminal￿30B￿relays￿of￿the￿two￿front￿power distribution￿boxes. Body￿Domain￿Controller A￿terminal￿30F￿relay￿is￿installed￿in￿the￿Body￿Domain￿Controller￿(BDC). A￿number￿of￿consumers￿are￿supplied￿via￿the￿BDC￿with￿terminal￿30￿and￿terminal￿30F. 4.2.6.￿Power￿Control￿Unit￿with￿vehicle￿electrical￿system￿support Present-day￿vehicles￿have￿a￿high￿energy￿consumption￿due￿to￿the￿many￿electrical￿consumers.￿As￿a result,￿there￿is￿a￿high￿demand￿on￿the￿vehicle￿battery￿particularly￿in￿phases￿in￿which￿the￿combustion engine￿is￿not￿running￿and￿the￿alternator￿is￿not￿supplying￿any￿power￿(e.g.￿engine￿start-stop￿phases). In￿order￿to￿protect￿the￿vehicle￿battery,￿the￿G15￿is￿fitted￿with￿DC/DC￿converter￿in￿the￿Power￿Control￿Unit (PCU)￿and￿an￿auxiliary￿battery.
  • Page 51 G15￿General￿Vehicle￿Electronics 4.￿Voltage￿Supply The￿preconditions￿for￿the￿direction￿of￿the￿energy￿management￿are￿calculated￿from￿the￿use￿of￿the vehicle.￿When￿the￿engine￿is￿running￿the￿auxiliary￿battery￿is￿charged￿from￿the￿conventional￿vehicle electrical￿system.￿During￿the￿phases￿in￿which￿the￿combustion￿engine￿is￿not￿running,￿the￿energy￿is supplied￿from￿the￿auxiliary￿battery￿to￿the￿conventional￿vehicle￿electrical￿system. A￿control￿unit￿which￿is￿connected￿to￿the￿PT-CAN2￿is￿integrated￿in￿the￿PCU.￿A￿DC/DC￿converter￿with￿an output￿of￿500 W￿is￿also￿integrated.

  • Page 52: Introduction

    G15￿General￿Vehicle￿Electronics 5.￿Terminal￿Control 5.1.￿Introduction The￿G15￿is￿provided￿with￿the￿terminal￿control￿Parking￿Residing￿Driving￿known￿since￿the￿G12. G15￿terminal￿control Index Explanation Parking Residing Driving Testing-analysis-diagnosis￿(PAD)￿mode Change￿from￿parking￿to￿residing￿by￿waking￿up￿the￿vehicle (e.g.￿vehicle￿unlocking) Change￿from￿residing￿to￿driving￿by￿pressing￿the￿start/stop button￿and￿the￿brake￿pedal￿at￿the￿same￿time￿(combustion￿engine￿is￿started) Automatic￿engine￿start-stop￿function￿stop Automatic￿engine￿start-stop￿function￿start...

  • Page 53: Residing

    G15￿General￿Vehicle￿Electronics 5.￿Terminal￿Control Index Explanation When￿the￿start/stop￿button￿is￿pressed,￿the￿terminal￿status￿changes￿from driving￿to￿residing￿(combustion￿engine￿is￿switched￿off). Change￿from￿residing￿to￿driving￿(activate￿the￿head￿unit￿media￿button￿for￿more than￿3 s,￿confirm￿change￿via￿controller,￿change￿by￿leaving￿the￿vehicle) When￿the￿start/stop￿button￿is￿pressed,￿the￿terminal￿status￿changes￿from parking￿to￿residing. When￿the￿start/stop￿button￿is￿pressed￿(3￿times￿in￿0.8￿s),￿the￿terminal￿status changes￿from￿residing￿to￿testing-analysis-diagnosis￿(PAD). When￿the￿start/stop￿button￿is￿pressed￿(3￿times￿in￿0.8￿s),￿the￿terminal￿status changes￿from￿parking￿to￿testing-analysis-diagnosis￿(PAD). When￿the￿start/stop￿button￿is￿pressed,￿the￿terminal￿status￿changes￿from testing-analysis-diagnosis￿(PAD)￿to￿residing. Change￿from￿residing￿to￿driving￿(locking￿vehicle,￿no￿customer￿interaction￿for 10 minutes.) Further￿information￿on￿terminal￿control￿can￿be￿found￿in￿the￿Product￿Information￿G12￿General￿Vehicle Electronics. 5.2.￿Partial￿network￿operation Present-day￿vehicles￿contain￿up￿to￿70￿control￿units￿with￿well￿over￿100￿microcontrollers￿which￿are networked￿with￿each￿other.￿Depending￿on￿the￿current￿vehicle￿condition,￿not￿all￿comfort￿and￿assistance systems￿are￿always￿required. Through￿the￿targeted￿cutting￿out￿and￿cutting￿in￿of￿control￿units￿that￿are￿not￿required,￿it￿is￿possible￿to save￿energy￿and￿thus￿relieve￿the￿strain￿on￿the￿battery. 5.2.1.￿Control￿units Different￿transceivers￿are￿used￿in￿the￿control￿units￿in￿order￿to￿realize￿partial￿network￿operation.￿These transceivers￿are￿able￿to￿evaluate￿and￿interpret￿messages.￿This￿control￿unit￿remains￿switched￿off￿as long￿as￿any￿bus￿communication￿takes￿place￿without￿a￿valid￿wake-up￿event￿for￿the￿control￿unit￿being present.￿If￿a￿wake-up￿event￿is￿transmitted￿on￿the￿corresponding￿bus,￿the￿transceiver￿can￿activate￿the microcontroller's￿voltage￿regulator￿and￿the￿control￿unit￿starts￿up. Certain￿control￿units￿on￿the￿Ethernet￿require￿a￿separate￿wake-up￿via￿the￿terminal￿15￿wake-up￿line￿for starting￿up. 5.2.2.￿Residing If￿e.g.￿the￿radio￿is￿being￿listened￿to￿in￿the￿vehicle￿condition,￿only￿the￿bus￿system￿to￿which￿the￿radio function￿is￿connected￿is￿active.￿The￿other￿bus￿systems￿are￿woken￿up￿only￿when￿a￿further￿function, such￿as￿e.g.￿seat￿heating,￿is￿required.

  • Page 54: Driving

    G15￿General￿Vehicle￿Electronics 5.￿Terminal￿Control 5.2.3.￿Driving If￿during￿the￿drive￿functions￿are￿not￿used￿or￿required,￿e.g.￿seat￿adjustment,￿the￿corresponding￿control units￿can￿be￿switched￿off.

  • Page 55: Headlights

    G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights 6.1.￿Headlights 6.1.1.￿Variants The￿G15￿is￿fitted￿exclusively￿with￿BMW￿laser￿lights. • BMW￿laser￿light￿(SA 5AZ). A￿headlight￿cleaning￿system￿is￿not￿offered.
  • Page 56 G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights 6.1.2.￿System￿wiring￿diagram G15￿lighting,￿front...
  • Page 57 G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights Index Explanation Frontal￿Light￿Electronics￿Left￿(FLEL) Left￿fog￿light Right￿fog￿light Frontal￿Light￿Electronics￿Right￿(FLER) Ride￿height￿sensor,￿front￿right Fuses￿in￿the￿power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) Fuse￿in￿the￿Body￿Domain￿Controller Turn￿indicator￿in￿exterior￿rearview￿mirror,￿right Ride￿height￿sensor,￿rear￿right Fuse￿for￿rear￿right￿power￿distribution￿box Ride-height￿sensor,￿rear￿left Vertical￿Dynamic￿Platform￿(VDP) Turn￿indicator￿in￿exterior￿rearview￿mirror,￿left Light￿operating￿unit Hazard￿warning￿switch/Intelligent￿Safety￿button Steering￿column￿switch￿cluster￿(SZL) Instrument￿cluster￿(KOMBI) Rain-light-solar-condensation￿sensor￿(RLSBS) Ride￿height￿sensor,￿front￿right 6.1.3.￿BMW￿laser￿light G15￿BMW￿laser￿light...
  • Page 58 G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights Index Explanation Cornering￿light Turn￿indicator Low-beam￿headlight Low-beam￿headlight￿and￿high￿beam Side￿light/daytime￿driving￿light High￿beam￿laser￿and￿high￿beam High￿beam A￿warning￿sticker￿in￿the￿headlight￿is￿required￿by￿law￿in￿some￿countries. 6.2.￿Lighting,￿rear 6.2.1.￿Rear￿light G15￿rear￿light Index Explanation Brake￿light Turn￿indicator Reversing￿light Tail￿light...
  • Page 59 G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights 6.2.2.￿System￿wiring￿diagram G15￿lighting,￿rear...
  • Page 60 G15￿General￿Vehicle￿Electronics 6.￿Exterior￿Lights Index Explanation Digital￿Motor￿Electronics￿1￿(DME1) Electronic￿transmission￿control￿(EGS) Fuses￿in￿power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) Fuse,￿Body￿Domain￿Controller Rear￿light,￿outer￿right￿(turn￿indicator,￿brake￿light,￿tail￿light) Rear￿light,￿inner￿right￿(turn￿indicator,￿brake￿light,￿tail￿light,￿reversing￿light) Number￿plate￿lights/tailgate￿button Battery￿power￿distribution￿box￿fuses Rear￿light,￿inner￿left￿(turn￿indicator,￿brake￿light,￿tail￿light,￿reversing￿light) Rear￿light,￿outer￿left￿(turn￿indicator,￿brake￿light,￿tail￿light) Interference￿suppression￿filter Additional￿brake￿light Light￿switch Hazard￿warning￿switch/Intelligent￿Safety￿button Steering￿column￿switch￿cluster￿(SZL) Rain-light-solar-condensation￿sensor￿(RLSBS) CAN￿terminator...
  • Page 61 G15￿General￿Vehicle￿Electronics 7.￿Wash/Wipe￿System 7.1.￿System￿wiring￿diagram G15￿wash/wipe￿system Index Explanation Wiper￿motor Washer￿jet￿heating,￿left Washer￿jet￿heating,￿right Outside￿temperature￿sensor Washer￿fluid￿level￿switch Window￿washer￿pump Fuse￿for￿front￿right￿power￿distribution￿box Body￿Domain￿Controller￿(BDC) Fuse,￿Body￿Domain￿Controller Steering￿column￿switch￿cluster￿(SZL) Instrument￿cluster￿(KOMBI) Rain-light-solar-condensation￿sensor￿(RLSBS)
  • Page 62 G15￿General￿Vehicle￿Electronics 7.￿Wash/Wipe￿System The￿wiper￿motor￿is￿a￿12 V￿motor￿with￿gearing.￿The￿control￿unit,￿the￿wiper￿motor￿and￿the￿transmission form￿one￿replaceable￿unit.￿This￿wiper￿motor￿unit￿comprises: • A￿permanently￿excited￿direct￿current￿motor￿with￿attached￿reduction￿gear • Control￿unit￿electronics￿with￿position￿sensor￿and￿suppressor￿components￿with￿attached￿plug connection. The￿control￿unit￿in￿the￿wiper￿motor￿is￿able￿to￿identify￿the￿following￿faults: • Fault,￿control￿unit￿electronics • Short￿circuit • Open￿circuits. The￿control￿unit￿in￿the￿wiper￿motor￿does￿not￿have￿a￿fault￿memory.￿The￿fault￿code￿entry￿is￿effected￿in the￿Body￿Domain￿Controller￿BDC.
  • Page 63 G15￿General￿Vehicle￿Electronics 8.￿Alarm￿System 8.1.￿System￿wiring￿diagram G15￿alarm￿system...
  • Page 64 G15￿General￿Vehicle￿Electronics 8.￿Alarm￿System Index Explanation Bonnet￿switch Fuse,￿power￿distribution￿box,￿front Body￿Domain￿Controller￿(BDC) Door￿lock,￿passenger's￿side CAN￿terminator Luggage￿compartment￿power￿distribution￿box￿fuse Siren￿with￿tilt￿alarm￿sensor￿(SINE) Tailgate￿lock Roof￿function￿center￿(FZD) LED￿interior￿mirror Door￿lock,￿driver's￿side The￿alarm￿system￿is￿equipped￿with￿an￿ultrasonic￿interior￿movement￿detector￿for￿monitoring￿the passenger￿compartment.￿This￿is￿integrated￿in￿the￿roof￿function￿center. The￿Body￿Domain￿Controller￿monitors￿the￿door￿contacts,￿the￿bonnet￿switches￿and￿the￿tailgate.￿As soon￿as￿a￿status￿changes,￿the￿ultrasonic￿interior￿movement￿detector￿receives￿this￿information￿via￿the K-CAN2.￿When￿the￿alarm￿system￿is￿activated,￿an￿alarm￿is￿set￿off￿by￿the￿siren￿with￿tilt￿alarm￿sensor (SINE)￿in￿the￿event￿of￿a￿break-in. The￿siren￿with￿tilt￿alarm￿sensor￿(SINE)￿is￿connected￿to￿the￿roof￿function￿center￿via￿a￿LIN￿bus. The￿status￿of￿the￿alarm￿system￿is￿displayed￿via￿an￿LED￿in￿the￿interior￿mirror.
  • Page 65 G15￿General￿Vehicle￿Electronics 9.￿Electr.￿Steering￿Column￿Adjustment 9.1.￿System￿wiring￿diagram G15￿electric￿steering￿column￿adjustment Index Explanation Fuse￿for￿front￿right￿power￿distribution￿box Body￿Domain￿Controller￿(BDC) Steering￿column￿switch￿cluster￿(SZL) Steering￿column￿adjustment￿switch Memory￿switch,￿driver's￿door Steering￿column￿adjustment Motor,￿steering￿column￿adjustment Motor,￿steering￿column￿adjustment...

  • Page 66: Basic

    G15￿General￿Vehicle￿Electronics 10.￿Interior￿Lighting 10.1.￿Basic The￿G15￿has￿ambient￿lighting￿as￿standard￿equipment.
  • Page 67 G15￿General￿Vehicle￿Electronics 10.￿Interior￿Lighting 10.1.1.￿System￿wiring￿diagram,￿ambient￿lighting G15￿ambient￿lighting...
  • Page 68 G15￿General￿Vehicle￿Electronics 10.￿Interior￿Lighting Index Explanation RGB￿LED￿center￿stack,￿left RGB￿LED￿center￿stack,￿right Fuses￿in￿power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) RGB￿LED￿storage￿compartment,￿door,￿right RGB￿LED￿door￿opener,￿right RGB￿LED￿contour￿lines,￿door,￿right Luggage￿compartment￿power￿distribution￿box￿fuse RGB￿LED￿contour￿lines,￿door,￿left RGB￿LED￿door￿opener,￿right RGB￿LED￿storage￿compartment,￿door,￿left RGB￿LED￿footwell,￿right RGB￿LED￿footwell,￿left RGB￿LED￿center￿stack,￿left RGB￿LED￿center￿stack,￿right The￿ambient￿lighting￿comprises￿11￿predefined￿light￿designs. During￿an￿incoming￿phone￿call￿the￿ambient￿lighting￿flashes￿at￿a￿specified￿frequency. The￿ambient￿lighting￿is￿activated￿when￿the￿vehicle￿is￿unlocked￿or￿locked. RGB￿LEDs￿(Red,￿Green,￿Blue)￿are￿used￿for￿the￿ambient￿lighting.￿The￿lighting￿is￿controlled￿via a￿separate￿LIN￿bus.￿Here￿the￿individual￿LED￿modules￿are￿connected￿in￿series.￿If￿the￿LIN￿bus￿is interrupted￿at￿a￿point,￿the￿lighting￿is￿interrupted￿at￿this￿point.￿A￿search￿for￿the￿fault￿must￿be￿carried￿out at￿the￿location￿where￿the￿last￿LED￿illuminates.
  • Page 69 G15￿General￿Vehicle￿Electronics 11.￿Exterior￿Rearview￿Mirror 11.1.￿System￿wiring￿diagram G15￿exterior￿rearview￿mirror...
  • Page 70 G15￿General￿Vehicle￿Electronics 11.￿Exterior￿Rearview￿Mirror Index Explanation Outside￿temperature￿sensor Fuses￿in￿power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) Exterior￿rearview￿mirror,￿front￿passenger￿side Switch￿block￿for￿driver's￿side Exterior￿rearview￿mirror,￿driver's￿side Instrument￿cluster￿(KOMBI) Interior￿mirror The￿outside￿temperature￿sensor￿is￿connected￿to￿the￿instrument￿cluster.￿This￿makes￿the￿value￿available via￿the￿PT-CAN.￿The￿BDC￿evaluates￿the￿signal￿and￿activates￿the￿exterior￿mirror￿heating￿as￿required￿via the￿LIN￿bus.￿Control￿of￿the￿heater￿output￿is￿dependent￿on￿the￿outside￿temperature. The￿exterior￿mirror￿motors￿are￿activated￿via￿the￿LIN￿bus.

  • Page 71: Function

    G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions 12.1.￿Central￿locking￿system 12.1.1.￿Function The￿function￿of￿the￿central￿locking￿system￿is￿controlled￿via￿the￿BDC.￿The￿function￿is￿as￿follows: • The￿radio￿signal￿from￿the￿ID￿transmitter￿is￿received￿via￿the￿remote￿control￿receiver￿(FBD). • The￿BDC￿activates￿the￿central￿locking￿system￿and￿the￿interior￿lighting. • The￿BDC￿evaluates￿the￿status￿of￿the￿doors,￿lids￿and￿gates. • The￿BDC￿evaluates￿the￿status￿of￿the￿central￿locking￿button. • The￿BDC￿controls￿the￿Soft￿Close￿drives. • The￿BDC￿unlocks￿the￿fuel￿filler￿flap.
  • Page 72 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions 12.1.2.￿System￿wiring￿diagram G15￿central￿locking￿system...
  • Page 73 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions Index Explanation Fuse,￿power￿distribution￿box,￿front Body￿Domain￿Controller￿(BDC) Door￿lock,￿passenger's￿side Central￿locking￿button￿on￿passenger's￿side￿(US￿version) Power￿window￿regulator,￿passenger￿side Motor,￿fuel￿filler￿flap￿lock Luggage￿compartment￿power￿distribution￿box￿fuse Door￿lock,￿tailgate Soft-close￿automatic￿drive Number￿plate￿light/tailgate￿button Luggage￿compartment￿power￿distribution￿box￿fuse Remote￿control￿receiver￿(FBD) Power￿window￿regulator,￿driver's￿side Door￿lock,￿driver's￿side Central￿locking￿button,￿driver's￿side Switch￿block￿for￿driver's￿side￿door Inside￿tailgate￿button...
  • Page 74 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions 12.2.￿Comfort￿Access 12.2.1.￿System￿wiring￿diagram Comfort￿Access...
  • Page 75 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions Index Explanation Fuse￿for￿front￿right￿power￿distribution￿box Body￿Domain￿Controller￿(BDC) Fuse,￿Body￿Domain￿Controller Switch,￿door￿lock,￿passenger's￿side Outside￿door￿handle￿electronics￿(TAGE)￿on￿front￿passenger￿side Comfort￿Access￿antenna,￿passenger's￿side CAN￿terminator Tailgate￿function￿module￿(HKFM) Luggage￿compartment￿power￿distribution￿box￿fuse Control￿unit,￿contactless￿tailgate￿activation Sensor￿at￿bottom￿for￿contactless￿tailgate￿activation Sensor￿at￿top￿for￿contactless￿tailgate￿activation Acoustic￿warning￿device Outside￿tailgate￿button Tailgate￿lock￿switch Inside￿tailgate￿button Comfort￿Access￿antenna,￿luggage￿compartment Luggage￿compartment￿light Remote￿control￿receiver￿(FBD) Comfort￿Access￿antenna,￿passenger￿compartment Comfort￿Access￿antenna,￿driver's￿side Outside￿door￿handle￿electronics￿(TAGE)￿on￿driver's￿side Switch,￿door￿lock,￿driver's￿side Comfort￿Access￿antenna,￿passenger￿compartment Wireless￿charging￿station￿(WCA)/Near￿Field￿Communication￿(NFC)

  • Page 76: Tailgate

    G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions 12.3.￿Tailgate 12.3.1.￿System￿wiring￿diagram Automatic￿operation￿of￿tailgate...
  • Page 77 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions Index Explanation Fuses￿in￿power￿distribution￿box,￿front￿right Body￿Domain￿Controller￿(BDC) Fuse,￿Body￿Domain￿Controller CAN￿terminator Fuses,￿power￿distribution￿box,￿luggage￿compartment Tailgate￿drive,￿right Tailgate￿function￿module￿(HKFM) Tailgate￿lock Soft-close￿automatic￿drive Tailgate￿buttons￿(close/lock) Outside￿tailgate￿button Acoustic￿warning￿device Luggage￿compartment￿light Remote￿control￿receiver￿(FBD) Switch￿block￿for￿driver's￿side Tailgate￿button,￿driver's￿side Power￿window￿motor,￿driver's￿side Instrument￿cluster￿(KOMBI)
  • Page 78 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions 12.4.￿Automatic￿Soft￿Close￿system 12.4.1.￿System￿wiring￿diagram Automatic￿Soft￿Close￿system...
  • Page 79 G15￿General￿Vehicle￿Electronics 12.￿Locking￿and￿Security￿Functions Index Explanation Body￿Domain￿Controller￿(BDC) Door￿lock,￿right Soft-close￿drive,￿right Fuses,￿power￿distribution￿box,￿luggage￿compartment Tailgate￿lock Soft-close￿drive,￿tailgate Soft-close￿drive,￿left Door￿lock,￿left...
  • Page 80 G15￿General￿Vehicle￿Electronics 13.￿Safety￿Systems 13.1.￿System￿wiring￿diagram G15￿safety￿systems...
  • Page 81 G15￿General￿Vehicle￿Electronics 13.￿Safety￿Systems Index Explanation Dynamic￿Stability￿Control￿(DSC) Driver's￿airbag Airbag￿sensor,￿front￿left Clock￿spring Knee￿airbag,￿driver Roof￿function￿center￿(FZD) Switch￿for￿front￿passenger￿airbag￿deactivation￿(not￿for￿US) Knee￿airbag,￿front￿passenger Front￿passenger￿airbag Fuses￿in￿power￿distribution￿box,￿front￿right Airbag￿sensor,￿front￿right Body￿Domain￿Controller￿(BDC) Head￿airbag,￿right Airbag￿sensor,￿door,￿right￿(pressure) Acceleration￿sensor,￿B-pillar￿on￿right Adaptive￿belt￿force￿limiter,￿passenger's￿side Reel￿pretensioner,￿front￿passenger Electric￿fuel￿pump Safety￿battery￿terminal￿(SBK) Telematic￿Communication￿Box￿2￿(TCB2) Reel￿pretensioner,￿rear￿right Reel￿pretensioner,￿rear￿left Seat￿belt￿buckle￿switch,￿rear￿right Seat￿belt￿buckle￿switch,￿rear￿center Seat￿belt￿buckle￿switch,￿rear￿left Seat￿belt￿buckle￿switch,￿front￿passenger Seat￿occupancy￿mat,￿CIS￿mat Seat-position￿sensor,￿front￿right Side￿airbag,￿front￿passenger Crash-active￿headrest,￿front￿passenger Seat￿belt￿buckle￿switch,￿driver Seat-position￿sensor,￿front￿left Side￿airbag,￿driver's￿side Crash-active￿headrest,￿driver Advanced￿Crash￿Safety￿Module￿(ACSM)
  • Page 82 G15￿General￿Vehicle￿Electronics 13.￿Safety￿Systems Index Explanation Reel￿pretensioner,￿driver Adaptive￿belt￿force￿limiter,￿driver's￿side Acceleration￿sensor,￿B-pillar￿on￿left Airbag￿sensor,￿door,￿left￿(pressure) Head￿airbag,￿left 13.2.￿System￿overview G15￿system￿overview,...
  • Page 83 G15￿General￿Vehicle￿Electronics 13.￿Safety￿Systems Index Explanation Airbag￿front￿sensor,￿right Dual￿storage￿system,￿lithium￿ion￿battery Body￿Domain￿Controller￿(BDC) Knee￿airbag,￿front￿passenger Switch￿for￿front￿passenger￿airbag￿deactivation￿(not￿for￿US) Front￿passenger￿airbag Airbag￿sensor,￿door,￿right￿(pressure) Head￿airbag,￿right Central￿information￿display￿(CID) Side￿airbag,￿front￿passenger Automatic￿tensioner,￿front￿passenger Acceleration￿sensor,￿B-pillar￿on￿right Roof￿function￿center￿(FZD) Crash-active￿headrest,￿front￿passenger Electric￿fuel￿pump Reel￿tensioner,￿rear￿right Power￿distribution￿box,￿luggage￿compartment Seat￿belt￿buckle￿switch,￿rear￿center Seat￿belt￿buckle￿switch,￿rear￿left Crash-active￿headrest,￿driver Safety￿battery￿terminal￿(SBK) Telematic￿Communication￿Box￿2￿(TCB2) Reel￿tensioner,￿rear￿left Automatic￿tensioner,￿driver Acceleration￿sensor,￿B-pillar￿on￿left Side￿airbag,￿driver's￿side Airbag￿sensor,￿door,￿left￿(pressure) Seat￿belt￿buckle￿switch,￿driver Seat￿belt￿buckle￿switch,￿front￿passenger Advanced￿Crash￿Safety￿Module￿(ACSM) Driver's￿airbag Instrument￿cluster￿(KOMBI) Knee￿airbag,￿driver Dynamic￿Stability￿Control￿(DSC) Airbag￿front￿sensor,￿left...

  • Page 84: Functions

    G15￿General￿Vehicle￿Electronics 13.￿Safety￿Systems 13.3.￿Functions 13.3.1.￿Impact￿detection The￿US￿version￿of￿the￿vehicles￿is￿equipped￿with￿the￿following￿sensors: • one￿lateral￿and￿one￿longitudinal￿acceleration￿sensor￿in￿the￿B-pillars￿(green) • one￿airbag￿sensor￿to￿monitor￿the￿pressure￿in￿each￿of￿the￿front￿doors￿(blue) • one￿lateral￿and￿one￿longitudinal￿acceleration￿sensor￿in￿the￿ACSM￿(yellow) • one￿roll￿rate￿sensor￿in￿the￿ACSM￿(yellow) • one￿vertical￿acceleration￿sensor￿in￿the￿ACSM￿(yellow) • one￿airbag￿front￿sensor￿each￿on￿the￿engine￿supports￿(red) The￿airbag￿sensors￿in￿the￿doors￿assist￿with￿the￿identification￿of￿a￿side-on￿crash. The￿airbag￿front￿sensors￿assist￿with￿the￿identification￿of￿a￿head-on￿crash￿and￿its￿corresponding severity. G15￿impact￿detection,￿US￿version...

Table of Contents

Save PDF