BMW i3 Technical Training Manual
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BMW i3 Technical Training Manual

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See also: Owner's Manual , User Manual
Technical￿training.
Product￿information.
I01￿General￿Vehicle￿Electronics
BMW￿Service

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Іван
April 21, 2025

де розміщений датчик зовнішньої температури

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Mr. Anderson
May 10, 2025

The outside temperature sensor on the BMW i3 is located near the wheel well on the front passenger side.

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Summary of Contents for BMW i3

  • Page 1 Technical￿training. Product￿information. I01￿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￿and￿national-market￿versions 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. This￿document￿basically￿relates￿to￿the￿European￿version￿of￿left-hand￿drive￿vehicles.￿Some￿operating elements￿or￿components￿are￿arranged￿differently￿in￿right-hand￿drive￿vehicles￿than￿shown￿in￿the graphics￿in￿this￿document.￿Further￿differences￿may￿arise￿as￿a￿result￿of￿the￿equipment￿specification￿in specific￿markets￿or￿countries. Additional￿sources￿of￿information Further￿information￿on￿the￿individual￿topics￿can￿be￿found￿in￿the￿following: • Owner's￿Handbook • Integrated￿Service￿Technical￿Application. Contact:￿conceptinfo@bmw.de ©2013￿BMW￿AG,￿Munich Reprints￿of￿this￿publication￿or￿its￿parts￿require￿the￿written￿approval￿of￿BMW￿AG,￿Munich The￿information￿contained￿in￿this￿document￿forms￿an￿integral￿part￿of￿the￿technical￿training￿of￿the BMW￿Group￿and￿is￿intended￿for￿the￿trainer￿and￿participants￿in￿the￿seminar.￿Refer￿to￿the￿latest￿relevant information￿systems￿of￿the￿BMW￿Group￿for￿any￿changes/additions￿to￿the￿technical￿data. Information￿status:￿July￿2013 BV-72/Technical￿Training...

  • Page 3: Table Of Contents

    I01￿General￿Vehicle￿Electronics Contents Vehicle￿Electrical￿System ......................................1.1. Bus￿overview ..........................................1.2. Main￿bus￿systems ......................................... 1.2.1. K-CAN ........................................1.2.2. PT-CAN ........................................ 1.2.3. FlexRay ........................................1.2.4. D-CAN ........................................1.2.5. Ethernet ....................................... 1.3. Sub-bus￿systems ........................................1.3.1. LIN-Bus ........................................ 1.3.2. Local￿CAN ....................................1.3.3......................................... 1.4. Diagnosis￿access￿OBD2 ..................................1.5. Installation￿locations￿of￿control￿units ..........................

  • Page 4: Table Of Contents

    I01￿General￿Vehicle￿Electronics Contents 1.6.26. Electronic￿Power￿Steering￿(EPS) ......................1.6.27. Dynamic￿Stability￿Control￿(DSC) ......................1.6.28. Optional￿equipment￿system￿(SAS) ....................... Voltage￿Supply ............................................. 2.1. Overview￿of￿the￿12 V￿voltage￿supply ..........................2.2. System￿wiring￿diagram ..................................... 2.3. Components ..........................................2.3.1. Battery ....................................... 2.3.2. Intelligent￿battery￿sensor￿(IBS) ........................2.3.3. Safety￿battery￿terminal￿(SBK) ........................2.3.4. Integrated￿supply￿module ........................... 2.3.5. Power￿distribution￿box,￿front .......................... 2.3.6. Body￿Domain￿Controller￿(BDC) ......................... 2.3.7.

  • Page 5: Table Of Contents

    I01￿General￿Vehicle￿Electronics Contents 5.2. System￿wiring￿diagram ..................................... 5.3. System￿components ....................................Locking￿and￿Security￿Functions .................................. 6.1. System￿wiring￿diagram ..................................... 6.2. System￿components ....................................6.3. Overview￿of￿functions ....................................6.4. Central￿locking￿system ..................................... 6.4.1. System￿wiring￿diagram ............................6.4.2. System￿components ..............................6.5. Comfort￿Access ........................................6.5.1. System￿wiring￿diagram ............................6.5.2. System￿components ..............................Alarm￿System ..............................................7.1. System￿wiring￿diagram .....................................

  • Page 7: Vehicle￿Electrical￿System

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.1.￿Bus￿overview I01￿bus￿overview...
  • Page 8 I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Index Explanation ACSM Crash￿Safety￿Module Amplifier Body￿Domain￿Controller Controller Car￿Sharing￿Module Dynamic￿Stability￿Control EDME Electrical￿Digital￿Motor￿Electronics Electrical￿Machine￿Electronics Electronic￿Power￿Steering FLER Frontal￿Light￿Electronics￿Right FLEL Frontal￿Light￿Electronics￿Left Roof￿function￿center Gear￿selector￿switch HEADUNIT Headunit IHKA Integrated￿automatic￿heating￿/￿air-conditioning￿system KAFAS Camera-based￿driver￿support￿systems Convenience￿charging￿electronics KOMBI Instrument￿cluster Charging￿interface￿module Park￿Distance￿Control Parking￿Maneuvering￿Assistant RDME Range￿Extender￿Digital￿Engine￿Electronics REME Range￿Extender￿Electrical￿Machine￿Electronics Optional￿equipment￿system Battery￿management￿electronics Hybrid￿pressure￿refueling￿electronic￿control￿unit Touchbox Telematic￿Communication￿Box TRSVC...

  • Page 9: Main￿Bus￿Systems

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System All￿bus￿systems￿in￿the￿I01￿are￿known￿from￿the￿other￿F-series. There￿is￿no￿MOST￿in￿the￿I01. 1.2.￿Main￿bus￿systems 1.2.1.￿K-CAN In￿the￿I01￿the￿following￿K-CAN￿are￿used: • K-CAN2 • K-CAN3 • K-CAN4. All￿K-CAN￿data￿buses￿have￿a￿data￿transfer￿rate￿of￿500 kBit/s. The￿K-CAN￿with￿100 kBit/s￿data￿transfer￿rate￿is￿not￿used￿in￿the￿I01.
  • Page 10 I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System K-Can￿termination System￿wiring￿diagram￿K-CAN3...

  • Page 11: Pt-Can

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Index Explanation Frontal￿Light￿Electronics￿Left￿(FLEL) Frontal￿Light￿Electronics￿Right￿(FLER) Body￿Domain￿Controller￿(BDC) CAN￿terminator Top￿Rear￿Side￿View￿Camera￿(TRSVC) The￿CAN-Buses￿are￿shown￿in￿the￿overview￿of￿the￿bus￿systems.￿The￿actual￿physical￿layout￿(topology)￿is shown￿using￿the￿example￿of￿the￿K-CAN3. As￿with￿most￿bus￿systems￿terminating￿resistors￿are￿also￿used￿for￿termination￿for￿the￿K-CAN￿to￿avoid reflections￿on￿the￿data￿lines. The￿terminating￿resistors￿for￿the￿termination￿are￿located￿in￿the • Body￿Domain￿Controller • and￿CAN￿terminator. All￿other￿control￿units￿are￿connected￿at￿the￿CAN￿terminator￿without￿a￿terminating￿resistor. CAN￿terminator In￿the￿CAN￿terminator￿the￿terminating￿resistor￿for￿the￿corresponding￿CAN-Bus￿is￿installed.￿The terminating￿resistor￿comprises￿two￿resistances￿connected￿in￿series,￿each￿60￿Ohm.￿A￿measuring tap￿against￿ground￿with￿a￿resistor￿and￿capacitor￿for￿the￿reduction￿of￿high-frequency￿faults￿is￿also installed.￿Ferrite￿beads￿are￿installed￿for￿all￿bus￿lines￿in￿the￿CAN￿terminator.￿Ferrite￿beads￿suppress high-frequency￿faults￿on￿the￿CAN￿data￿lines,￿thus￿making￿possible￿line￿lengths￿of￿up￿to￿5 m￿in￿the wiring￿harness. 1.2.2.￿PT-CAN In￿the￿I01￿the￿following￿PT-CAN￿are￿used: • PT-CAN • PT-CAN2. The￿gateway￿for￿the￿PT-CAN2￿is￿located￿in￿the￿Electrical￿Digital￿Motor￿Electronics￿(EDME). Both￿PT-CAN￿data￿buses￿have￿a￿data￿transfer￿rate￿of￿500 kBit/s.

  • Page 12: Flexray

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.2.3.￿FlexRay System￿wiring￿diagram￿for￿FlexRay...

  • Page 13: D-Can

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Index Explanation Electronic￿Power￿Steering￿(EPS) Dynamic￿Stability￿Control￿(DSC) Body￿Domain￿Controller￿(BDC) Optional￿equipment￿system￿(SAS) Crash￿Safety￿Module￿(ACSM) Electrical￿Digital￿Motor￿Electronics￿(EDME) The￿FlexRay￿is￿shown￿in￿a￿simplified￿form￿in￿the￿overview￿of￿the￿bus￿systems.￿The￿FlexRay￿system wiring￿diagram￿shows￿the￿actual￿physical￿layout￿(topology). The￿FlexRay￿has￿a￿data￿transfer￿rate￿of￿10 MBit/s. The￿control￿units￿at￿the￿FlexRay￿are: • connected￿using￿an￿additional￿line￿at￿terminal￿15WUP • or￿terminal￿15N. FlexRay￿data￿bus￿topology￿for￿the￿I01 The￿star￿coupler￿with￿four￿drivers￿is￿located￿in￿the￿Body￿Domain￿Controller￿(BDC).￿The￿FlexRay￿control units￿are￿connected￿to￿these￿bus￿drivers￿independent￿of￿their￿termination￿type. Bus￿termination As￿with￿most￿bus￿systems￿resistors￿are￿also￿used￿for￿termination￿for￿the￿FlexRay￿to￿avoid￿reflections on￿the￿data￿lines￿at￿both￿ends￿of￿the￿data￿lines.￿The￿terminating￿resistors￿are￿located￿in￿the￿control units.￿If￿only￿one￿control￿unit￿is￿connected￿at￿a￿bus￿driver,￿the￿connections￿at￿the￿bus￿driver￿and￿at￿the control￿unit￿also￿have￿a￿terminating￿resistor. Synchronization In￿order￿to￿realize￿the￿synchronous￿design￿of￿individual￿functions￿in￿networked￿control￿units,￿a common￿time￿base￿is￿required.￿As￿all￿control￿units￿work￿internally￿with￿their￿own￿clock￿generator, the￿time￿synchronization￿must￿be￿done￿via￿the￿data￿bus.￿The￿control￿units￿measure￿the￿period￿of certain￿synchronization￿bits,￿calculate￿the￿mean￿value￿and￿adapt￿their￿bus￿cycle￿to￿this￿value.￿The synchronization￿bits￿are￿sent￿in￿the￿static￿part￿of￿the￿bus￿message.￿The￿synchronization￿starts￿in￿the FlexRay￿after￿the￿system￿start￿between￿two￿control￿units￿that￿are￿authorised￿to￿perform￿wake-up function￿(marked￿with￿"S"￿in￿the￿bus￿overview),￿once￿the￿Body￿Domain￿Controller￿has￿sent￿a￿wake- up￿pulse.￿When￿this￿process￿is￿completed,￿the￿other￿control￿units￿log￿on￿at￿the￿FlexRay￿and￿calculate their￿respective￿difference￿value.￿In￿addition,￿a￿mathematical￿correction￿of￿the￿synchronization￿is done￿during￿operation.￿It￿is￿thus￿guaranteed￿that￿even￿the￿slightest￿time￿differences￿do￿not￿lead￿to transmission￿errors￿over￿a￿longer￿period. 1.2.4.￿D-CAN The￿D-CAN￿for￿the￿vehicle￿diagnosis￿has￿a￿data￿transfer￿rate￿of￿500￿kBit/s.

  • Page 14: Ethernet

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.2.5.￿Ethernet The￿Ethernet￿access￿is￿used￿for￿programming￿the￿entire￿vehicle. In￿a￿I01￿with￿Headunit￿High￿the￿map￿update￿for￿the￿navigation￿is￿also￿done￿using￿the￿Ethernet interface.

  • Page 15: Sub-Bus￿Systems

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.3.￿Sub-bus￿systems 1.3.1.￿LIN-Bus Overview￿of￿local￿interconnect￿network￿bus...
  • Page 16 I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Index Explanation Frontal￿Light￿Electronics￿Left Electric￿fan Wiper￿motor,￿passenger's￿side Wiper￿motor,￿driver's￿side Intelligent￿battery￿sensor Frontal￿Light￿Electronics￿Right Right￿exterior￿mirror Body￿Domain￿Controller Front￿passenger￿seat￿module Seat￿occupancy￿mat Pressure/Temperature￿sensor Electric￿A/C￿compressor Stepper￿motor,￿footwell Stepper￿motor,￿blending￿flap Stepper￿motor,￿defrost Stepper￿motor,￿fresh￿air/air￿recirculation￿function Hybrid￿pressure￿refueling￿electronic￿control￿unit Crash￿Safety￿Module Blower￿output￿stage Driver's￿seat￿module Intelligent￿Safety￿button Integrated￿automatic￿heating￿/￿air-conditioning￿system￿or￿integrated￿heating￿/ air-conditioning￿regulation Control￿panel￿for￿heating/air-conditioning￿and￿control￿panel￿for￿radio Switch￿block,￿driver's￿door Remote￿control￿receiver Roof￿function￿center Interior￿rear-view￿mirror￿with￿automatic￿anti-dazzle￿function Rain‐light‐solar-condensation￿sensor Steering￿column￿switch￿cluster Operating￿facility,￿light￿switch Electrical￿Digital￿Motor￿Electronics Left￿exterior￿mirror Electric￿heating Siren￿with￿tilt￿alarm￿sensor...

  • Page 17: Local￿Can

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Different￿data￿rates￿are￿used￿for￿the￿local￿interconnect￿network￿bus￿according￿to￿the￿information required.￿The￿data￿transfer￿rates￿of￿the￿local￿interconnect￿network￿bus￿in￿the￿I01￿range￿from￿9.6￿kBit/s to￿20.0￿kBit/s. Examples: • 9.6￿kBit/s￿exterior￿mirror,￿switch￿block￿at￿driver's￿door • 19.2￿kBit/s￿FLEL,￿FLER • 20.0￿kBit/s￿remote￿control￿receiver. The￿Body￿Domain￿Controller￿is￿designed￿for￿the￿different￿data￿rates￿at￿the￿corresponding￿inputs. 1.3.2.￿Local￿CAN In￿the￿I01￿the￿following￿Local￿Controller￿Area￿Networks￿are￿available￿with￿the￿corresponding equipment: • Local￿Controller￿Area￿Network￿from￿the￿optional￿equipment￿system￿to￿camera-based￿driver support￿systems￿(KAFAS) • Local￿Controller￿Area￿Network￿from￿the￿charging￿interface￿module￿LIM￿to￿the￿charging￿socket at￿the￿vehicle. The￿Local￿Controller￿Area￿Networks￿have￿a￿data￿transfer￿rate￿of￿500 kBit/s. 1.3.3.￿USB Depending￿on￿the￿equipment￿the￿following￿USB￿connections￿are￿possible: • from￿the￿headunit￿to￿the￿Telematic￿Communication￿Box￿(TCB) • from￿the￿headunit￿to￿the￿telephone￿base￿plate • from￿the￿headunit￿to￿the￿USB￿plug. In￿vehicles￿with￿a￿Car￿Sharing￿Module￿the￿CSM￿is￿supplied￿with￿power￿via￿the￿telephone￿base￿plate. 1.4.￿Diagnosis￿access￿OBD2 The￿vehicle￿diagnosis￿via￿D-CAN￿is￿done￿using￿the￿OBD2￿interface.￿The￿Ethernet￿access￿for￿the vehicle￿programming￿is￿also￿located￿in￿the￿OBD2￿interface.

  • Page 18: Installation￿Locations￿Of￿Control￿Units

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.5.￿Installation￿locations￿of￿control￿units Installation￿locations￿of￿control￿units Index Explanation Vehicle￿Sound￿Generator￿(VSG)￿(Not￿currently￿for￿the￿US￿market) Frontal￿Light￿Electronics￿Rights￿(FLER) Dynamic￿Stability￿Control￿(DSC) Body￿Domain￿Controller￿(BDC) Integrated￿automatic￿heating￿/￿air-conditioning￿system￿(IHKA)￿(IHKR￿is￿not available￿for￿the￿US￿Market) Instrument￿cluster￿(KOMBI) Gear￿selector￿switch￿(GWS) Roof￿function￿center￿(FZD)

  • Page 19: Control￿Units

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System Index Explanation Touchbox￿(TBX) Parking￿Maneuvering￿Assistant￿(PMA)￿or￿Park￿Distance￿Control￿(PDC) Headunit￿(HEADUNIT) Optional￿equipment￿system￿(SAS) Charging￿interface￿module￿(LIM) Range￿Extender￿Electrical￿Machine￿Electronics￿(REME) Range￿Extender￿Digital￿Engine￿Electronics￿(RDME) Top￿Rear￿Side￿View￿Camera￿(TRSVC) Convenience￿charging￿electronics￿(KLE) Electrical￿machine￿electronics￿(EME) Amplifier￿(AMP) Telematic￿Communication￿Box￿(TCB) Battery￿management￿electronics￿(SME) Crash￿Safety￿Module￿(ACSM) Controller￿(CON) Hybrid￿pressure￿refueling￿electronic￿control￿unit￿(TFE) Electrical￿Digital￿Motor￿Electronics￿(EDME) Camera-based￿driver￿support￿systems￿(KAFAS) Electronic￿Power￿Steering￿(EPS) Frontal￿Light￿Electronics￿Left￿(FLEL) The￿Car￿Sharing￿Module￿is￿connected￿to￿the￿base￿plate￿of￿the￿eject￿box￿instead￿of￿a￿snap-in￿adapter. 1.6.￿Control￿units Information￿on￿control￿units • which￿are￿used￿for￿the￿first￿time￿in￿the￿I01 • known￿control￿units,￿which￿are￿adapted￿for￿the￿I01.

  • Page 20: Body￿Domain￿Controller

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.1.￿Body￿Domain￿Controller Body￿Domain￿Controller The￿Body￿Domain￿Controller￿(BDC)￿replaces￿the￿control￿units￿known￿from￿the￿F30: • Front￿Electronic￿Module￿(FEM)￿and • Rear￿Electronic￿Module￿(REM). BDC￿functions The￿Body￿Domain￿Controller￿(BDC)￿is￿responsible￿for￿the￿following￿functions: • Gateway • Electronic￿immobilizer • Terminal￿control • Comfort￿Access • Central￿locking￿system • Power￿Window￿Regulator • Lighting • Wash/wipe￿system • Horn Other￿functions: • Vehicle￿data￿storage • Data￿transfer￿for￿Condition￿Based￿Service￿(CBS). Fuses￿in￿the￿BDC The￿following￿components￿are￿protected￿by￿fuses￿in￿the￿BDM:...
  • Page 21 I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • Steering￿column￿switch￿cluster￿(SZL),￿operating￿facility￿for￿driver￿assistance￿systems, operating￿facility￿for￿lights • Headlight￿driver￿module￿for￿LED • OBD2￿socket,￿IHKA • Outside￿door￿handle￿electronics • Power￿Window￿Regulator • Central￿locking￿system • Heated￿rear￿window. Relay￿in￿the￿BDC The￿following￿components￿are￿switched￿by￿a￿relay￿in￿the￿BDC: • Power￿window￿regulators • Central￿locking￿system • Headlight￿cleaning￿system • Rear￿wiper. Activation￿of￿relay The￿following￿relays￿are￿activated￿by￿the￿BDC: • Heated￿rear￿window • Horn The￿relays￿are￿located￿above￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment. Gateway￿in￿the￿BDC The￿central￿gateway￿module￿ZGM￿is￿integrated￿in￿the￿BDC.￿The￿ZGM￿is￿integrated￿as￿a￿module￿in the￿BDC￿in￿the￿electrical￿system￿architecture￿2020.￿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￿task￿of￿the￿ZGM￿is￿to connect￿all￿the￿data￿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￿level.￿The￿central￿gateway￿module￿is￿able to￿implement￿different￿protocols￿and￿speeds￿on￿other￿bus￿systems.￿The￿programming￿data￿for￿the control￿units￿are￿transmitted￿by￿Ethernet￿to￿the￿vehicle￿via￿the￿ZGM.

  • Page 22: Frontal￿Light￿Electronics￿(Flel/Fler)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • Exterior￿mirror,￿right • Switch￿block,￿driver's￿door • Electrical￿Digital￿Motor￿Electronics • Intelligent￿battery￿sensor • Windscreen￿wiper • Rain-Driving￿light￿sensor • Interior￿rear-view￿mirror￿with￿automatic￿anti-dazzle￿function • Roof￿function￿center • Remote￿control￿receiver • Steering￿column￿switch￿cluster • Light￿switch • Intelligent￿Safety￿button • Seat-heating￿electronics￿on￿driver's￿side • Seat-heating￿electronics￿on￿passenger's￿side The￿following￿Local￿Interconnect￿Network￿components￿are￿connected￿at￿the￿BDC,￿but￿are￿only￿looped through: • Electric￿heating • Electric￿A/C￿compressor • Integrated￿automatic￿heating￿/￿air-conditioning￿system￿or￿integrated￿heating￿/￿air-conditioning regulation. 1.6.2.￿Frontal￿Light￿Electronics￿(FLEL/FLER) Frontal￿Light￿Electronics￿Left...

  • Page 23: Top￿Rear￿Side￿View￿Camera￿(Trsvc)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System The￿control￿units￿for￿the￿Frontal￿Light￿Electronics￿Left￿(FLEL)￿and￿Frontal￿Light￿Electronics￿Right (FLER)￿are￿installed￿in￿the￿left￿and￿right￿headlight￿for￿the￿LED￿headlight￿equipment. The￿Frontal￿Light￿Electronics￿includes: • The￿activation￿of￿the￿LED￿in￿the￿corresponding￿headlight • The￿activation￿of￿the￿stepper￿motor￿for￿the￿headlight￿beam￿throw￿adjustment The￿control￿units￿FLEL￿and￿FLER￿are￿connected￿at￿the￿K-CAN3￿and￿at￿the￿LIN. 1.6.3.￿Top￿Rear￿Side￿View￿Camera￿(TRSVC) Control￿unit￿for￿reversing￿camera The￿Top￿Rear￿Side￿View￿Camera￿(TRSVC)￿control￿unit￿and￿the￿actual￿reversing￿camera￿are￿integrated in￿the￿one￿housing. In￿the￿I01￿no￿Side￿View￿cameras￿are￿offered. The￿TRSVC￿control￿unit￿is￿connected￿at￿the￿K-CAN3. 1.6.4.￿Roof￿function￿center￿(FZD) Roof￿function￿center Depending￿on￿the￿vehicle￿equipment￿the￿roof￿function￿center￿(FZD)￿includes￿the￿corresponding components￿for:...

  • Page 24: Car￿Sharing￿Module￿(Csm)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • Alarm￿system • Control￿of￿the￿slide/tilt￿sunroof. The￿FZD￿is￿connected￿at￿the￿K-CAN2￿and￿twice￿at￿the￿Local￿Interconnect￿Network. • Local￿Interconnect￿Network￿from￿FZD￿to￿the￿BDC￿and • LIN￿from￿FZD￿to￿the￿siren￿with￿tilt￿alarm￿sensor￿SINE. The￿FZD￿is￿not￿responsible￿for￿the￿control￿of￿the￿interior￿light.￿The￿interior￿light￿unit￿and￿the￿FZD electronics￿are￿located￿in￿the￿same￿housing.￿The￿control￿of￿the￿interior￿light￿is￿described￿in￿chapter￿4. 1.6.5.￿Car￿Sharing￿Module￿(CSM) Car￿Sharing￿Module The￿Car￿Sharing￿Module￿(CSM)￿is￿used￿in￿the￿case￿of￿rental￿cars￿for￿access￿and￿use￿of￿the￿vehicle. The￿CSM￿is￿connected￿at￿the￿K-CAN2￿and￿via￿USB￿at￿the￿headunit.

  • Page 25: Park￿Distance￿Control￿(Pdc)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.6.￿Park￿Distance￿Control￿(PDC) Park￿Distance￿Control Park￿Distance￿Control￿(PDC)￿assists￿the￿driver￿when￿manoeuvring￿in￿and￿out￿of￿a￿parking￿space.￿The current￿distance￿from￿an￿obstruction￿is￿indicated￿by￿acoustic￿signals￿and￿on￿a￿visual￿display. In￿vehicles￿with￿Parking￿Maneuvering￿Assistant￿(PMA)￿the￿sensors￿of￿the￿Park￿Distance￿Control￿(PDC) are￿evaluated￿by￿the￿Parking￿Maneuvering￿Assistant￿control￿unit. The￿PDC￿is￿connected￿at￿the￿K-CAN2. 1.6.7.￿Parking￿Maneuvering￿Assistant￿(PMA) Parking￿Maneuvering￿Assistant The￿Parking￿Maneuvering￿Assistant￿facilitates￿parking￿in￿gaps￿between￿cars￿parallel￿to￿the￿roadway. In￿a￿vehicle￿with￿PMA￿all￿sensors￿of￿the￿Park￿Distance￿Control￿are￿used.￿A￿sensor￿for￿the￿PMA￿is￿also available￿in￿the￿bumper￿panel￿at￿the￿front￿left￿and￿right.￿Therefore￿in￿that￿case￿PMA￿also￿assumes￿the entire￿PDC￿functions.￿There￿is￿no￿separate￿PDC￿control￿unit￿installed.

  • Page 26: Integrated￿Automatic￿Heating￿/￿Air-Conditioning￿(Ihka)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System The￿PMA￿is￿connected￿at￿the￿K-CAN2. 1.6.8.￿Integrated￿automatic￿heating￿/￿air-conditioning￿(IHKA) Integrated￿automatic￿heating￿/￿air-conditioning The￿IHKA￿is￿optional￿equipment￿for￿the￿I01. The￿IHKA￿control￿unit￿is￿a￿Local￿Interconnect￿Network￿master￿for￿the￿following￿components￿of￿the heating￿and￿air-conditioning￿system: • Electric￿heating • • Blower￿output￿stage • Flap￿motors. The￿information￿is￿also￿transmitted￿from￿the￿audio￿control￿panel￿via￿Local￿Interconnect￿Network￿to￿the IHKA￿control￿unit. The￿climate￿control￿unit￿transmits￿the￿information￿from￿the￿audio￿control￿panel￿via￿the￿K-CAN4￿to￿the BDC. The￿IHKA￿is￿connected￿at￿the￿K-CAN4.

  • Page 27: Touchbox￿(Tbx)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.9.￿Touchbox￿(TBX) Touchbox The￿Touchbox￿(TBX)￿control￿unit￿is￿required￿for￿interpreting￿the￿contact￿sensors￿of￿the￿touch￿controller for￿the￿Headunit￿High. The￿TBX￿is￿connected￿at￿the￿K-CAN4. 1.6.10.￿Controller￿with￿touch￿pad￿(CON) Controller￿with￿touch￿pad For￿vehicles￿with￿optional￿equipment￿SA609￿Professional￿navigation,￿the￿regular￿controller￿with￿rotary adjuster/knob￿is￿replaced￿by￿a￿touch￿controller￿with￿an￿additional￿touch￿control￿panel￿above￿the￿rotary adjuster/knob.￿In￿the￿touch￿control￿panel￿the￿customer￿can￿input￿location￿information￿for￿the￿navigation system￿or￿telephone￿numbers￿and￿contact￿details.￿In￿the￿map￿operation￿the￿map￿section￿for￿example can￿be￿moved￿and￿enlarged￿or￿reduced￿by￿finger￿movement. Depending￿on￿the￿national-market￿version￿the￿labeling￿for￿navigation￿differs.

  • Page 28: Head￿Unit￿(Headunit)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • "NAV"￿for￿ECE￿and￿USA • "MAP"￿for￿China￿version. The￿controller￿with￿touchpad￿is￿connected￿at￿the￿K-CAN4. 1.6.11.￿Head￿unit￿(HEADUNIT) Headunit￿High The￿Headunit￿High￿does￿not￿have￿a￿DVD￿drive. The￿headunit￿is￿connected￿at￿the￿K-CAN4￿and￿at￿the￿Body￿Domain￿Controller￿via￿Ethernet. 1.6.12.￿Telematic￿Communication￿Box￿(TCB) Telematic￿Communication￿Box The￿Telematic￿Communication￿Box￿(TCB)￿is￿connected￿to￿the￿Headunit￿HIGH￿and￿is￿responsible￿for the￿following￿functions:...

  • Page 29: Audio￿Amplifier￿(Amp)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • BMW￿Assist￿with￿eCall￿(emergency-call￿function) • BMW￿Online • BMW￿Internet￿using￿a￿SIM￿card￿integrated￿in￿the￿vehicle￿(P-SIM) • Remote￿functions￿(reception￿and￿controller) • "Text-to-speech"￿function￿in￿Office￿area • BMW￿TeleServices￿via￿P-SIM. The￿TCB￿is￿connected￿at￿the￿K-CAN4￿and￿via￿USB￿at￿the￿headunit. 1.6.13.￿Audio￿amplifier￿(AMP) Audio￿amplifier The￿audio￿amplifier￿AMP￿receives￿the￿audio￿analog￿signals￿from￿the￿headunit￿and￿amplifies￿these￿for the￿speaker. The￿audio￿amplifier￿is￿connected￿at￿the￿K-CAN4.

  • Page 30: Instrument￿Cluster￿(Kombi)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.14.￿Instrument￿cluster￿(KOMBI) Instrument￿cluster The￿displays￿of￿the￿instrument￿cluster￿are￿shown￿by￿a￿thin-film￿transistor￿display.￿The￿indicator￿and warning￿lights￿are￿designed￿in￿LED￿technology. The￿instrument￿cluster￿is￿connected￿at￿the￿powertrain￿CAN. 1.6.15.￿Electrical￿Digital￿Motor￿Electronics￿(EDME) Electrical￿Digital￿Motor￿Electronics The￿master￿role￿for￿the￿control￿of￿the￿electric￿motor￿in￿the￿I01￿is￿assumed￿by￿the￿DME.￿It￿is￿modelled after￿vehicles￿with￿a￿gasoline￿engine￿with￿"Electrical￿Digital￿Motor￿Electronics"￿EDME.￿The￿EDME￿has the￿following￿functions:...

  • Page 31: Charging￿Interface￿Module￿(Lim)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System • Evaluation￿of￿the￿driver's￿choice￿(accelerator￿pedal) • Coordination￿of￿torque￿demands • Activation￿of￿the￿electrical￿machine • Activation￿of￿electric￿fan • Activation￿of￿electric￿fan￿in￿the￿engine￿compartment • Evaluation￿of￿the￿electronic￿gear￿selector￿switch￿(Shift-by-Wire￿function) • Power￿management￿for￿the￿high-voltage￿electrical￿system • Power￿management￿for￿the￿low-voltage￿electrical￿system • Activating￿the￿electric￿vacuum￿pump. The￿EDME￿is￿connected￿to￿the￿PT-CAN,￿PT-CAN2￿and￿FlexRay. 1.6.16.￿Charging￿interface￿module￿(LIM) Charging￿interface￿module The￿LIM￿control￿unit￿is￿responsible￿for￿the￿following￿functions: • Coordinating￿the￿charging￿procedure • Activation￿of￿the￿LEDs￿for￿displaying￿the￿charging￿status • Activation￿of￿the￿electric￿motor￿for￿locking￿the￿charging￿socket￿cover • Activation￿of￿the￿electric￿motor￿for￿locking￿the￿charging￿plug. The￿LIM￿is￿connected￿at￿the￿PT-CAN￿and￿via￿a￿Local-CAN￿at￿the￿charging￿socket￿at￿the￿vehicle.

  • Page 32: Gear￿Selector￿Switch￿(Gws)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.17.￿Gear￿selector￿switch￿(GWS) Gear￿selector￿switch The￿gear￿selector￿switch￿GWS￿is￿used￿for￿selecting￿a￿drive￿position.￿It￿is￿positioned￿in￿the￿vehicle￿at the￿steering￿column.￿The￿parking￿lock￿is￿activated/deactivated￿using￿the￿P￿button.￿The￿drive￿position￿is displayed￿by￿means￿of￿LED.￿The￿START-STOP￿button￿is￿also￿positioned￿at￿the￿gear￿selector￿switch. The￿GWS￿is￿connected￿at￿the￿PT-CAN￿and￿PT-CAN2. 1.6.18.￿Convenience￿charging￿electronics￿(KLE) Convenience￿charging￿electronics The￿convenience￿charging￿electronics￿(KLE)￿is￿standard￿equipment￿for￿the￿US￿market￿and enables￿the￿charging￿of￿the￿high-voltage￿battery￿with￿AC￿voltage. Charging￿power￿with￿AC￿voltage: • 3.7 kW￿power￿EME￿and • 3.7 kW￿power￿KLE. This￿gives￿a￿maximum￿charging￿power￿of￿7.4 kW.

  • Page 33: Hybrid￿Pressure￿Refueling￿Electronic￿Control￿Unit￿(Tfe)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System The￿KLE￿enables￿charging￿with￿direct￿current￿voltage￿and￿a￿power￿rating￿of￿up￿to￿maximum￿50 kW. The￿charging￿power￿is￿dependent￿on￿the￿power￿of￿the￿charging￿station. Note:￿The￿charging￿variants￿and￿power￿are￿country-dependent.￿The￿US￿market￿includes￿the KLE￿(7.4KW)￿option￿as￿standard￿in￿all￿I01￿vehicles. The￿KLE￿is￿connected￿at￿the￿PT-CAN2. 1.6.19.￿Hybrid￿pressure￿refueling￿electronic￿control￿unit￿(TFE) Hybrid￿pressure￿refueling￿electronic￿control￿unit The￿control￿unit￿for￿the￿hybrid￿pressure￿refueling￿electronic￿control￿unit￿TFE￿is￿only￿installed￿in vehicles￿with￿range￿extender. The￿TFE￿is￿required￿to￿depressurize￿the￿fuel￿tank￿before￿filling.￿The￿excess￿pressure￿available￿in￿the tank￿is￿discharged￿via￿the￿carbon￿canister￿and￿the￿fuel￿filler￿flap￿can￿then￿be￿opened.￿The￿activation￿of the￿fuel￿filler￿flap￿is￿done￿by￿the￿hybrid￿pressure￿refueling￿electronic￿control￿unit. The￿hybrid￿pressure￿refueling￿electronic￿control￿unit￿is￿connected￿at￿the￿powertrain￿CAN.

  • Page 34: Range￿Extender￿Digital￿Engine￿Electronics￿(Rdme)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.20.￿Range￿Extender￿Digital￿Engine￿Electronics￿(RDME) Range￿Extender￿Digital￿Engine￿Electronics The￿control￿unit￿RDME￿is￿installed￿in￿a￿vehicle￿with￿range￿extender. The￿RDME￿is￿the￿DME￿for￿the￿range￿extender. The￿RDME￿is￿connected￿to￿the￿PT-CAN￿and￿PT-CAN2. 1.6.21.￿Range￿Extender￿Electrical￿Machine￿Electronics￿(REME) Range￿Extender￿Electrical￿Machine￿Electronics The￿range￿extender￿electrical￿machine￿electronics￿REME￿is￿only￿installed￿in￿vehicles￿with￿range extender. The￿REME￿controls￿the￿range￿extender￿electrical￿machine.￿The￿range￿extender￿electrical￿machine￿is used￿to￿start￿the￿rage￿extender.￿If￿the￿combustion￿engine￿is￿running￿voltage￿is￿generated￿by￿the￿range extender￿electrical￿machine￿and￿the￿high-voltage￿battery￿is￿charged￿via￿the￿REME. The￿REME￿is￿connected￿at￿the￿PT-CAN2.

  • Page 35: Camera-Based￿Driver￿Support￿Systems￿(Kafas)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.22.￿Camera-based￿driver￿support￿systems￿(KAFAS) Camera-based￿driver￿support￿systems The￿control￿unit￿camera-based￿driver￿support￿systems￿KAFAS￿is￿required￿for￿the￿following￿optional equipment: • Camera-based￿cruise￿control￿with￿Stop&Go￿function • Traffic￿jam￿assistant • Road￿sign￿recognition • Collision￿warning • Person￿recognition￿with￿city￿braking￿function • Collision￿warning￿with￿city￿braking￿function. The￿camera-based￿driver￿support￿systems￿control￿unit￿is￿connected￿to￿the￿PT-CAN￿and￿to￿the￿optional equipment￿system￿via￿a￿Local￿Controller￿Area￿Network.

  • Page 36: Electrical￿Machine￿Electronics￿(Eme)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.23.￿Electrical￿machine￿electronics￿(EME) Electrical￿machine￿electronics The￿function￿of￿the￿electrical￿machine￿electronics￿is￿to￿activate￿and￿control￿the￿permanently￿excited electrical￿machine￿in￿the￿high-voltage￿electrical￿system.￿This￿necessitates￿the￿use￿of￿a￿bidirectional inverter￿which￿converts￿the￿high￿direct￿current￿voltage￿of￿the￿high-voltage￿battery￿into￿a￿three-phase alternating￿current￿for￿the￿electrical￿machine.￿The￿high-voltage￿battery￿is￿charged￿again￿by￿the alternator￿operation￿of￿the￿electrical￿machine. The￿EME￿also￿incorporates￿the￿DC/DC￿converter￿which￿is￿responsible￿for￿the￿voltage￿supply￿to￿the 12 V￿vehicle￿electrical￿system. The￿power￿electronics￿for￿charging￿with￿AC￿voltage￿at￿3.7 kW￿is￿also￿located￿in￿the￿EME. The￿EME￿is￿connected￿to￿the￿PT-CAN￿and￿PT-CAN2.

  • Page 37: Battery￿Management￿Electronics￿(Sme)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.24.￿Battery￿management￿electronics￿(SME) Battery￿management￿electronics The￿SME￿is￿integrated￿in￿the￿high-voltage￿battery￿and￿executes￿among￿others￿the￿following￿functions: • Monitoring￿of￿the￿state￿of￿the￿lithium-ion￿battery • Monitoring￿of￿the￿high-voltage￿electrical￿system￿for￿insulation￿faults • Control￿of￿the￿switch￿contactors￿for￿activating￿the￿high-voltage￿system. The￿SME￿is￿connected￿at￿the￿PT-CAN2.

  • Page 38: Advanced￿Crash￿Safety￿Module￿(Acsm)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.25.￿Advanced￿Crash￿Safety￿Module￿(ACSM) Crash￿Safety￿Module The￿function￿of￿the￿Crash￿Safety￿Module￿ACSM￿is￿to￿permanently￿evaluate￿all￿sensor￿signals￿in￿order to￿identify￿a￿crash￿situation.￿The￿ACSM￿evaluates￿the￿information￿from￿the￿sensors￿and￿then￿forwards corresponding￿measures￿for￿selective￿activation￿of￿the￿necessary￿restraint￿systems. The￿ACSM￿records￿the￿yaw￿rate￿and￿sends￿this￿information￿on￿the￿FlexRay￿data￿bus. No￿additional￿yaw￿sensors￿are￿required￿for￿the￿following￿systems. • Dynamic￿Stability￿Control • Navigation￿system. The￿ACSM￿is￿connected￿to￿the￿FlexRay.

  • Page 39: Electronic￿Power￿Steering￿(Eps)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System 1.6.26.￿Electronic￿Power￿Steering￿(EPS) Electronic￿Power￿Steering The￿Electronic￿Power￿Steering￿supplied￿with￿voltage￿by￿the￿12 V￿vehicle￿electrical￿system. The￿steering￿angle￿information￿in￿the￿I01￿is￿calculated￿by￿the￿EPS￿and￿made￿available￿to￿the￿other control￿units￿via￿the￿FlexRay￿data￿bus. The￿EPS￿is￿connected￿at￿the￿FlexRay. 1.6.27.￿Dynamic￿Stability￿Control￿(DSC) Dynamic￿Stability￿Control...

  • Page 40: Optional￿Equipment￿System￿(Sas)

    I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System The￿control￿unit￿Dynamic￿Stability￿Control￿(DSC)￿has￿new￿functions￿and￿adaptations￿for￿an￿electric vehicle. New￿functions: • Motor￿tow-away￿control￿for￿electric￿motor • Function￿and￿stabilization￿during￿energy￿recovery. • The￿tire￿pressure￿monitoring￿function￿(TPMS)￿is￿now￿integrated￿into￿the￿DSC￿control￿unit. No￿separate￿TPMS￿control￿unit￿is￿not￿required,￿please￿refer￿to￿the￿“I01￿Chassis￿and Suspension”￿training￿manual￿for￿more￿information. The￿DSC￿is￿connected￿at￿the￿FlexRay. 1.6.28.￿Optional￿equipment￿system￿(SAS) Optional￿equipment￿system The￿optional￿equipment￿system￿control￿unit￿provides￿a￿variety￿of￿driver￿assistance￿functions. Possible￿functions: • Collision￿warning￿with￿city￿braking￿function • Cruise￿control￿with￿braking￿function • Person￿recognition￿with￿city￿braking￿function • Parking￿Maneuvering￿Assistant • Camera-based￿cruise￿control￿with￿Stop&Go￿function • Proactive￿driving￿assistant. The￿image￿information￿required￿by￿the￿optional￿equipment￿system￿is￿provided￿by￿the￿camera-based driver￿support￿systems.
  • Page 41 I01￿General￿Vehicle￿Electronics 1.￿Vehicle￿Electrical￿System The￿optional￿equipment￿system￿is￿not￿an￿element￿of￿the￿standard￿equipment.￿It￿is￿only￿installed￿if the￿customer￿orders￿a￿corresponding￿optional￿equipment.￿In￿the￿I01￿there￿is￿no￿Integrated￿Chassis Management￿ICM.￿The￿data￿required￿for￿the￿driver￿assistance￿functions￿is￿made￿available￿via￿the FlexRay. Not￿all￿possible￿functions￿are￿offered￿in￿all￿national-market￿versions. The￿optional￿equipment￿system￿is￿connected￿at￿the￿FlexRay￿and￿to￿a￿Local￿Controller￿Area￿Network with￿the￿camera-based￿driver￿support￿systems￿KAFAS.

  • Page 42: Voltage￿Supply

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply 2.1.￿Overview￿of￿the￿12 V￿voltage￿supply Overview￿of￿the￿12 V￿voltage￿supply Index Explanation Power￿distribution￿box,￿front Body￿Domain￿Controller Power￿distribution￿box,￿passenger￿compartment Integrated￿supply￿module￿(only￿for￿vehicles￿with￿range￿extender) Electrical￿machine￿electronics Safety￿battery￿terminal Battery￿(12￿V;￿20￿Ah;￿AGM) Intelligent￿battery￿sensor Electronic￿Power￿Steering Dynamic￿Stability￿Control...

  • Page 43: System￿Wiring￿Diagram

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply 2.2.￿System￿wiring￿diagram I01￿system￿wiring￿diagram￿for￿voltage￿supply...

  • Page 44: Components

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply Index Explanation Electronic￿Power￿Steering Electric￿fan Fuses￿in￿the￿power￿distribution￿box￿at￿the￿front Relay￿for￿electric￿fan Dynamic￿Stability￿Control Safety￿battery￿terminal 12 V￿battery Intelligent￿battery￿sensor Body￿Domain￿Controller Fuses￿in￿the￿Body￿Domain￿Controller Crash￿Safety￿Module Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Electrical￿machine￿electronics Integrated￿supply￿module￿(only￿for￿vehicles￿with￿range￿extender) Battery￿management￿electronics Blower￿motor Electrical￿Digital￿Motor￿Electronics 2.3.￿Components The￿voltage￿supply￿of￿the￿I01￿comprises￿the￿following￿components: • 12 V￿battery • Intelligent￿battery￿sensor￿(IBS) • Safety￿battery￿terminal￿(SBK) • Integrated￿supply￿module￿(only￿for￿vehicles￿with￿range￿extender) • Power￿distribution￿box,￿front • Power￿distribution￿box,￿passenger￿compartment • DC/DC￿converter￿in￿the￿electrical￿machine￿electronics￿for￿supplying￿the￿12 V￿vehicle￿electrical system￿with￿power • Ground￿connections. 2.3.1.￿Battery For￿the￿voltage￿supply￿of￿the￿12 V￿vehicle￿electrical￿system￿a￿20￿Ah￿AGM￿battery￿is￿used.

  • Page 45: Intelligent￿Battery￿Sensor￿(Ibs)

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply In￿contrast￿to￿a￿vehicle￿with￿a￿combustion￿engine,￿the￿requirements￿of￿the￿12 V￿battery￿in￿the￿I01 with￿regard￿to￿an￿engine￿start￿are￿different.￿In￿the￿I01￿the￿job￿of￿the￿12 V￿battery￿is￿only￿to￿ensure￿the powering￿up￿of￿the￿high-voltage￿system.￿What￿is￿required￿of￿the￿12 V￿battery￿is￿no￿longer￿a￿minimum SoC￿to￿ensure￿engine￿starting,￿but￿rather￿a￿minimum￿SoC￿to￿protect￿the￿12 V￿battery￿against￿freezing at￿temperatures￿below￿0 °C￿and￿to￿power￿up￿the￿high-voltage￿system. The￿voltage￿supply￿of￿the￿12 V￿vehicle￿electrical￿system￿(and￿also￿the￿charging￿of￿the￿12 V￿battery)￿is not￿provide￿by￿the￿conventional￿alternator,￿but￿via￿the￿DC/DC￿converter￿in￿the￿EME. 2.3.2.￿Intelligent￿battery￿sensor￿(IBS) The￿IBS￿records￿the￿following￿data￿of￿the￿12 V￿battery: • Voltage • Current • Pole￿temperature. The￿IBS￿performs￿the￿calculation￿and￿the￿evaluation￿of￿the￿information.￿The￿results￿are￿then￿forwarded to￿the￿superior￿control￿units￿via￿local￿interconnect￿network￿bus￿(EDME￿and￿BDC). 2.3.3.￿Safety￿battery￿terminal￿(SBK) The￿safety￿battery￿terminal￿(SBK)￿is￿activated￿in￿the￿event￿of￿an￿accident￿of￿corresponding￿severity. The￿following￿lines￿are￿separated: • Battery￿positive￿wire￿for￿the￿electrical￿machine￿electronics￿(EME) • Battery￿positive￿wire￿for￿the￿integrated￿supply￿module￿(in￿vehicles￿with￿range￿extender) • Terminal￿30C￿for￿battery￿management￿electronics￿(SME). Terminal￿30C￿(crash￿message) In￿the￿event￿of￿a￿missing￿signal￿from￿terminal￿30C,￿the￿SME￿performs￿a￿quick￿shut-down￿of￿the￿high- voltage￿system. The￿line￿from￿the￿safety￿battery￿terminal￿to￿the￿battery￿management￿electronics￿is￿shown￿in￿the wiring￿diagram.￿The￿high-voltage￿safety￿connector￿is￿located￿in￿this￿line.￿In￿a￿vehicle￿with￿the￿optional equipment￿convenience￿charging￿electronics￿there￿is￿another￿junction￿for￿the￿convenience￿charging electronics￿(KLE).

  • Page 46: Integrated￿Supply￿Module

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply 2.3.4.￿Integrated￿supply￿module Integrated￿supply￿module The￿integrated￿supply￿module￿is￿only￿installed￿in￿vehicles￿with￿range￿extender. The￿integrated￿supply￿module￿supplies￿the￿range￿extender￿digital￿engine￿electronics￿and￿the￿12 V components￿of￿the￿range￿extender￿with￿voltage. 2.3.5.￿Power￿distribution￿box,￿front Power￿distribution￿box,￿front The￿power￿distribution￿box￿at￿the￿front￿is￿powered￿by￿the￿12 V￿battery. The￿following￿components￿are￿supplied￿with￿voltage￿via￿the￿power￿distribution￿box￿at￿the￿front￿and protected￿accordingly:...

  • Page 47: Body￿Domain￿Controller￿(Bdc)

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply • Power￿distribution￿box,￿passenger￿compartment • Electronic￿Power￿Steering • Dynamic￿Stability￿Control￿(valves) • Dynamic￿Stability￿Control￿(pump) • Electric￿fan • Body￿Domain￿Controller. 2.3.6.￿Body￿Domain￿Controller￿(BDC) Body￿Domain￿Controller The￿Body￿Domain￿Controller￿(BDC)￿is￿responsible￿for￿the￿terminal￿control:. In￿the￿I01￿there￿are￿2￿relays￿for￿terminal￿30F￿and￿2￿relays￿for￿terminal￿30B. There￿is￿a￿relay￿for￿terminal￿30F￿in￿the￿BDC. The￿following￿relays￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment￿are￿activated￿by￿the BDC: • Terminal￿30F • Terminal￿30B • Terminal￿15N. The￿voltage￿supply￿and￿protection￿of￿the￿following￿components￿is￿done￿by￿the￿BDC. Components￿at￿terminal￿30 • Power￿distribution￿box,￿passenger￿compartment...

  • Page 48: Power￿Distribution￿Box,￿Passenger￿Compartment

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply Components￿at￿terminal￿30F • Steering￿column￿switch￿cluster￿(SZL) • Driver￿assistance￿system￿operating￿facility • Operating￿unit￿for￿light • OBD2￿connection • Automatic￿Integrated￿heating￿/￿air-conditioning￿(IHKA) • Outside￿door￿handle￿electronics. The￿following￿components￿are￿switched￿by￿a￿relay￿in￿the￿BDC￿and￿are￿protected￿accordingly: • Power￿window￿regulators • Central￿locking￿system • Horn • Heated￿rear￿window. 2.3.7.￿Power￿distribution￿box,￿passenger￿compartment Power￿distribution￿box,￿passenger￿compartment Index Explanation Relay,￿terminal￿30B Relay,￿terminal￿30B Relay,￿terminal￿15N The￿following￿relays￿are￿located￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment:...

  • Page 49: Dc/Dc￿Converter￿In￿The￿Eme

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply • 2￿x￿terminal￿30B • Terminal￿15N • Terminal￿30F￿(soldered￿in￿the￿power￿distribution￿box). There￿is￿another￿relay￿for￿terminal￿30F￿in￿the￿Body￿Domain￿Controller. All￿relays￿are￿activated￿by￿the￿BDC. 2.3.8.￿DC/DC￿converter￿in￿the￿EME The￿DC/DC￿converter￿for￿the￿voltage￿supply￿and￿the￿charging￿of￿the￿12 V￿battery￿is￿located￿in￿the￿EME. 2.3.9.￿Ground￿connections Ground￿connections Index Explanation Ground￿Drive￿module￿at￿the￿right￿spring￿strut Ground￿Life￿module￿in￿the￿area￿of￿the￿power￿distribution￿box￿in￿the￿passenger compartment Ground￿Drive￿module￿at￿the￿rear￿cross￿member Ground￿Drive￿module￿at￿the￿front￿cross￿member...
  • Page 50 I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply Other￿ground￿connections￿can￿also￿be￿located￿at￿the￿Drive￿module￿corresponding￿to￿the￿vehicle equipment￿and￿national-market￿version. In￿the￿I01￿the￿ground￿connections￿for￿the￿consumers￿cannot￿be￿connected￿to￿the￿body￿because￿of￿the use￿of￿carbon￿for￿the￿Life￿module.￿The￿grounding￿cables￿of￿all￿consumers￿are￿connected￿to￿ground support￿points. The￿ground￿support￿points￿are￿located: • Directly￿at￿the￿ground￿for￿the￿Drive￿module • In￿the￿case￿of￿the￿Life￿module￿via￿a￿ground￿cable￿at￿a￿ground￿distribution￿block,￿which￿in￿turn￿is connected￿to￿the￿Drive￿module. Electrical￿characteristics￿of￿carbon Carbon￿is￿used￿for￿the￿industrial￿manufacturing￿of￿carbon￿fibers.￿If￿these￿carbon￿fibers￿are￿also introduced￿to￿a￿resin,￿carbon￿fiber-reinforced￿plastic,￿which￿is￿also￿referred￿to￿as￿CFRP ,￿is￿obtained.￿For the￿sake￿of￿simplicity,￿this￿product￿is￿referred￿to￿as￿"carbon"￿in￿this￿document. A￿differentiation￿is￿made￿between￿short￿fibers￿(0.1 – 1 mm￿long),￿long￿fibers￿(1 – 50 mm￿long)￿and endless￿fibers￿(> 50 mm￿long).￿The￿fibers￿are￿used￿for￿different￿processing￿technologies,￿according￿to their￿length. The￿short￿and￿long￿fibers￿are￿suitable￿for￿fiber￿spraying.￿During￿this￿process,￿the￿fibers￿are￿sprayed with￿a￿resin￿in￿a￿form.￿Endless￿fibers￿are￿processed￿further￿to￿obtain￿rovings￿(bundles),￿or￿other￿semi- finished￿textile￿products￿such￿as￿woven￿fabrics. The￿resin￿fixes￿the￿carbon￿fibers￿in￿the￿required￿arrangement￿and￿transmits￿the￿applied￿forces￿to￿and between￿the￿fibers.￿The￿material￿carbon￿ultimately￿only￿exists￿once￿the￿carbon￿fibers￿are￿introduced into￿the￿resin. Structure￿of￿carbon...
  • Page 51 I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply Index Explanation Carbon￿fiber Resin The￿electrical￿and￿thermal￿conductivity￿of￿the￿carbon￿fibers￿themselves￿is￿extremely￿good.￿However,￿as soon￿as￿they￿are￿introduced￿into￿the￿resin,￿the￿resin￿defines￿the￿conductivity￿properties.￿The￿electrical and￿thermal￿conductivity￿is￿then￿extremely￿low￿as￿the￿carbon￿fibers￿are￿encased￿in￿resin.￿The￿carbon fibers￿are￿not￿covered￿entirely￿in￿resin,￿but￿can￿also￿be￿exposed￿at￿the￿component￿surface. The￿passenger￿compartment￿made￿from￿carbon￿is￿connected￿to￿the￿aluminium￿frame.￿The￿aluminium frame￿is￿connected￿to￿ground.￿As￿the￿carbon￿fibers￿establish￿contact￿with￿this￿aluminium￿frame,￿the passenger￿compartment￿has￿an￿undefined￿potential￿similar￿to￿ground. If￿the￿insulation￿of￿a￿live￿electrical￿line￿becomes￿damaged￿as￿a￿result￿of￿an￿incident,￿such￿as: • Accident • Crushed￿cable • Improper￿repair and￿if￿the￿electrical￿conductor￿touches￿the￿carbon￿passenger￿compartment,￿a￿current￿may￿flow through￿the￿carbon￿fiber￿depending￿on￿the￿circumstances. With￿a￿vehicle￿voltage￿of￿12 V￿the￿current￿level￿is￿in￿the￿range￿of￿a￿few￿amperes.￿This￿means￿a￿fuse installed￿for￿the￿protection￿of￿the￿electrical￿line￿would￿not￿activate￿under￿certain￿circumstances. The￿current￿flow￿through￿the￿carbon￿fibers￿would￿also￿cause￿a￿thermal￿event￿at￿the￿contact￿points￿for the￿carbon￿fibers.￿Due￿to￿the￿good￿thermal￿conductivity￿this￿thermal￿event￿would￿also￿spread￿to￿other parts/components￿in￿the￿event￿of￿continued￿current￿flow.￿The￿resulting￿gases￿are￿harmful￿and￿have￿an unpleasant￿odor. Exercise￿extreme￿caution￿when￿working￿on￿electrical￿lines. Lines￿or￿connectors￿which￿are￿not￿insulated￿cannot￿touch￿the￿carbon￿body￿components. In￿each￿case￿follow￿the￿general￿and￿special￿information￿on￿electrical￿characteristics￿of￿the￿carbon￿body in￿the￿repair￿instructions￿...

  • Page 52: Terminal￿Control

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply 2.4.￿Terminal￿control I01￿Terminal￿control Index Explanation Terminal￿30B The￿driving￿readiness￿is￿activated￿by￿simultaneously￿pressing￿the￿START- STOP￿button￿and￿the￿brake￿pedal "Ready￿to￿drive"￿with￿terminal￿15 The￿driving￿readiness￿is￿activated￿by￿simultaneously￿pressing￿the￿START- STOP￿button￿and￿the￿brake￿pedal By￿pressing￿the￿START-STOP￿button￿when￿the￿N￿gear￿is￿engaged￿the￿terminal status￿switches￿to￿car￿wash￿mode When￿the￿START-STOP￿button￿is￿pressed￿the￿terminal￿status￿changes￿from terminal￿15￿to￿terminal￿R The￿driving￿readiness￿is￿activated￿by￿simultaneously￿pressing￿the￿START- STOP￿button￿and￿the￿brake￿pedal Terminal￿R When￿the￿START-STOP￿button￿is￿pressed￿the￿terminal￿status￿changes￿from terminal￿R￿to￿terminal￿30B.

  • Page 53: Energy￿Management

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply Index Explanation When￿the￿START-STOP￿button￿is￿pressed￿the￿terminal￿status￿changes￿from terminal￿15￿to￿terminal￿30B. Terminal￿30 Vehicle￿is￿woken￿up￿by￿a￿wake-up￿event By￿pressing￿the￿START-STOP￿button￿the￿terminal￿status￿switches￿from terminal￿30B￿to￿terminal￿15.￿If￿the￿START-STOP￿button￿is￿pressed￿again￿within 10￿seconds,￿the￿following￿Check￿Control￿message￿"Press￿brake￿for￿engine start"￿is￿displayed Terminal￿15 Terminal￿15￿is￿switched￿off￿if￿the￿vehicle￿has￿been￿locked￿or￿the￿state￿of￿charge￿of￿the￿battery￿is￿too low. The￿driving￿readiness￿is￿deactivated￿by￿pressing￿the￿START-STOP￿button￿when￿the￿vehicle￿is stationary.￿The￿drive￿position￿"P"￿is￿automatically￿engaged￿in￿the￿process.￿The￿car￿wash￿function￿is￿an exception￿to￿this:￿If￿the￿driver￿engages￿the￿drive￿position￿"N"￿when￿the￿driving￿readiness￿is￿switched￿on and￿then￿presses￿the￿START-STOP￿button,￿the￿drive￿position￿"N"￿remains￿engaged￿and￿terminal￿15 remains￿switched￿on. 2.5.￿Energy￿management Functions￿such￿as￿the￿seat￿heating￿or￿heated￿rear￿window￿require￿lots￿of￿energy￿and￿reduce￿the￿range of￿the￿vehicle. The￿driving￿programs￿ECO￿PRO￿and￿ECO￿PRO+￿support￿the￿energy-saving￿consumption￿of convenience￿functions.￿They￿automatically￿perform￿a￿partial￿or￿complete￿deactivation￿of￿these functions. ECO￿PRO • Reduction￿of￿the￿heater￿output￿or￿the￿switched-on￿period￿of￿the￿exterior￿mirror,￿rear￿window and￿seat￿heating. • Reduction￿of￿the￿cooling￿power￿or￿heater￿output￿of￿the￿heating￿and￿air-conditioning￿system. • Restriction￿of￿the￿speed￿to￿an￿adjustable￿maximum￿value￿between￿90￿and￿130 km/h.￿The speed￿limit￿can￿be￿deliberately￿exceeded￿by￿pressing￿the￿accelerator. ECO￿PRO+ The￿following￿settings￿are￿also￿performed￿upon￿activation￿of￿ECO￿PRO￿+: • Deactivation￿of￿the￿cooling￿power￿and￿heater￿output￿of￿the￿heating￿and￿air-conditioning system.￿Restricted￿to￿de-misting￿windshield. •...

  • Page 54: Emergency￿Charging

    I01￿General￿Vehicle￿Electronics 2.￿Voltage￿Supply 2.6.￿Emergency￿charging It￿is￿not￿possible￿to￿operate￿the￿vehicle￿if￿the￿high-voltage￿battery￿and￿12 V￿battery￿are￿not￿charged. In￿order￿to￿put￿the￿vehicle￿back￿into￿operation,￿the￿charging￿cable￿for￿charging￿the￿high-voltage￿battery must￿be￿connected.￿If￿necessary￿manually￿unlock￿the￿charging￿socket￿cover￿and￿connect￿the￿charging cable.￿Emergency￿charging￿is￿started￿automatically.￿The￿charging￿status￿is￿not￿displayed. The￿12 V￿battery￿is￿charged￿somewhat￿after￿a￿few￿minutes.￿The￿12 V￿vehicle￿electrical￿system￿is￿ready for￿operation￿again.￿The￿high-voltage￿system￿can￿be￿started,￿the￿high-voltage￿battery￿can￿therefore￿be charged.￿The￿charging￿status￿of￿the￿high-voltage￿battery￿can￿be￿displayed￿again.￿Continue￿to￿charge the￿vehicle￿until￿the￿state￿of￿charge￿for￿the￿desired￿range￿is￿reached. An￿additional￿AC/DC￿converter￿is￿located￿in￿the￿electrical￿machine￿electronics￿(EME)￿for￿the emergency￿charging￿function.￿This￿supplies￿the￿electronics￿of￿the￿EME￿if￿the￿12 V￿battery￿is discharged,￿thus￿enabling￿the￿start-up￿of￿the￿high-voltage￿system.￿With￿an￿active￿high-voltage￿system the￿12 V￿battery￿is￿charged￿using￿the￿DC/DC￿converter￿in￿the￿EME￿by￿the￿high-voltage￿battery. 2.7.￿Diagnosis￿and￿programming So￿that￿the￿high-voltage￿and￿the￿12 V￿battery￿are￿not￿discharged￿during￿diagnosis￿and￿programming, these￿have￿to￿be￿charged￿accordingly.￿The￿procedure￿for￿charging￿is￿different￿during￿diagnosis￿and programming. 2.7.1.￿Diagnosis For￿diagnosis￿work￿at￿the￿vehicle￿the￿high-voltage￿battery￿can￿be￿charged￿using￿a￿charging￿cable. With￿terminal￿15￿switched￿on￿the￿12 V￿vehicle￿electrical￿system￿is￿supplied￿with￿power￿via￿the￿DC/DC converter￿and￿the￿12 V￿battery￿charged. 2.7.2.￿Programming During￿programming￿the￿12 V￿battery￿must￿be￿charged￿using￿an￿external￿12 V￿charger. It￿is￿not￿possible￿to￿charge￿the￿high-voltage￿battery￿via￿the￿12 V￿vehicle￿electrical￿system.￿During programming￿the￿high-voltage￿system￿is￿switched￿off￿if￿necessary.

  • Page 55: Exterior￿Lights

    I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights The￿I01￿is￿equipped￿with￿LED￿headlights￿as￿standard￿equipment￿(for￿the￿US￿market). LEDs￿are￿also￿installed￿for￿the￿side￿lights￿and￿daytime￿driving￿lights. Incandescent￿bulbs￿are￿installed￿for￿the￿front￿turn￿indicator.
  • Page 56 I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights 3.1.￿System￿wiring￿diagram 3.1.1.￿LED￿headlight System￿wiring￿diagram￿for￿front￿exterior￿lights￿with￿LED￿headlights￿and￿automatic￿headlight￿beam￿throw￿adjustment...
  • Page 57 I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights Index Explanation High-beam￿headlight￿with￿turn￿indicator,￿left Headlight,￿left Fuses￿in￿the￿power￿distribution￿box￿at￿the￿front Headlight,￿right High-beam￿headlight￿with￿turn￿indicator,￿right CAN￿terminator Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Body￿Domain￿Controller Fuse￿in￿the￿Body￿Domain￿Controller Additional￿turn￿indicator,￿exterior￿mirror,￿front￿passenger￿side Ride￿height￿sensor,￿rear Additional￿turn￿indicator,￿exterior￿mirror,￿driver's￿side Hazard￿warning￿switch Rain‐light‐solar-condensation￿sensor Steering￿column￿switch￿cluster￿(SZL) Light￿switch Ride￿height￿sensor,￿front...

  • Page 58: Led￿Rear￿Lights

    I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights 3.1.2.￿LED￿rear￿lights System￿wiring￿diagram￿for￿rear￿exterior￿lights￿with￿LED￿rear￿lights...

  • Page 59: Lighting,￿Front

    I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights Index Explanation Fuse￿in￿the￿power￿distribution￿box￿at￿the￿front Body￿Domain￿Controller Fuse￿in￿the￿Body￿Domain￿Controller Tailgate￿contact Rear￿light,￿top￿right Rear￿light,￿bottom￿right Number￿plate￿light,￿right Number￿plate￿light,￿left Rear￿light,￿bottom￿left Rear￿light,￿top￿left Additional￿brake￿light Interference￿suppression￿filter Brake￿light￿switch Steering￿column￿switch￿cluster￿(SZL) Light￿switch Hazard￿warning￿switch 3.2.￿Lighting,￿front 3.2.1.￿LED￿headlight LED￿headlight Index Explanation Side￿lights￿and￿daytime￿driving￿lights Low-beam￿headlight LEDs￿are￿used￿for￿the￿low-beam￿headlight,￿side￿lights￿and￿daytime￿driving￿lights￿(LEDs￿in￿icons).

  • Page 60: High-Beam￿Headlight￿And￿Turn￿Indicator

    I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights The￿control￿units￿for￿the￿LED￿headlights,￿the￿Frontal￿Light￿Electronics￿Left￿(FLEL)￿and￿Frontal￿Light Electronics￿Right￿(FLER),￿are￿installed￿in￿the￿left￿and￿right￿headlight. The￿Frontal￿Light￿Electronics￿includes: • The￿activation￿of￿the￿LEDs￿in￿the￿corresponding￿headlight • The￿activation￿of￿the￿stepper￿motor￿for￿the￿headlight￿beam￿throw￿adjustment. 3.2.2.￿High-beam￿headlight￿and￿turn￿indicator High￿beam￿headlight/Turn￿indicator Index Explanation High-beam￿headlight Turn￿indicator Bulbs￿are￿used￿for￿high-beam￿headlight￿and￿turn￿indicator. The￿bulbs￿have￿the￿following￿power: • High-beam￿headlight￿55 W￿H7 • Turn￿indicator￿21 W. 3.3.￿Lighting,￿rear The￿I01￿has￿a￿two-part￿rear￿light,￿so￿that￿the￿vehicle￿can￿also￿be￿identified￿when￿the￿tailgate￿is￿opened. One￿part￿is￿located￿in￿the￿tailgate,￿the￿other￿in￿the￿bumper￿panel.￿The￿following￿lights￿in￿the￿bumper panel￿are￿only￿active￿when￿the￿tailgate￿is￿open: • Tail￿light • Brake￿light • Turn￿indicator.
  • Page 61 I01￿General￿Vehicle￿Electronics 3.￿Exterior￿Lights Lighting,￿rear Index Explanation Tail￿light Brake￿light Turn￿indicator Tail￿light/Brake￿light Turn￿indicator Reverse￿light Rear￿fog￿light The￿tail￿light￿and￿brake￿light￿in￿the￿bumper￿panel￿are￿only￿active￿when￿the￿tailgate￿is￿open.￿The￿tail light￿of￿the￿tailgate￿is￿switched￿off￿when￿the￿tailgate￿is￿open. The￿turn￿indicator￿in￿the￿bumper￿panel￿is￿active￿when￿the￿tailgate￿is￿open. LEDs￿are￿used￿for￿all￿lights￿for￿the￿rear￿lighting.

  • Page 62: Interior￿Lighting

    I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting Depending￿on￿the￿optional￿equipment￿selected￿the￿I01￿has￿different￿light￿elements￿for￿the￿interior light. With￿the￿interior￿design￿packages￿Mega￿World￿(option￿7KX),￿Giga￿World￿(option￿7KY)￿and￿Tera￿World (option￿7KZ)￿the￿customer￿has￿ambient￿lighting￿in￿the￿passenger￿compartment.￿This￿includes￿LED elements￿at￿various￿locations￿in￿the￿passenger￿compartment.￿Depending￿on￿the￿selection￿in￿the central￿information￿display￿white￿or￿orange￿LEDs￿are￿activated￿for￿the￿accent￿lighting.￿The￿brightness of￿the￿ambient￿lighting￿can￿also￿be￿adjusted￿via￿the￿CID. In￿the￿I01￿the￿following￿variants￿of￿the￿interior￿light￿are￿possible: • without￿local￿interconnect￿network￿bus￿connection￿(standard￿equipment) • with￿local￿interconnect￿network￿bus￿connection￿(optional￿equipment).

  • Page 63: System￿Wiring￿Diagram￿For￿Interior￿Light￿Without￿Local￿Interconnect￿Network Bus

    I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting 4.1.￿System￿wiring￿diagram￿for￿interior￿light￿without￿local interconnect￿network￿bus System￿wiring￿diagram￿for￿interior￿light￿without￿local￿interconnect￿network￿bus...
  • Page 64 I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting Index Explanation Body￿Domain￿Controller￿(BDC) Glove￿box￿switch Glove￿box￿light Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Luggage￿compartment￿light Tailgate￿contact￿with￿tailgate￿lock Interference￿suppression￿filter Rear￿interior￿light Front￿interior￿light￿unit The￿interior￿light￿is￿controlled￿by￿the￿BDC. The￿output￿stage￿for￿the￿interior￿lighting￿is￿located￿in￿the￿BDC.

  • Page 65: System￿Wiring￿Diagram￿For￿The￿Interior￿Light￿With￿Local￿Interconnect￿Network Bus

    I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting 4.2.￿System￿wiring￿diagram￿for￿the￿interior￿light￿with￿local interconnect￿network￿bus System￿wiring￿diagram￿for￿the￿interior￿light￿I01￿with￿local￿interconnect￿network￿bus...
  • Page 66 I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting Index Explanation Lighting,￿cockpit￿center Body￿Domain￿Controller￿(BDC) Glove￿box￿switch Glove￿box￿light Lighting,￿CID￿area Door￿pocket￿lighting,￿passenger's￿side Door￿contact,￿front￿passenger's￿side,￿front Ground￿lights￿for￿outer￿door￿handle￿on￿front￿passenger's￿side Inside￿door￿handle￿light￿on￿front￿passenger's￿side Lighting￿for￿handle￿on￿front￿passenger's￿side Vanity￿mirror￿light￿on￿passenger's￿side Footwell￿light,￿passenger's￿side Rear￿interior￿light Door￿contact￿on￿front￿passenger's￿side,￿rear Lighting￿for￿handle￿on￿rear￿passenger's￿side Luggage￿compartment￿light Tailgate￿contact￿with￿tailgate￿lock Interference￿suppression￿filter Lighting￿for￿handle￿on￿driver's￿side.￿rear Door￿contact￿on￿driver's￿side,￿rear Interior￿light￿unit,￿front Footwell￿light,￿driver's￿side Vanity￿mirror￿light￿on￿driver's￿side Lighting￿for￿handle￿on￿front￿driver's￿side Inside￿door￿handle￿light￿on￿front￿driver's￿side Ground￿lights￿for￿outer￿door￿handle￿on￿front￿driver's￿side Door￿contact,￿driver's￿side,￿front Door￿pocket￿lighting,￿driver's￿side Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Available￿with￿interior￿design￿Mega￿World￿(option￿7KX),￿Giga￿World￿(option￿7KY)￿or￿Tera￿World￿(option 7KZ)
  • Page 67 I01￿General￿Vehicle￿Electronics 4.￿Interior￿Lighting Available￿only￿with￿interior￿design￿Tera￿World￿(option￿7KZ) The￿number￿of￿lights￿and￿the￿type￿of￿the￿design￿varies￿depending￿on￿the￿vehicle￿equipment. The￿interior￿light￿unit￿is￿connected￿via￿local￿interconnect￿network￿bus￿to￿the￿Body￿Domain￿Controller. The￿electronics￿for￿the￿interior￿lights￿at￿the￿front￿and￿rear￿is￿located￿in￿the￿interior￿light￿unit.￿All￿other LEDs￿of￿the￿interior￿light￿are￿activated￿by￿the￿BDC.

  • Page 68: Wash/Wipe￿System

    I01￿General￿Vehicle￿Electronics 5.￿Wash/wipe￿System The￿I01￿is￿equipped￿with￿two￿windshield￿wipers￿and￿a￿rear￿wiper. Similar￿to￿other￿BMW￿models,￿the￿following￿wiper￿functions￿are￿possible: • Intermittent￿wipes • Continuous￿wipe￿in￿interval￿stage￿1 • Continuous￿wipe￿in￿interval￿stage￿2 • Flick￿wipes. Available￿as￿optional￿equipment￿for￿the￿I01: • Wiper￿nozzle￿heating￿(standard) • Automatic￿function￿via￿rain-light-solar-condensation￿sensor. 5.1.￿System￿components The￿I01￿uses￿(for￿the￿first￿time)￿a￿windshield￿wiper￿system￿which￿works￿in￿the￿opposite￿direction. This￿takes￿up￿significantly￿less￿space￿than￿a￿wiper￿system￿which￿mechanism￿operates￿in￿the￿same direction.
  • Page 69 I01￿General￿Vehicle￿Electronics 5.￿Wash/wipe￿System I01￿system￿components￿of￿wash/wipe￿system Index Explanation Washer￿jet,￿right￿(with￿heater) Wiper￿motor,￿right Power￿distribution￿box,￿passenger￿compartment Body￿Domain￿Controller￿(BDC) Rain-light-solar-condensation￿sensor￿(RLSBS) Instrument￿cluster￿(KOMBI) Steering￿column￿switch￿at￿steering￿column￿switch￿cluster￿(SZL) Rear￿wiper￿with￿electric￿motor...
  • Page 70 I01￿General￿Vehicle￿Electronics 5.￿Wash/wipe￿System Index Explanation Washer￿fluid￿level￿switch Wiper￿motor,￿left Washer￿jet,￿left￿(with￿heater) Electric￿motor,￿windshield￿washer￿pump The￿exact￿procedure￿described￿in￿the￿repair￿instructions￿must￿be￿observed￿when￿replacing￿the￿wiper motor. The￿wiping￿pattern￿of￿the￿windshield￿wiper￿system￿of￿the￿I01￿is￿much￿different￿to￿that￿of￿previous BMW￿vehicles. Comparison￿of￿wiping￿pattern￿of￿I01￿and￿F30 Index Explanation Wiping￿pattern￿of￿I01 Wiping￿pattern￿of￿F30...
  • Page 71 I01￿General￿Vehicle￿Electronics 5.￿Wash/wipe￿System 5.2.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿wash/wipe￿system￿of￿I01...

  • Page 72: System￿Components

    I01￿General￿Vehicle￿Electronics 5.￿Wash/wipe￿System Index Explanation Washer￿fluid￿level￿switch Electric￿motor,￿windshield￿washer￿pump Wiper￿motor,￿left ￿(Master￿CU) Heated￿washer￿jet,￿left Wiper￿motor,￿right Heated￿washer￿jet,￿right Body￿Domain￿Controller￿(BDC) Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Wiper￿motor,￿rear Steering￿column￿switch￿cluster￿(SZL) Instrument￿cluster￿(KOMBI) Rain‐light‐solar-condensation￿sensor The￿local￿interconnect￿network￿bus￿connection￿for￿the￿BDC￿is￿always￿established￿for￿the￿wiper￿motor on￿the￿driver's￿side￿(Master￿Control￿Unit).￿A￿I01￿with￿left-hand￿drive￿is￿shown￿here. 5.3.￿System￿components In￿the￿I01￿a￿wiper￿motor￿with￿integrated￿control￿unit￿electronics￿including￿two￿Local￿Interconnect Network￿interfaces￿is￿used.￿The￿wipe￿request￿and￿driving￿speed￿is￿transmitted￿to￿the￿control￿unit￿of￿the wiper￿motor￿on￿the￿driver's￿side￿(master)￿via￿Local￿Interconnect￿Network￿by￿the￿BDC.￿Via￿another￿local interconnect￿network￿bus￿the￿master￿control￿unit￿then￿activates￿the￿control￿unit￿of￿the￿wiper￿motor￿on the￿passenger's￿side. The￿wiper￿motor￿is￿a￿12 V￿reverse￿motor￿with￿a￿transmission.￿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￿eccentric￿shaft￿sensor￿and￿suppressor￿components￿with attached￿plug￿connection. The￿control￿unit￿in￿the￿wiper￿motor￿is￿able￿to￿identify￿the￿following￿faults: • Faults￿in￿the￿control￿unit￿electronics • Short￿circuits￿at￿the￿motor￿and￿sensor￿system • Open￿lines￿at￿the￿motor￿and￿sensor￿system. The￿control￿unit￿in￿the￿wiper￿motor￿does￿not￿have￿a￿fault￿memory.￿The￿fault￿code￿entry￿is￿done￿in￿the Body￿Domain￿Controller.

  • Page 73: Locking￿And￿Security￿Functions

    I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions There￿are￿two￿distinct￿systems￿concerned￿with￿vehicle￿access￿in￿the￿I01: • Basic￿access,￿central￿locking￿system • Comfort￿Access￿(option￿322). The￿entire￿locking￿and￿security￿functions￿of￿the￿I01￿is￿integrated￿in￿the￿BDC.
  • Page 74 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions 6.1.￿System￿wiring￿diagram I01￿system￿wiring￿diagram￿for￿locking￿and￿security￿functions...
  • Page 75 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Electronic￿Power￿Steering￿(EPS) Dynamic￿Stability￿Control￿(DSC) Body￿Domain￿Controller￿(BDC) Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Button￿for￿central￿locking￿system￿in￿front￿passenger￿door Remote￿control￿receiver Gear￿selector￿switch￿(GWS) Ring￿aerial￿(transponder￿coil) Interior￿aerial￿(front) Button￿for￿central￿locking￿system￿in￿the￿driver's￿door Brake￿light￿switch Electrical￿Digital￿Motor￿Electronics￿(EDME) 6.2.￿System￿components An￿ID￿transmitter￿with￿a￿new￿design￿was￿developed￿for￿the￿I01.￿The￿data￿transfer￿for￿the￿vehicle￿and￿for the￿storage￿of￿data￿on￿the￿ID￿transmitter￿is￿the￿same￿as￿for￿current￿BMW￿models. I01￿ID￿transmitter...

  • Page 76: Overview￿Of￿Functions

    Index Explanation Mechanical￿key￿for￿emergency￿operation Free￿4th￿button￿(factory￿setting￿is￿unlocking￿of￿tailgate) Unlocking￿of￿engine￿compartment￿lid Locking Unlocking 6.3.￿Overview￿of￿functions There￿is￿no￿insertion￿slot￿installed￿in￿the￿I01.￿The￿vehicle￿can￿already￿be￿started￿without￿a￿key￿as standard.￿This￿function￿is￿called￿"Passive￿Go"￿(drive￿authorization).￿However,￿to￿gain￿access￿to￿the vehicle,￿it￿is￿still￿necessary￿to￿actuate￿the￿ID￿transmitter. The￿following￿locking￿and￿security￿functions￿are￿integrated￿in￿the￿I01￿in￿the￿Body￿Domain￿Controller: • Comfort￿Access The￿optional￿equipment￿Comfort￿Access￿contains￿the￿"Comfort￿Entry"￿and￿"Comfort￿Exit" functions.￿The￿"Passive￿Go"￿function￿comes￿as￿standard. • Central￿locking￿system • Power￿window￿regulators • Sliding/tilting￿sunroof • Terminal￿control • Electronic￿immobilizer. The￿locking￿and￿security￿functions￿of￿the￿I01￿are￿based￿on￿the￿CAS￿functions￿in￿the￿F01￿and￿are described￿in￿the￿"Car￿Access￿System￿F01/F02"￿training￿material. With￿regard￿to￿start￿enable￿by￿the￿electronic￿immobilizer￿(also￿called￿Challenge￿Response),￿some changes￿have￿been￿made￿from￿the￿F01.￿What￿is￿new￿is￿the￿omission￿of￿the￿CAS￿bus,￿because￿PT-CAN and￿FlexRay￿already￿provide￿redundancy￿of￿data￿transfer￿between￿BDC￿and￿EDME. In￿addition￿to￿the￿transmission￿release￿in￿the￿control￿unit￿GWS￿in￿the￿I01￿there￿is￿also￿a￿release￿of the￿steering￿via￿the￿Electronic￿Power￿Steering.￿The￿emergency-start￿function￿by￿stopping￿the￿ID transmitter￿at￿the￿ring￿aerial￿is￿already￿known￿from￿the￿F01. 6.4.￿Central￿locking￿system The￿function￿of￿the￿central￿locking￿system￿of￿the￿I01￿is￿based￿on￿that￿of￿current￿BMW￿models.￿With￿the introduction￿of￿the￿BDC￿all￿relevant￿functions￿for￿the￿central￿locking￿system￿are￿handled￿by￿one￿control unit.￿The￿function￿is￿as￿follows: The￿radio￿signal￿from￿the￿ID￿transmitter￿is￿received￿by￿the￿remote￿control￿receiver. The￿signal￿causes￿the￿BDC￿to￿activate￿the￿central￿locking￿system￿and￿the￿interior￿lighting.
  • Page 77 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions The￿BDC￿evaluates￿the￿status￿of￿all￿door￿contacts.￿In￿this￿way,￿for￿example,￿the￿vehicle￿can￿be prevented￿from￿being￿locked￿while￿the￿driver's￿door￿is￿open. The￿status￿of￿the￿central￿locking￿system￿button￿is￿also￿evaluated￿by￿the￿BDC.￿The￿BDC￿activates￿the central￿locking￿system,￿depending￿on￿the￿status. The￿BDC￿is￿responsible￿for￿the￿status￿recording￿and￿activation￿of￿the￿central￿locking￿system￿in￿the tailgate. The￿activation￿of￿the￿unlocking￿of￿the￿engine￿compartment￿lid￿is￿also￿the￿responsibility￿of￿the￿BDC. The￿activation￿of￿the￿unlocking￿of￿the￿fuel￿filler￿flap￿in￿vehicles￿with￿range￿extender￿is￿done￿by￿the hybrid￿pressure￿refueling￿electronic￿control￿unit￿TFE￿and￿not￿by￿the￿central￿locking￿system.
  • Page 78 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions 6.4.1.￿System￿wiring￿diagram I01￿system￿wiring￿diagram￿for￿central￿locking￿system...
  • Page 79 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Electric￿motor￿for￿unlocking￿the￿engine￿compartment￿lid￿catch Engine￿compartment￿lid￿contact￿switch￿in￿the￿engine￿compartment￿lid￿catch Body￿Domain￿Controller￿(BDC) Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Door￿contact,￿central￿locking￿system￿on￿front￿passenger's￿side Button￿for￿central￿locking￿system￿in￿door￿on￿front￿passenger's￿side￿(only￿US version￿vehicles) Door￿contact￿of￿central￿locking￿system￿for￿upper￿lock￿on￿rear￿passenger's￿side Remote￿control￿receiver Door￿contact￿of￿central￿locking￿system￿for￿lower￿lock￿on￿rear￿passenger's￿side Luggage￿compartment￿light Tailgate￿push-button￿on￿the￿outside￿of￿the￿tailgate Tailgate￿contact￿with￿tailgate￿lock Interference￿suppression￿filter Door￿contact￿of￿central￿locking￿system￿for￿lower￿lock￿on￿rear￿driver's￿side Door￿contact￿of￿central￿locking￿system￿for￿upper￿lock￿on￿rear￿driver's￿side Button￿for￿central￿locking￿system￿in￿the￿door￿on￿the￿front￿driver's￿side Door￿contact,￿central￿locking￿system,￿driver's￿side,￿front Tailgate￿push-button Button￿for￿engine￿compartment￿lid...
  • Page 80 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions 6.4.2.￿System￿components I01￿system￿components￿of￿central￿locking￿system Index Explanation Body￿Domain￿Controller￿(BDC) Remote￿control￿receiver Power￿distribution￿box,￿passenger￿compartment Button￿for￿central￿locking￿system￿in￿door￿on￿front￿passenger's￿side￿(only￿US version￿vehicles) Door￿contact,￿central￿locking￿system￿on￿front￿passenger's￿side Door￿contact￿of￿central￿locking￿system￿for￿lower￿lock￿on￿rear￿passenger's￿side Door￿contact￿of￿central￿locking￿system￿for￿upper￿lock￿on￿rear￿passenger's￿side...
  • Page 81 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Luggage￿compartment￿light Door￿contact￿of￿central￿locking￿system￿for￿upper￿lock￿on￿rear￿driver's￿side Interference￿suppression￿filter Tailgate￿contact￿with￿tailgate￿lock Tailgate￿push-button￿on￿the￿outside￿of￿the￿tailgate Door￿contact,￿central￿locking￿system,￿driver's￿side,￿front Button￿for￿central￿locking￿system￿in￿the￿door￿on￿the￿front￿driver's￿side Door￿contact￿of￿central￿locking￿system￿for￿lower￿lock￿on￿rear￿driver's￿side Button￿for￿engine￿compartment￿lid Tailgate￿push-button Electric￿motor￿for￿unlocking￿of￿engine￿compartment￿lid￿catch Engine￿compartment￿lid￿contact￿switch￿in￿the￿engine￿compartment￿lid￿catch The￿engine￿compartment￿lid￿of￿the￿I01￿can￿be￿unlocked￿from￿the￿passenger￿compartment￿using￿a button￿at￿the￿A-pillar￿and￿using￿the￿ID￿transmitter.￿In￿each￿case￿the￿unlocking￿is￿done￿electrically.￿The engine￿compartment￿lid￿can￿be￿unlocked￿in￿the￿event￿of￿a￿fault￿using￿the￿emergency￿release. A￿microswitch￿in￿the￿engine￿compartment￿lid￿catch￿identifies￿the￿completely￿closed￿engine compartment￿lid. During￿the￿journey￿the￿unlocking￿of￿the￿engine￿compartment￿lid￿is￿blocked.￿If￿the￿engine￿compartment lid￿was￿unlocked￿electrically,￿the￿retaining￿hook,￿as￿known￿from￿other￿BMW￿vehicles,￿must￿be￿unlocked from￿the￿hook￿position. I01￿system￿components￿of￿engine￿compartment￿lid￿catch...

  • Page 82: Comfort￿Access

    I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Unlocking￿of￿retaining￿hook Electrical￿connection￿at￿the￿engine￿compartment￿lid￿catch￿for￿microswitch Operation￿of￿the￿emergency￿release￿for￿rear￿trim￿panel￿at￿A-pillar Bowden￿cable￿for￿emergency￿release Electric￿motor￿for￿unlocking￿of￿engine￿compartment￿lid￿catch Retaining￿hook 6.5.￿Comfort￿Access The￿Comfort￿Access￿function￿is￿integrated￿in￿the￿BDC. Comfort￿Access￿contains￿the￿following￿functions: • Passive￿Entry￿(access￿authorization) facilitates￿access￿to￿the￿vehicle￿without￿active￿use￿of￿the￿ID￿transmitter • Passive￿Go￿(drive￿authorization) enables￿the￿vehicle￿to￿be￿started￿when￿there￿is￿a￿valid￿ID￿transmitter￿in￿the￿passenger compartment • Passive￿Exit￿(locking￿authorization) enables￿the￿vehicle￿to￿be￿locked￿without￿active￿use￿of￿the￿ID￿transmitter. The￿components￿and￿functionality￿of￿Comfort￿Access￿are￿familiar￿from￿the￿current￿BMW￿models.
  • Page 83 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions 6.5.1.￿System￿wiring￿diagram I01￿system￿wiring￿diagram￿for￿Comfort￿Access...
  • Page 84 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Fuse￿in￿the￿Body￿Domain￿Controller Body￿Domain￿Controller antenna￿for￿Comfort￿Access￿under￿engine￿compartment￿lid Door￿contact,￿front￿passenger's￿side Outside￿door￿handle￿electronics￿(TAGE)￿on￿front￿passenger's￿side Remote￿control￿receiver Antenna￿for￿Comfort￿Access￿on￿rear￿right￿(in￿right￿rear￿door) Comfort￿Access￿antenna,￿bumper,￿rear Comfort￿Access￿aerial,￿luggage￿compartment Antenna￿for￿Comfort￿Access￿passenger￿compartment,￿rear Antenna￿for￿Comfort￿Access￿on￿rear￿left￿(in￿left￿rear￿door) Outside￿door￿handle￿electronics￿TAGE￿on￿driver's￿side Interior￿antenna￿(front) Door￿contact,￿driver's￿side 6.5.2.￿System￿components For￿the￿CA￿function￿the￿BDC￿activates￿the￿antennas￿for￿the￿exterior￿and￿passenger￿compartment. The￿outside￿door￿handle￿electronics￿(TAGE)￿are￿also￿read￿in￿by￿the￿BDC.
  • Page 85 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions I01￿system￿components￿of￿Comfort￿Access Index Explanation Antenna￿for￿Comfort￿Access￿under￿engine￿compartment￿lid Remote￿control￿receiver Body￿Domain￿Controller Outside￿door￿handle￿electronics￿TAGE￿on￿front￿passenger's￿side Door￿contact￿in￿the￿door￿lock,￿passenger's￿side Interior￿antenna￿(front) Antenna￿Comfort￿Access￿passenger￿compartment,￿rear Antenna￿for￿Comfort￿Access,￿rear￿right Comfort￿Access￿aerial,￿luggage￿compartment...
  • Page 86 I01￿General￿Vehicle￿Electronics 6.￿Locking￿and￿Security￿Functions Index Explanation Comfort￿Access￿aerial,￿bumper,￿rear antenna￿for￿Comfort￿Access,￿rear￿left Outside￿door￿handle￿electronics￿(TAGE)￿on￿driver's￿side Door￿contact￿in￿the￿door￿lock,￿driver's￿side...

  • Page 87: Alarm￿System

    I01￿General￿Vehicle￿Electronics 7.￿Alarm￿System 7.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿alarm￿system...
  • Page 88 I01￿General￿Vehicle￿Electronics 7.￿Alarm￿System Index Explanation Engine￿compartment￿lid￿contact￿switch Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment CAN￿terminator Door￿contact,￿front￿passenger's￿side Door￿contact￿at￿top￿of￿rear￿passenger's￿side Door￿contact￿at￿bottom￿of￿rear￿passenger's￿side Interference￿suppression￿filter Tailgate￿contact￿with￿tailgate￿lock Door￿contact￿at￿bottom￿of￿rear￿driver's￿side Door￿contact￿at￿top￿of￿rear￿driver's￿side Roof￿function￿center LED￿in￿the￿inside￿mirror Door￿contact,￿driver's￿side,￿front Body￿Domain￿Controller Siren￿with￿tilt￿alarm￿sensor The￿alarm￿system￿in￿the￿I01￿is￿equipped￿with￿an￿ultrasonic￿interior￿movement￿detector￿for￿monitoring the￿passenger￿compartment.￿The￿ultrasonic￿interior￿movement￿detector￿(USIS)￿is￿fully￿integrated￿in the￿roof￿function￿center￿(FZD). The￿door￿contacts,￿engine￿compartment￿lid￿contact￿switch￿and￿the￿opening￿of￿the￿tailgate￿are monitored￿by￿the￿Body￿Domain￿Controller.￿As￿soon￿as￿a￿status￿changes,￿the￿ultrasonic￿interior movement￿detector￿receives￿this￿information￿via￿the￿K-CAN2.￿In￿the￿event￿of￿an￿activated￿alarm system￿a￿siren￿with￿tilt￿alarm￿sensor￿is￿activated￿by￿the￿control￿unit￿in￿the￿event￿of￿a￿break-in. The￿SINE￿is￿connected￿to￿the￿FZD￿via￿a￿local￿interconnect￿network￿bus. The￿status￿of￿the￿alarm￿system￿is￿displayed￿via￿the￿LED￿at￿the￿inside￿mirror.

  • Page 89: Slide/Tilt￿Sunroof

    I01￿General￿Vehicle￿Electronics 8.￿Slide/Tilt￿Sunroof 8.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿slide/tilt￿sunroof...
  • Page 90 I01￿General￿Vehicle￿Electronics 8.￿Slide/Tilt￿Sunroof Index Explanation Body￿Domain￿Controller Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Roof￿function￿center Electric￿motor￿for￿slide/tilt￿sunroof The￿control￿and￿monitoring￿of￿the￿motor￿of￿the￿slide/tilt￿sunroof￿is￿located￿in￿the￿FZD,￿as￿is￿known￿from other￿BMW￿models.

  • Page 91: Steering￿Column￿Switch￿Cluster

    I01￿General￿Vehicle￿Electronics 9.￿Steering￿Column￿Switch￿Cluster 9.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿steering￿column￿switch￿cluster...
  • Page 92 I01￿General￿Vehicle￿Electronics 9.￿Steering￿Column￿Switch￿Cluster Index Explanation Body￿Domain￿Controller Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Drop￿arm,￿right Crash￿Safety￿Module￿(ACSM) Drop￿arm,￿left Steering￿column￿switch￿cluster Clock￿spring Touch￿detection￿HOD￿(hands￿of￿device) Switch￿block,￿radio/telephone Driver's￿airbag Horn￿button Switch￿block￿for￿cruise￿control Instrument￿cluster For￿the￿optional￿equipment￿traffic￿jam￿assistant￿a￿capacitive￿sensor￿with￿relevant￿electronics￿HOD (hands￿of￿device)￿detects￿whether￿the￿steering￿wheel￿is￿touched. All￿signals￿of￿the￿buttons￿and￿switches￿of￿the￿multifunction￿steering￿wheel￿(MFL)￿and￿the￿steering column￿switch￿cluster￿(SZL)￿are￿transmitted￿via￿Local￿Interconnect￿Network￿to￿the￿Body￿Domain Controller.￿There￿are￿2￿LIN￿lines￿from￿the￿steering￿column￿switch￿cluster￿(SZL)￿to￿the￿Body￿Domain Controller: • LIN￿from￿SZL￿to￿BDC￿and • LIN￿from￿MFL￿through￿SZL￿looped￿through￿to￿BDC.

  • Page 93: Exterior￿Mirrors

    I01￿General￿Vehicle￿Electronics 10.￿Exterior￿Mirrors The￿following￿exterior￿mirror￿variants￿are￿possible￿in￿the￿I01: • Without￿LIN￿bus￿connection • With￿LIN￿bus￿connection.
  • Page 94 I01￿General￿Vehicle￿Electronics 10.￿Exterior￿Mirrors 10.1.￿System￿wiring￿diagram 10.1.1.￿Exterior￿mirror￿without￿LIN￿bus￿connection System￿wiring￿diagram￿for￿exterior￿mirror,￿basic￿version...
  • Page 95 I01￿General￿Vehicle￿Electronics 10.￿Exterior￿Mirrors Index Explanation Outside￿temperature￿sensor Body￿Domain￿Controller Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Exterior￿mirror,￿front￿passenger's￿side Switch￿block,￿driver's￿door Exterior￿mirror,￿driver's￿side Instrument￿cluster The￿electric￿motors￿of￿the￿exterior￿mirror￿are￿activated￿directly￿using￿the￿mirror￿adjustment￿switch. The￿instrument￿cluster￿receives￿the￿value￿of￿the￿ambient￿temperature￿from￿the￿outside￿temperature sensor￿and￿makes￿this￿available￿to￿the￿Body￿Domain￿Controller.￿The￿control￿and￿the￿output￿stages￿for the￿heating￿of￿the￿exterior￿mirror￿are￿located￿in￿the￿Body￿Domain￿Controller.￿The￿control￿of￿the￿heater output￿is￿dependent￿on￿the￿ambient￿temperature￿and￿the￿switch￿position￿of￿the￿driving￿experience switch.

  • Page 96: Exterior￿Mirror￿With￿Lin￿Bus￿Connection

    I01￿General￿Vehicle￿Electronics 10.￿Exterior￿Mirrors 10.1.2.￿Exterior￿mirror￿with￿LIN￿bus￿connection System￿wiring￿diagram￿for￿exterior￿mirror,￿high￿equipment...
  • Page 97 I01￿General￿Vehicle￿Electronics 10.￿Exterior￿Mirrors Index Explanation Outside￿temperature￿sensor Body￿Domain￿Controller Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Exterior￿mirror,￿front￿passenger's￿side Electronics￿in￿the￿electrochromic￿inside￿mirror Switch￿block,￿driver's￿door Exterior￿mirror,￿driver's￿side Instrument￿cluster The￿instrument￿cluster￿receives￿the￿value￿of￿the￿ambient￿temperature￿from￿the￿outside￿temperature sensor￿and￿makes￿this￿available￿via￿the￿PT-CAN.￿The￿Body￿Domain￿Controller￿evaluates￿the￿signal and￿triggers￿the￿activation￿of￿the￿mirror￿heating￿via￿the￿local￿interconnect￿network￿bus.￿The￿control of￿the￿heater￿output￿is￿dependent￿on￿the￿ambient￿temperature￿and￿the￿switch￿position￿of￿the￿driving experience￿switch. The￿mirror￿servomotors￿are￿activated￿by￿the￿mirror￿electronics.￿The￿request￿for￿adjusting￿the￿exterior mirror￿is￿received￿by￿the￿mirror￿electronics￿via￿the￿local￿interconnect￿network￿bus.

  • Page 98: Inside￿Mirror

    I01￿General￿Vehicle￿Electronics 11.￿Inside￿Mirror 11.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿automatically￿dipping￿interior￿mirror...
  • Page 99 I01￿General￿Vehicle￿Electronics 11.￿Inside￿Mirror Index Explanation Electronics￿in￿the￿electrochromic￿inside￿mirror Roof￿function￿center Body￿Domain￿Controller Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment In￿a￿vehicle￿with￿an￿automatically￿dipping￿inside￿mirror,￿the￿inside￿mirror￿is￿connected￿to￿the￿BDC￿via local￿interconnect￿network￿bus. The￿LED￿for￿the￿alarm￿system￿is￿located￿at￿the￿inside￿mirror.

  • Page 100: Seat￿Heating

    I01￿General￿Vehicle￿Electronics 12.￿Seat￿Heating 12.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿seat￿heating...
  • Page 101 I01￿General￿Vehicle￿Electronics 12.￿Seat￿Heating Index Explanation Body￿Domain￿Controller Fuses￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment Seat￿heating￿pad￿on￿passenger's￿side,￿seat￿surface Seat￿heating￿pad￿on￿passenger's￿side,￿backrest Front￿passenger￿seat￿module Driver's￿seat￿module Seat￿heating￿pad￿on￿driver's￿side,￿seat￿surface Seat￿heating￿pad￿on￿driver's￿side,￿backrest Heating￿-￿A/C￿control￿panel Integrated￿automatic￿heating￿/￿air-conditioning￿system Signal￿path￿for￿seat￿heating: • The￿buttons￿for￿the￿seat￿heating￿are￿read￿in￿by￿the￿control￿panel￿of￿the￿heating￿and￿air- conditioning￿system. • The￿control￿unit￿for￿the￿IHKA￿or￿integrated￿heating￿/￿air-conditioning￿regulation￿sends￿the￿local interconnect￿network￿bus￿information￿on￿the￿K-CAN4 • The￿BDC￿receives￿this￿information￿and￿transmits￿the￿corresponding￿switch-on￿stage￿to￿the respective￿seat￿module￿via￿local￿interconnect￿network￿bus. • The￿seat￿module￿activates￿the￿heating￿mats￿with￿the￿corresponding￿power. The￿control￿of￿the￿heater￿output￿is￿dependent￿on: • the￿switch-on￿stage￿of￿the￿seat￿heating￿and • the￿switch￿position￿of￿the￿driving￿experience￿switch.

  • Page 102: Horn

    I01￿General￿Vehicle￿Electronics 13.￿Horn 13.1.￿System￿wiring￿diagram System￿wiring￿diagram￿for￿the￿horn...
  • Page 103 I01￿General￿Vehicle￿Electronics 13.￿Horn Index Explanation Fanfare Relay￿and￿fuse Body￿Domain￿Controller Steering￿column￿switch￿cluster Horn￿button The￿relay￿for￿the￿horn￿is￿located￿above￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment.￿The fuse￿for￿the￿horn￿is￿located￿in￿the￿Body￿Domain￿Controller. Signal￿path￿of￿horn: • The￿horn￿button￿is￿read￿in￿by￿the￿steering￿column￿switch￿cluster￿SZL. • The￿SZL￿sends￿the￿information￿via￿the￿local￿interconnect￿network￿bus￿to￿the￿Body￿Domain Controller • The￿Body￿Domain￿Controller￿evaluates￿the￿information￿and￿activates￿the￿relay￿for￿the￿horn.
  • Page 104 Bayerische￿Motorenwerke￿Aktiengesellschaft Qualifizierung￿und￿Training Röntgenstraße￿7 85716￿Unterschleißheim,￿Germany...

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