2014 Audi Q7 (4L) Service & Repair Manual
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Repair Manual
Audi Q7 2007 ➤
Electrical Equipment
Edition 01.2007
Service
Service Department. Technical Information
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
List of Workshop Manual Repair Groups
Repair Group
27 - Battery, Starter, Generator and Cruise Control
90 - Instruments
92 - Windshield Wiper and Washer System
94 - Lamps, Switches - Exterior
96 - Interior Lamps, Lamps, Switches
97 - Wiring
Technical information should always be available to the foremen and mechanics, because their
careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and
safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a
matter of course, be observed.
Service
All rights reserved.
No reproduction without prior agreement from publisher.
Copyright © 2008 Audi AG, Ingolstadt A005Q701421
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Contents
27 - Battery, Starter, Generator and Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Contact Corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Maintenance-Free Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.4 Battery, Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.5 Generator, Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.6 Cruise Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Preparing for No Load Voltage Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Battery, Preparing for Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3 Battery, Preparing for Support Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3 Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Diagnosis and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Battery, Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Generator, Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Battery, Disconnecting and Connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.3 Energy Management Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.4 Battery Interrupt Igniter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.5 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.6 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.7 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.8 Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.9 Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.10 Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
90 - Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
1.1 Instrument Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
1.2 Data Bus On Board Diagnostic Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2 Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
2.1 Instrument Cluster Multi-Pin Connectors, Contact Assignment . . . . . . . . . . . . . . . . . . . . . . 34
2.2 Fuel Level Sensor 1, Connector Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3 Fuel Level Sensor 2, Connector Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.4 Engine Coolant Temperature Sensor, Connector Assignment . . . . . . . . . . . . . . . . . . . . . . 36
2.5 Data Bus On Board Diagnostic Interface with MMI, Overview . . . . . . . . . . . . . . . . . . . . . . 36
2.6 Data Bus On Board Diagnostic Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.1 Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.1 Instrument Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.2 Radio Frequency Controlled Clock Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.3 Garage Door Opener Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.4 Data Bus On Board Diagnostic Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
Contents i
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
92 - Windshield Wiper and Washer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1.1 Washer Fluid Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2 Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2.1 Windshield Wiper System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2.2 Rear Window Wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
2.3 Rear Window Wiper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.1 Windshield Wiper System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.2 Rear Window Wiper System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4 Diagnosis and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4.1 Windshield Wiper Arms, Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4.2 Spray Nozzles, Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.3 Wiper Motor Control Module, Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.4 Rear Wiper Arm, Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.5 Rear Spray Nozzle, Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.6 Headlamp Spray Nozzles, Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
5.1 Windshield Wiper Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
5.2 Windshield Wiper Arms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5.3 Windshield Wiper Motor with Wiper Motor Control Module . . . . . . . . . . . . . . . . . . . . . . . . 58
5.4 Washer Fluid Reservoir Filler Neck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.5 Washer Fluid Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.6 Spray Nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5.7 Rear Windshield Wiper Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.8 Rear Spray Nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.9 Rear Wiper Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.10 Rear Window Wiper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5.11 Headlamp Washer System Spray Nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
94 - Lamps, Switches - Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
1.1 HID Headlamps, Usage and Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
1.2 Steering Column Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
1.3 Access/Start Authorization Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
2 Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
2.1 Halogen Headlamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
2.2 HID Headlamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
2.3 Automatic Headlamp Range Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
2.4 Rear Lid Tail Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
2.5 Bumper Tail Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
2.6 Steering Column Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
2.7 Steering Column Electronic Systems Control Module, Front Side, Connector Assignment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
2.8 Steering Column Electronic Systems Control Module, Rear Side, Connector Assignment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
2.9 Access/Start Authorization Switch, Connector Assignment . . . . . . . . . . . . . . . . . . . . . . . . 77
2.10 Parking Aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.1 Front Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.2 Rear Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.3 Steering Column Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.4 Access/Start Authorization Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
ii Contents
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
3.5 Parking Aid System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
4 Diagnosis and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
4.1 Headlamps, Checking and Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
5 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
5.1 Halogen Headlamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
5.2 HID Headlamps with Dynamic Cornering Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5.3 Headlamp Range Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
5.4 Parking/Side Marker Lamps and Turn Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
5.5 Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
5.6 Fog Lamp Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
5.7 Side Turn Signal Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
5.8 Exterior Mirror Entry Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
5.9 Rear Lid Tail Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
5.10 Bumper Tail Lamp and Bulb Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
5.11 High Mounted Brake Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
5.12 License Plate Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
5.13 Steering Column Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
5.14 Access/Start Authorization Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
5.15 Parking Aid System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
6 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
96 - Interior Lamps, Lamps, Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
1.1 Anti-Theft Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
1.2 Heated Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
1.3 Trailer Hitch Wiring Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
2 Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
2.1 Access/Start Authorization System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
2.2 Keyless Access Authorization System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
2.3 Keyless Access Authorization System Exterior Door Handle . . . . . . . . . . . . . . . . . . . . . . . . 134
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.1 Instrument Panel Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.2 Center Console Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.3 Roof Trim Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.4 Front and Rear Door Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.5 Horns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.6 Lane Change Assistance Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
4 Diagnosis and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
4.1 Lane Change Assistance, Preparing for Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
4.2 Lane Change Assistance Control Modules, Calibrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
5 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
5.1 Front Footwell Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
5.2 Rear Footwell Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
5.3 Rain/Light Recognition Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
5.4 Instrument Panel Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
5.5 Center Console Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
5.6 Roof Trim Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
5.7 Luggage Compartment Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
5.8 Front Door Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
5.9 Rear Door Lamps and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5.10 Access/Start Authorization System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
5.11 Ultrasonic Interior Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
5.12 Lane Change Assistance Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
5.13 Lane Change Assistance Warning Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
5.14 Lane Change Assistance Control Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
Contents iii
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
5.15 Signal Horn/Dual Tone Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
5.16 Towing Recognition Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
97 - Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
1.1 Component Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
1.2 Wiring Harnesses and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
1.3 Contact Housings and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
1.4 Contact Housings, Releasing and Disassembling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
1.5 Antenna Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
1.6 Fiber Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
1.7 Vehicle Diagnosis, Testing and Information Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
2.1 Relay and Fuse Carriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
3 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
3.1 Base Mount with Left Instrument Panel Fuse Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
3.2 Left Instrument Panel Fuse Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
3.3 Left CAN Cut-Off Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
3.4 Left Door Cut-Off Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
3.5 Vehicle Electrical System Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
3.6 Center Instrument Panel Relay and Fuse Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
3.7 Center Instrument Panel Fuse Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
3.8 Driver Side Vehicle Floor Main Fuse Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
3.9 Base Mount with Right Instrument Panel Fuse Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
3.10 Right Instrument Panel Fuse Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
3.11 Right CAN Cut-Off Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
3.12 Right Door Cut-Off Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
3.13 Vehicle Electrical System Control Module 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
3.14 Right Luggage Compartment Relay and Fuse Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
3.15 Driver Side E-Box Plenum Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
3.16 Driver Side E-Box Plenum Chamber Fuse and Relay Carrier . . . . . . . . . . . . . . . . . . . . . . 212
3.17 Rear Lid Antenna Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
4 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
iv Contents
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
27 – Battery, Starter, Generator and Cruise Control
1 General Information
⇒ “1.1 Contact Corrosion”, page 1
⇒ “1.2 Battery”, page 1
⇒ “1.3 Maintenance-Free Battery”, page 1
⇒ “1.4 Battery, Charging”, page 2
⇒ “1.5 Generator, Servicing”, page 2
⇒ “1.6 Cruise Control System”, page 2
1.1 Contact Corrosion
Contact corrosion can occur if incorrect fasteners (bolts, nuts,
washers, etc.) are used.
For this reason, only fasteners with a special surface coating are
used.
In addition, rubber or plastic parts and adhesive consist of non-
conductive materials.
If there are doubts as to whether parts are suitable or not, use
new parts ⇒ Parts Catalog .
Note:
♦ We only recommend original replacement parts as they have
been tested and are compatible with aluminum.
♦ We recommend using Audi accessories.
♦ Damage resulting from contact corrosion is not covered by
warranty.
1.2 Battery
The following descriptions can be found in ⇒ Electrical Equipment
- General Information; Rep. Gr. 27 :
♦ Safety procedures and precautions
♦ Lead-acid battery warnings and safety precautions:
1.3 Maintenance-Free Battery
The following descriptions can be found in ⇒ Electrical Equipment
- General Information; Rep. Gr. 27 :
♦ Battery with visual indicator
♦ Battery with visual indicator, checking
♦ AGM battery (without visual indicator)
♦ AGM Battery, checking
♦ Central venting system
♦ Battery Post/Terminal
♦ Visual check of battery
♦ Color display, battery with visual indicator, checking
♦ Battery electrolyte level, checking
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
1. General Information 1
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1.4 Battery, Charging
The following descriptions can be found in ⇒ Electrical Equipment
- General Information; Rep. Gr. 27 :
♦ Charge battery using Battery Charger -VAS 5095A- , -VAS
5900- , -VAS 5903- or -VAS 5904- .
♦ Severely discharged battery
♦ Battery, rapid-charging
♦ Battery support mode with Battery Charger -VAS 5095A- , -
VAS 5900- , -VAS 5903- or -VAS 5904-
1.5 Generator, Servicing
The following descriptions can be found in ⇒ Electrical Equipment
- General Information; Rep. Gr. 27 :
♦ Valeo generator from 2001, assembly overview
♦ Voltage regulator, Valeo generator from 2001, removing and
installing
♦ Carbon brushes, Valeo generator from 2001, checking
♦ Ribbed Belt Pulley without Freewheel, Removing and Instal‐
ling
♦ Ribbed belt pulley with freewheel, removing and installing
1.6 Cruise Control System
Information regarding the cruise control system can be found in
⇒ Electrical Equipment - General Information; Rep. Gr. 27 :
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
2 Rep. Gr.27 - Battery, Starter, Generator and Cruise Control
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2 Description and Operation
⇒ “2.1 Preparing for No Load Voltage Measurement”, page 3
⇒ “2.2 Battery, Preparing for Charging”, page 3
⇒ “2.3 Battery, Preparing for Support Mode”, page 4
2.1 Preparing for No Load Voltage Meas‐
urement
Procedure
The following preparations must be made before the battery no
load voltage can be measured:
– Open cover -1- over positive terminal grip in
-direction of arrow-.
– Connect the tester to the positive terminal clamp “+” and the
ground terminal clamp “-” ⇒ Electrical Equipment - General
Information; Rep. Gr. 27 .
2.2 Battery, Preparing for Charging
Procedure
WARNING
Risk of explosion on discharged battery with visual indicator.
♦ If the visual indicator has no color or is light yellow, the bat‐
tery may not be tested or charged. Jump starting must not
be used! There is a risk of explosion during testing, charging
or jump starting. The battery must be replaced.
Before the battery charger can be connected, the following prep‐
arations are necessary:
Note
It is recommended that the battery is charged when installed and
connected. Only in this way it is guaranteed that the charge cur‐
rent is included in the capacity of the Energy Management Control
Module -J644- .
– Switch off ignition, switch off all electrical consumers and re‐
move ignition key.
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
2. Description and Operation 3
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
– Open cover -1- over positive terminal grip in
-direction of arrow-.
– Connect the red charging clamp “+” -item 3- on the battery
charger to the positive terminal clamp and the black charging
clamp “-” -item 2- to the ground terminal clamp.
– Connect battery charger electrical system connector and
switch charger on ⇒ Electrical Equipment - General Informa‐
tion; Rep. Gr. 27 .
– Leave driver's door and hood open during charging procedure.
2.3 Battery, Preparing for Support Mode
Procedure
Before the battery charger can be connected, the following prep‐
arations are necessary:
– Turn off the ignition and all electrical consumers.
– Open cover -1- over positive terminal grip in
-direction of arrow-.
– Connect the red charging clamp “+” -item 3- on the battery
charger to the positive terminal clamp and the black charging
clamp “-” -item 2- to the ground terminal clamp.
– Connect battery charger electrical system connector and
switch charger on ⇒ Electrical Equipment - General Informa‐
tion; Rep. Gr. 27 .
Audi Q7 2007 ➤
Electrical Equipment - Edition 01.2007
4 Rep. Gr.27 - Battery, Starter, Generator and Cruise Control
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Get your hands on the 2014 Audi Q7 (4L) Service & Repair Manual for comprehensive instructions and procedures to repair your vehicle. Whether you're a professional mechanic or a DIY enthusiast, this manual is an essential resource for immediate car repairs. It provides in-depth technical data, detailed diagrams, a complete parts list, and clear pictures, ensuring even novice mechanics can follow along. The manual covers all aspects of maintenance, engine specifics, control systems, mechanical repairs, fuel service specifications, and more. Compatible with all versions of Windows and Mac, it is fully printable and available in English, allowing you to conveniently store it on your PC and print only the pages you need in seconds.
- Complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications
- Factory detailed repair manual with comprehensive instructions and visuals
- Compatible with all versions of Windows and Mac
- Printable and language: English
- Requirements: Adobe Reader and free online Win viewer
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