Volvo XC90 2014 Quick start guide

WIRING DIAGRAM 2014
VOLVO XC90
TP 39261202

© Volvo Car Corporation
Vehicles with SRS (Airbag)/SIPS bag/IC (Inflatable curtain)
Warning!
Extra caution must be exercised when working on vehicles equipped with SRS/SIPS bag/IC
in order to avoid:
1. Personal injuries when performing repair work.
2. Damage or malfunction of the SRS/SIPS bag/IC system.
Work involving the SRS/SIPS bag/IC systems or other components in the vehicle that may
affect the SRS/SIPS bag/IC systems must always be performed by an authorized Volvo
workshop.
In case of doubt, consult the SRS and SIPS bag/IC service manual.
Is the vehicle equipped with SRS/SIPS bag/IC?
Vehicles with SRS are most easily recognized by the letters SRS in the center of the steering
wheel. If the vehicle also has a passenger side airbag, the letters SRS are stamped on the
dashboard above the glove compartment. SRS vehicles from 1993 and onward also have
explosive seat belt tensioners. SIPS bags are only installed on SRS vehicles from 1995 and
onward. SIPS bag decals are located on the windshield and seat compartment. Vehicles with
IC can be recognized by the letters IC on the C/D panel (4 door) or the B panel (5 door).
General recommendations
• Be especially careful when working on or around SRS, SIPS, and IC components.
• Make sure that no wires are pinched, frayed, or pierced.
• Never fit accessories by the sensors.
• Where applicable, work on the steering wheel, steering shaft, or steering gear must be done
in accordance with the methods in the SRS section of VIDA.
• Certain components of the aforementioned systems must be grounded while working. Read
the appropriate sections in VIDA.
• Install no accessories in the areas between the A and B-posts, the B and C-posts, and the C
and D-posts.
Test terminal
Fuse in cargo compartment auxiliary fuse box.
Changes introduced up to and including structure week 13w20
Any changes made to the vehicle after this date are not included in the manual. If necessary,
refer to service bulletins.
Volvo models are sold in versions adapted for different markets. These adaptations depend
on factors such as legal requirements, taxation, and market demands.
This manual may therefore include illustrations and text that do not apply to the vehicles in
your country.
Ordering:
Electronic Wiring Diagrams (EWD) can be ordered from the Technical Information Shop (TIS)
at tis.volvocars.biz/tis
We retain the right to make modifications

TP 39261202 XC90 2014 3
Explanations & Abbreviations ....................................... 5
How to use the wiring diagrams 1:2............................... 6
Electrical distribution 1:2................................................ 8
Fuses
Engine compartment 11A/1-5 ....................................... 10
Engine compartment 11B/1-12 ..................................... 11
Engine compartment 11B/13-15 ................................... 12
Engine compartment 11B/16-21 ................................... 13
Passenger compartment 11C/1-8................................. 14
Passenger compartment 11C/9-14............................... 15
Passenger compartment 11O/1-2................................. 16
Cargo compartment 11E/1-7 ........................................ 17
Cargo compartment 11L/1 ............................................ 18
Cargo compartment 11O/6-12 ...................................... 19
Central Electronic Module (CEM) F1-F10..................... 20
Central Electronic Module (CEM) F11-F34................... 21
Rear electronic module (REM) F1-F19......................... 22
Rear electronic module (REM) F20-F38....................... 23
Relays
Ignition switch and relays............................................. 24
Engine compartment FMA1 - FST3 ............................. 25
Cargo compartment R1-R3.......................................... 26
Other relays ................................................................. 27
Ground connections
Overview...................................................................... 28
31/1 - 31/44.................................................................. 29
31/46 - 31/66................................................................ 30
31/67 - 31/70................................................................ 31
31/72 - 31/83................................................................ 32
31/84 - 31/89................................................................ 33
31/93 - 31/96................................................................ 34
31/98 - 31/120.............................................................. 35
Control modules
Overview locations....................................................... 36
Overview designations................................................. 37
Central electronic module (CEM) 1:2........................... 38
Rear Electronic Module (REM) 1:2 .............................. 40
Data communication High speed CAN ........................ 42
Data communication Low speed CAN ......................... 43
Data communication, LIN 1:2 ...................................... 44
Data communication MOST......................................... 46
Group 26 Cooling system
Cooling fan 5-Cyl. ........................................................ 47
Cooling fan 5-Cyl. Diesel & 6-Cyl. ............................... 48
Group 27 Engine controls
Cruise control 5-Cyl. ....................................................49
Cruise control, Diesel, 6-Cyl. ........................................50
Group 28 Ignition and control system
Engine management system, Diesel 1:3 ..................... 51
Engine management system, 5-Cyl. Turbo 1:2............ 54
Engine management system, 6-Cyl. 1:2 ...................... 56
Emission control 5-Cyl. Turbo...................................... 58
Emission control 6-Cyl. ............................................... 59
Group 32 Alternator and voltage regulator
Power supply ............................................................... 60
Group 33 Starting system
Starting system 5-Cyl................................................... 61
Starting system, Diesel, 6-Cyl...................................... 62
Group 35 Lighting
High and low beam/(Dual Xenon) & Daytime Running
Lights ........................................................................ 63
Active headlights (ABL)................................................ 64
Fog lights ..................................................................... 65
Brake lights .................................................................. 66
Reversing lights ........................................................... 67
Follow-me-home lighting.............................................. 68
Running/parking light, tail lights & license plate lighting 69
Interior lighting ............................................................. 70
Beam length adjustment .............................................. 71
Auxiliary lights .............................................................. 72
Group 36 Additional electrical equipment
Rain sensor.................................................................. 73
Direction indicator and hazard warning flashers .......... 74
Wiper/Washer Windshield............................................ 75
High pressure headlight washer .................................. 76
Wiper/Washer Rear window ........................................ 77
Horn ........................................................................ 78
Immobilizer................................................................... 79
Anti-theft alarm............................................................. 80
Parking assistance....................................................... 81
Alcohol lock.................................................................. 82
Accessory Electronic Module (AEM) 1:2...................... 83
Group 37 Wiring and fuses
Diagnostics system ...................................................... 85
Outlet 12 V ................................................................... 86
Cable harness towbar/tow hitch 4/7 pin ....................... 87
Cable harness towbar/tow hitch 7-pin.......................... 88
Cable harness towbar/tow hitch 13-pin........................ 89
Accessory USB unit (AUU) .......................................... 90
Table of Contents 1:2

TP 39261202 XC90 2014 4
Group 38 Instruments
Seat belt reminder ....................................................... 91
Driver information module 5-Cyl. ................................. 92
Driver information module Diesel................................. 93
Driver information module 6-Cyl. ................................. 94
Group 39 Other
Audio with external amplifier........................................ 95
Audio with internal amplifier......................................... 96
Navigation system, portable ........................................ 97
Road Traffic Information (RTI) ..................................... 98
Satellite radio ............................................................... 99
Rear seat entertainment ............................................ 100
Sensus ...................................................................... 101
Parking camera.......................................................... 102
Parking camera & AEM ............................................. 103
Bluetooth handsfree, external amplifier ..................... 104
Bluetooth handsfree, internal amplifier ...................... 105
Bluetooth handsfree with AEM, internal amplifier,
LHD ...................................................................... 106
Bluetooth handsfree with AEM, internal amplifier,
RHD ...................................................................... 107
Bluetooth handsfree with AEM, external amplifier,
LHD ...................................................................... 108
Bluetooth handsfree with AEM, external amplifier,
RHD ...................................................................... 109
Group 43 Transmission
Automatic transmission AW51 AWD ......................... 110
Automatic transmission TF-80SC/TF-80SC AWD ..... 111
Geartronic AW51 AWD.............................................. 112
Shift lock AW51 AWD & Manual................................ 113
Differential Electronic Module (DEM)......................... 114
Group 59 Brake system
Brake control system ................................................. 115
Group 64 Steering
Speed dependent power steering.............................. 116
Group 83 Doors and openings
Central locking ........................................................... 117
Power windows.......................................................... 118
Power sunroof............................................................ 119
Group 84 Exterior decorative elements, etc.
Power door mirrors .................................................... 120
Blind spot information system .................................... 121
Heated door mirrors ................................................... 122
Heated rear window ................................................... 123
Group 85 Interior equipment
Power driver’s seat .................................................... 124
Power passenger seat ............................................... 125
Heated seats.............................................................. 126
Massage seats with ventilation .................................. 127
Heated seats second row of seats............................. 128
Group 87 Climate control system
Climate control system, rear ...................................... 129
Climate control system, 5-Cyl. 1:2 ............................. 130
Climate control system 5-Cyl. Diesel & 6-Cyl. 1:2...... 132
Parking heater, auxiliary heater ................................. 134
Parking heater, remote start ...................................... 135
Relay, electric engine heater ..................................... 136
Refrigeration box rear seat ........................................ 137
Group 88 Internal equipment
Remote control garage opening................................. 138
Supplemental restraint system................................... 139
Connectors............................................... 140
Branching points .................................... 164
Cable harness routine in vehicle
Harness engine, 5-Cyl. Turbo 2.5l ..............................173
Engine harness Gasoline 6-Cyl. .................................174
Engine harness 5-Cyl. Diesel......................................174
Engine compartment harness LHD.............................175
Engine compartment harness RHD ............................176
Harness passenger compartment LHD.......................177
Harness passenger compartment RHD ......................178
Cargo compartment harness ......................................179
Roof harness...............................................................180
Tailgate harness .........................................................180
Harness doors.............................................................181
Executive harnesses...................................................182
Component illustrations ......................... 183
Index 1:2 ................................................... 232
List of components 1:7 ........................... 234
Table of Contents 2:2

TP 39261202 XC90 2014 5
Explanations & Abbreviations
Groups
Group 26 = Cooling system
Group 27 = Engine controls
Group 28 = Ignition and control system
Group 32 = Alternator and voltage regulator
Group 33 = Starting system
Group 35 = Lighting
Group 36 = Additional electrical equipment
Group 37 = Wiring and fuses
Group 38 = Instruments
Group 39 = Other
Group 43 = Transmission
Group 59 = Brake system
Group 64 = Steering
Group 83 = Doors and openings
Group 84 = Exterior decorative elements, etc.
Group 85 = Interior equipment
Group 87 = Climate control system
Group 88 = Internal equipment
Ignition switch symbols
X = Accessories (audio position)
S = Powered upon insertion of key
15 = Contact remains connected during
start
15l = Contact is broken while starting
30 = Constant power from the battery
50 = Start
Countries/Markets
A = Austria
AUS = Australia
B = Belgium
CDN = Canada
CH = Switzerland
D = Germany
DK = Denmark
E = Spain
EU/OS = Markets outside USA and Canada
FIN = Finland
GB = Great Britain
ISR = Israel
J = Japan
KOR = Korea
N = Norway
NL = Netherlands
S = Sweden
USA = United States of America
WEU = Western Europe
Other
ABL = Active Dual Xenon headlights
ACC = Accessories
Ag = Silver plated
Au = Gold plated
AUDIO = Audio system
AUTO = Automatic transmission
BLIS = Blind spot information system
CEM = Central Electronic Module
DIESEL = 15D, 5-Cyl. D
DRL = Daytime Running Lights
DSTC = Dynamic Stability and Traction Con-
trol
Du-X = Dual Xenon
ECC = Electronic climate control system
ECPS = Electronic power steering
EXC = Exclusive
EXT. D = Extended electrical distribution
HISPEED = High speed data bus
LH = Left-hand side
LHD = Left-hand drive
LOSPEED = Low speed data bus
MAN = Manual transmission
MCC = Manual Climate Control
PCL = Power Child Lock
PETROL = Gasoline
REM = Rear Electronic Module
RH = Right-hand side
RHD = Right-hand drive
RTI = Road Traffic Information
SRS = Airbag
T = Turbocharged engine
W/O = Without
5CYL = 5-cylinder engine
6CYL = 6-cylinder engine
Colors
BL = Blue
BN = Brown
GN = Green
GR = Gray
NL = Natural
LBL = Light Blue
LGN = Light Green
OR = Orange
P = Pink
R = Red
SB = Black
VO = Violet
W = White
Y = Yellow

TP 39261202 XC90 2014 6
The descriptions below apply in general
to all wiring diagram manuals, although
not all sections are necessarily
contained in this manual.
The systems are shown in non-active
status.i.e. with "key removed" and when
the doors, hatches and hood are closed.
How to use the wiring diagrams 1:2
A. Component designation
Every component has a component designation that
consists of two parts.
The first part is a type number that describes the
type of component in question, for example 3/xx.
The second part of the designation is a serial num-
ber, e.g. x/2.
Together, this constitutes a component designation,
e.g. 3/2.
At the end of the manual is a list of components,
where, with the help of the component designation,
you can read off the name of the component, for
example, 3/2 = light switch.
List of type numbers
The list shows which type of component that respec-
tive type numbers refer to, for example, 3/x = switch,
6/x = electric motor, etc.
1 Battery
2 Relay
3 Switch
4 Control module
5 Driver information module
6 Electric motor
7 Sensor
8 Actuator
9 Heating element
10 Light
11 Fuse
15 Electrical distribution rail/box
16 Audio
17 Service/diagnostics
18 Contact reel
19 Meter
20 Ignition component/shunt
26 Converter
27 Optics
31 Ground connection
53 Branching point
54 Connector
B. Branching points
The wiring diagrams contain numbered branching
points, e.g. 53/352.
This manual contains a section with a list of branch-
ing points. This list shows all the components that
are connected to each branching point.
The location of the branching points is shown in the
"Cable harness routing in vehicle" section.
C. Connectors
Connectors provide a bridge between two cable har-
nesses and are described in the "Connectors" sec-
tion.
D. Electrical distribution
Operation of the fuses and relays is shown in the
"Electrical distribution" section.
E. Data communication
Today’s cars are equipped with CAN, LIN & MOST
networks that transmit information. Connections to
these networks are not shown in their entirety on the
respective wiring diagram. Complete information on
Data communication can be found in the section
entitled "Control modules".
F. Abbreviations
A number of different abbreviations are used in the
manual. These are explained in the section "Abbre-
viations".
G. Component location
There is a section at the end of the manual in which
the appearance and location of components is
described in numerical order.

TP 39261202 XC90 2014 7
How to use the wiring diagrams 2:2
List of symbols
= System voltage
= Ground connection via wiring
= Ground connection in compo-
nent/chassis
= Screened wire
= Junction point
= Twisted cable
= Electrical connection
= Variant
= CAN communication
= CAN high data signal (CAN
H)
= CAN low data signal (CAN L)
= LIN communication
= LIN communication
= DIN cable, coaxial cable, etc.
= Data communication
= CAN communication
= MOST communication
= MOST communication
= Connection with distribution
box
= Further connection to...
= Connector between cable
harnesses
= Connector connected in com-
ponent

TP 39261202 XC90 2014 8
R-W
R-W
R-SB
GN-Y
R-W
R-W
R
R
R
R-W
GN-OR
BL-R
BL-R
BL-R
BL
GN-OR
BL-R
R
SB
R
R
R
Y
Y
BL
R
RR
123
11A/1
54/1C
2
1
11A/2
2
1
11A/3
2
1
B
11A/4
2
1
11A/5
2
1
11B/1
2
1
11B/2
2
1
11B/3
2
1
11B/4
2
1
11B/5
2
1
11B/6
2
1
11B/7
2
1
11B/8
2
1
11B/9
2
1
11B/10
2
1
11B/11
2
1
11B/12
2
1
11B/13
2
1
11B/14
2
1
11B/15
2
1
11B/16
2
1
11B/17
2
1
11B/18
2
1
11B/19
2
1
11B/20
2
1
11B/21
2
1
5(87)2(85)
3(30)1(86)
FMA2
15/31
A1 A1 A1
5(87)2(85)
4
1
2
35
3(30)1(86)
FST1
2/90
6/1
4(87a) 5(87)2(85)
4
1
2
35
3(30)1(86)
FST2
2/91
4(87a) 5(87)2(85)
4
1
1
2
2
35
3(30)1(86)
FST3
2/182
4(87a)
5(87)2(85)
4
1
2
3
3(30)1(86)
FMA3
2/32
5(87)2(85)
4
1
2
3
3(30)1(86)
FMA1
2/35
5(87)2(85)
4
1
2
3
3(30)1(86)
FMI2
2/22
17/17
4/46B:29
5
GR 54/1B:6
GN-R 54/1B:8
BL-OR 4/46B:44
GN-W
R-W
6CYL
PETROL
PETROL
DIESEL
DIESEL
DIESEL
DIESEL
DIESEL
4/46B:32
GR-SB
GR
4/56C:25
53/331
4/56C:4
GN-SB
6/104:1
Y
Y
6/1
Y
4/56C:3
GN-OR
Y-W
4/46B:42
4/46
B:9
4/46B:11
Y-W
4/46B:27
DCFGE
53/305
6 CYL
BL-OR
GN-Y
GN-Y
1
4(87a)
BL-GN
6 CYL
4/46B:10
DIESEL
DIESEL
6 CYL
4/109:11
A
R
R
11L/1
54/146 1
R4/71:2
GN-GR
BL-R 4/56B:1
6/114:1
R-W
SB 8/84:1
5(87)2(85)
4
1
2
3
3(30)1(86)
FMI1
2/133
5
4(87a)
I03315
Electrical distribution 1:2
Overview

TP 39261202 XC90 2014 9
2
R
R
R
BL-R
4/9B:27/55
53/408
4
3/1
R-SB
X
30
5
S
37
50
6
15
8
1
15 15I 16/65:1
BL-R
53/443 BL-R 4/9B:28/56
3/157:2
1
11E
67
2
45
22
23
22
1
F1-38
D:16
B:2
B:24
B:3
B:16
D:15
D:60
4/56
CEM
D:8
CAN
1/1
12V
+
SB
SB
-
31/53
VO
VO
BL-R
2
C:13
C:14
REM
54/40D
2
VO VO
C:13
D:50
D:35
LIN
BL-R
Y
Y-W
C:14
3/157:1
1
E:A
E:B
A:23
R
R
R
R
R
Y-R
K:1
A:13
ABCDEF G
BL
BL
R-W
BL-R
R
A:29
54/40C 12
F3, 5-10,
17-23,
31-32 ,34
F1-2, 1
F29
1,
13-16,
26-30, 33
CAN
LIN
R
R
R
11C/1111C/1
11
11C/2
22
11C/4
11
11C/3
1
11C/5
222
11C/8
1
11C/6
11
11C/7
222
1
11C/9
11
11C/10
222
11C/1311C/12
11
22
53/415
R
R
R
53/403
11C/14
1
2
R R R
DIESEL
53/3009 RR
R
ACM
A:1
6/26
B+
31
G
LIN
1
6/25
31
M
30
4/58
I03316
Electrical distribution 2:2
Overview

TP 39261202 XC90 2014 10
11A Fuses in the engine compartment
No. Fuse function via A
1 4/109 Glow plug control unit (GCU)
20/22-26 Glow plug
-
4/109
60
2 4/71 Cooling fan control module
6/29 Motor, electric cooling fan
-
4/71 60
3- --
4- --
5- --
Fuses
Engine compartment 11A/1-5