Volvo VN, VHD Service Manual
f'
,
Service
Manual
Trucks
Group 370-500
Circuit and
Wiring Numbers
VN,
VHD
'iri
rIn
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lr
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PV776-TSP145180
\zoullro
Foreword
The descriptions and service
and methods studies cariod
signs
products
The
after the abore date
When this
vice bulletins
The new edition d
ln service
ence to an
Service
eral inbrmalirr ad
The
blbrrlrg l6€b
Documentdin:
]lob: Indcabe a
have
tfie
Cautbn:
Wemlngr hdces
prcduct
Dangec hdcales
cur.
are under
is
believ€d b
will
proceduc
S.R.T.
procodrc
v€l*to d @tnponent
Indcabe an
o.5 er.
contirnE An|opment
rray thel*le
haue a obnificant
be issued b ooor
rsrrd
Ots
whete |ho lide
(Sgr<hd
do
u,l*$
rp r*rcnco
of obsenations,
pt@dure,
unsafu
unsab
an
an unsafe
procedre
wil
Repair
not indud€
b
practice,
funaion
practice
practice
practice
@ntain€d
qn
tp b Arglrst 00.
havs dhtstt speancaions
beadng
the cfiangps.
ctnnges.
Wdate
the
incorporates
Time).
an operation
made to
cautions
where serious
an S.R.T.
and
or condition
in
manner
the
where damage to the
personal
where
h thb manml are
VbhiJG and components
m thb
an operation
warnings are used
that
manual,
number
must be blloryed in order to
intended.
injury or severe damage
personal
in
product
iniury or death
based on de-
and rcpair
suppbmentary
number,
this b a
the tiile are
in
this Service
could occur.
methods.
produced
ser-
rebr-
gpn-
br
to the
could oc-
Volvo Trucks
Order
Trucks North America,
Volvo
@ 0o
part
All rights reserved.
j
retrieval system,
chanical,
permission
,
photocopying,
of Volvo
No
or transmitted
recording or othenrvise,
Trucks
North
Greensboro.
number:
puuication
of this
in any
North America,
Amerlca, Inc.
NC USA
PV77&TSP1/I5180
Inc., Greensboro,
may be
forms by any means, electronic,
without the
Inc..
NC
USA
reproduced,
prior
stored
written
in
me-
General
Circuit
Number
Wiring
and
Circuit
Cable
and
Wire
Color
Wire
Electronic
Sufiixes
Circuit
Groups
Circuit
Definitions
Speciffcations
Circuit
Numbers
Bodybuilder
Ground
0:
Primary
1-19:
2H29:Folarity
3049:
5049:
70-89:
90-109:
Headlamps
Marker
StoP
Tailand
110-129:
130-139:
14O-149:
15O-179:
180-219:
%(.;2iy,:Cab
2&2K9:lgrriliin
2fi/-:279:l'lorns
280-299:
300-309:
310429:
330-339:
340-349:
35f359:
360-369:
37f379:
380-389:
390-399:
400-409:
410*419:
420459:lndicator
460-489:
490-499:
500-549:
550-599:
600439:
680499:
700-709:
71H719:Door
72Gi729:Safety
730-799:
800-850:
900-910:
950.959:Protected"BranchConnectofCircuitFeeds'.............'...28
Contents
""""'
Index
Numbers
Number
Sub'system
"""""""
Circuits
Poruer
LamPs
Tum
S€condary
Insnn'rnont
t*"f
Instrutnents
Sfarter
Compressor
Transmission
PowerSeat
PowerVent
Power
Starting
Cigar
Windshield
Electric
Oia$ostics
Back-up
Rear
Radio
Miscellaneous
Engine
Engine
ni'
Heated
Anti-lock
O*t"ti"
Detroit
Circuit
Reversing
and
Clearance
and
Farking
Sigrral
Lamps
Lamps
Ot'ft*t"r
l'k*r
""""
Window
Aids
Ughter
Fuel
Lamps
Lamps
Axle
""""
Electronics
Controls
CoiJitioning
Mirrors
Locks
anO
Diesel
Marking
Numbers
Circuits
Lamps
Fog
Lamps
Lamps
Lamps
Air
and
Cludl
"""""
"""""
"""""'
""""""""
Wiper
(ABS)
Transmission
""""
Pump
Gonrol
and
Lamps
Control
Warning
Control
Feeds
Systems
Conditioner
Wiring
""""""""'
""""""""""
"""""
"""""""""""""
""""""'
""""'
"""""""""""'
"""""""""""
""""""""""""'
"""""""
"""""""'
""""""""""""'
"""""""
"""""
""""""'
""""""
"""""
""""""""""""
""""""'
""""""
"""""""""
"""""""""'
"""""""""'
""""
""""'
""""""
""""""""'
"""""'
""""""""'
""""""""'
""""""""""
""""""""""
"""""""""""'
""""""""'
"""""'
""""""
"""""""""
"""""""""""'
"""""""""""
""""""
"""""'
""""""'
"""""""""
"""""""""""
"""""""""
""""""""""""
""""""""""'
"""""""
"""""""'
"""'
"""""
"""""
"""""
3
3
3
3
3
4
10
J
4
5
6
7
7
7
7
8
I
9
10
10
11
11
11
12
12
14
14
14
14
14
15
15
16
16
16
16
17
17
17
18
18
18
19
19
20
22
24
24
24
24
25
26
28
o
970-979: Inverter
990-999:
Feedbad<
Auxiliary
Circuits
................24
.....................
29
Grcup 37 Orcuil
Writg Mn$ers
and
General
General
Circuit
Circuit
Wire and
wire and
All
Gauge)
numbeF are
circuit
inches
three
length of
the circuit
(e.9.
multiple conductor
will be applied
terminal
Number
and
Cable
cable smaller
imprinted
is
(50
the wire or
number on the
one to
or end
of cable.
Wire Color
Allwire used
Note:
polyethylene
Jl128.
dad
BLACK
WHITE
RED
insulation
Index
Wiring
Number
than 0
with circuit and
imprinted repeatedly
75 mm) horizontally
to
cable. In cases
wire
cable) circuit
two inches
vehicle has a cross{inked
in the
(XLPE).
power
Fused
Ground
Unfused
battery
AWG
cable
or
(25
lt complies
and
Numbers
Marking
(American
wire numbers.
every two
along the entire
imprinting of
when
is not
number markers
mm) from the
to 50
to
signal
Wire
practical
SAE
L
The
to
stan-
MULTI.
COLOR
Wire harnesses
faces to some oomponents;
multi-colored wires varies by oomponent.
may
be usod as
inter-
definitirn
of
L
Group
37 Circuit and
Wiring Numbers General
Electronic
The.ga,ased use of electronic subsystems ttas caused
tnq
fraion
whLlrld conflict
For
bers.
Volvo Transformer-Rectifier System Volbneter
Feed or Cummins
flict and still reAin the vendor circuit numbors, a
has been added to the
This
subsystem.
2Og
C2Og
Note: The
Volvo-supplied
with
controlled
system explained h
cuit
the component manubctrrf
For inbrmation
"Definitions"
example,
prefix
their own widng ]ramecc
numberc/colcrs
Sub-system Circuit
vendor
of
with
the existing Voho circuit rum-
circuit number 209 ean
Pace Tachometer.
vendor
will ldentify
For example
prefix
wiring
diesel enghos, d rU&tr
on tenrr
page
the circuit as a
circuit 209
Volvo
circuit
Cummins circuit
added b
harnc.
trb nsrd.
o w&r#d@fiponents,
d &lbrc
6.
identilitptinn numberc
circuit
circuit rxrr$ots.
wn& del cfy
OQcris
tdr r dcctonbdy
fcffidbn
ffi
To aw*l0is s>
wn&r
rivotld
brdrre.
Numbers
be oihor
frdhp'
pldu
Cectonb
nfrd
be
rylles
come
lhat
rumbering
of
see
as:
to
cirsee
ffit llertrr
A
B
c
D
E
L
M
P
o
T
V
Allison
Caterpi!lar
Cummins
Detroit Diesel
VDO
Delphi Delco
Meritor
Delphi Packard Electronics
Qualcomm
Eaton Bosch EBS
Eaton VORAD
l
Electronics
The table
soor rvendor.
(seetaHe pagB
rt
Clrcuit Suffixes
Design of
cuit
circuit 0 requires
those branch circuib
text that appearc
to the function
Circuits functionaly
ten
withod
main
vehicle
ship does not imply
branch circrls
may
contain a hl4hil-d
a sploe
dtor
cf
the ciqt
created icr new
tryphended
a
altemator
ground).
groud)
Please
may
$e al|bc
tobd
desiglrs.
6rahr
electical continuity.
4)
b
FSGs
H clghae
rfix.
b
b rehed
n6 ttd a
two
ad
bc bbefed
separator
grd
b herefore
a
b
liwn
Th6e circuits
For example,
and
from a base
For example,
branch
fA
does
base circuit
to circuit
functional
the cone-
circuits,
and fB.
not
not listed.
appear
circuit
(the
0
relation-
cir-
if
apply
are of-
0A
main
then
The
(the
Grcup
37 Circuit
and Wiring
Numbers General
Circuit
"Bodybuilder
'0:
Ground"
"1-19:
2f29:
3f49:
"50{9:
'7F89:
'9f109:
"110-129:
"130-139:
'14f149:
'15f179:
12
"18f219:
22r.239: Cab
24r.259:
260-279. Horns"
"28r.299:.
Groups
Circults"
page
Primary
Polarity Reversing
Headlamps
Marker
Stop Lamps"
Tailand Parking Lamps"
Turn Signal Lamps'
Secondary
Instrument Lamps"
Heater, Defroster and
Instruments"
Hoisf,
lgnition'
Startef
page
7
7
and
page
Lamps"
page
page
page
page
page
8
Circuits"
Fog Lamps"
10
page
12
14
1 4
14
14
Poref
and Clearance
page
Lamps"
page
page
page
11
page
11
Air
9
page
9
page
10
10
11
Conditionef
page
page
24
page
18
18
page
20
22
24
page
page
page
%0f409:
"410419:Back-up
"420459:
"460-489:
"49O-499:
'5(X}-&[9:
"55f599:
"600{39:
"680{99:
"70f709:
"71V719:
"720-729:.
"730-799:
"8OO-850:
"900-910:
950-959: Protected'Branch Connectof
page
1970-979:
Diagnostics and Control"
Lamps"
Indicator
Rear
Radkf
Miscellaneous
Engine Electronics"
Engine
Air
Heated Mirrors"
Door Locks"
Safety and Warning Systems"
Anti-lock
Automatic Transmission'
Detroit Diesel Feeds"
28
Invertef
lamps"
Axle"
page
Controls"
Conditioning
(ABS)
page
page
page
page
18
19
lamps"
page
ControlWiring"
page
page
Control"
28
19
28
17
L--,
page
page
25
26
Circuit
24
24
Feeds"
30O-309: Compressor
31f329:
'33f339:
'34G-349:
"35O-359:
"36f369:
"370479:
38f389:
39f399:
Transmission'
Power Seaf
PowerVenf
Window
Power
Starting
Gigar
Windshield Wipef
Electric Fuel Pump"
Aids"
Lightef
Clutch"
page
page
15
page
16
"
page
page
page
page
page
15
16
16
16
page
17
14
17
39O-999:
Auxiliary
Circuits"
page
29
Definitions
APA:A^
r,[ I nostic
Air
Sysrem;
Conditioning
System
(or
protection
A/C
Di{lgnostic-_y
And
General
DiaoF
ATC
ATC
CAN
DLO
DRL
ECU
EECU
EMS
EOL
EpL
HVAC
lSi,UlSX
J1s87lJ1Zo|
,t\_||
NC
NO
PTO
SAE
SRS
VECU
Automatic
TCS
Automatic
Controller
with
Differential
Daytime
Electronic
Engine
Engine
End
Of
Eaton
HearingAbrffoilllOondtining
Cummins
Data
Hish-spe€d
Normafly
Normafy
Foner
Sodety
Supplemertal
Vehirje
Traction
or
traction
Temp
Area
Jl939
Running
Confrol
Etecto*:
Man{lrr|*n
Lire
proprbEy
Efi.fh.
Unk
h rn(
Cb-
eo
T&{l
d
fubrdr,€
Electq*:
oontol
Contol
l,letiqk
data
tink)
Lock
Out
Lifrtc
l.lfl
Cfil
tt
Rertrairt
Contot
Conrot (abo
Engineerc
System (Airbag)
qfsbml
calod
(aq*td
tffi
\r
Unit
-t
Group 37 Circuit and Wiring Numbers
Specifications
Specifications
Circuit
Bodybuilder
A312CM PTO-Common
A312NC
A312NO PTO - Normally
A314CM Auto NeutralA314NC Auto Neutral- Normally
A314NO Auto Neutral- Normally
BAT 12-Volt Battery
BATT
IGN lgnition
NEU
Numbers
Circuits
PTO - Normally
12-Vott
12-Voh NeutralStart Feed
Battery
Feed
Closed
Open
Common
0: Ground
ABS
Antilock
Brake Sysiem Gound OR Relay/Solenoid
Closed
Open
0.J
0L
0M
OMA
OMB
ONV
0P Panel-
OPA Priming
o
HVAC lamp
r
Lift Axle
Lighter
Marker
Marker and Turn
Marker
Inverter Power
-
Cigar
Turn
and
and Turn Signal- Right Hand
Ground
Instruments
Pump
Supply
tsx)
OPB Park Brake
OPP Pump Pressure
OPTO PTO
Ground
Ground
Ground
Signal
Signal- Left Hand
Return
(Cummins
0
Engine or Main Grcund
0A Alternator
VOA VORAD
Front Antenna
0B Bloryer - Heater
VOB VORAD
0C Console
rcG
VOC VORAD
0D
0E Exhaust Brake
OEP
0F Fuel
OG
oGA Snorr
OGB
OGS
0H Headlamp
VORAD Power
play
DifferentialLockout
Power
Windshield
Snow
Snou
Driver
(Accessories)
Side Sensor/Side Sensor Dis-
Ground
Tiake-Off
WiperM/asher
plortr
Lamp
Plovrr
Lamp
Plow Lamp
Display
Ground
-
Right Hand
-
Left Hand
b Cab
Grcund
Grcund
0S Speedometer
o
0T
Trailer
o
CentralTire Inflation
OV Starting Aid
OVA
OVB Ether Start Sensor Ground
OW
0X
OXA
OXB
OXC Cab Electronic Ground
OXE
0Y Automatic Transmission Ground
OYA Automatic
OYB Automatic
OZ
Overcrank
Jumper
Waming
Kysor)
Electronic Ground
Cluster
SRS ECU Electronic Ground
ECU Electronic Ground
Protec{ion
System
Electronic
Transmission ECU
Transmission
Diagnostic Ground
(OCP)
(Air,
Oil, Water, Wiper,
Ground
(BAT-)
ECU
Ground
Ground
t
l
{,
OHS Headlamp
Group 37 Circuit and
Wring
Numbers
Specifications
1-19: Primary Power
1
./tr
^
to\t
1AD
1B
1C
1D
1P
1PA
lPB
lPC
lPD
2
3
.(J|t
6
7
Cab Unswitched Battery
,"#Hji:y*hed
lcon Thermostat
Cab Unswitched Battery Feed b Tum
Signal
Cab Unswitched
Cab Unswitched
Fuse
12 Vott Battery
12 Volt
12 Volt Battery
12
12 Volt
Ammeterb
Voltage
Generabr
Reguldor
Genersr
Voltago
Srpply
VoltagB
to Recffier
Alternabr
Maxi Fuse
Fuse
Battery
Volt Battery
Bdery
Cht Boalors,
Re$ffrq
Amntr€ b
Fb5
neqf-r
negier'Armature"
b Rectifier
Feed
Battery Feed to rsni-
Fower
Bafiery Feod b ltlal(i
Bafiery Fo€d b l{axi
Plfiectin
hclion
PtGcdqr
hcton
bdfn
Switches,
Eb.
\loltage
(F1)
lgnitlrn" Terminal
Terminal
15
16
17
174
17AA
178
17BB
17C
17D
17E
17F
17FB
17FF
17NV
18
184
188
18C
18D
Alternator
Feed
Alternator
lgnition
to Regulator
lgnition
"No
Charge" Resistor
"No
Charge" lamp
Feed
Unswitched Battery
EECU
Unswitched Battery
Fused'17A'
Feed
EECU Unswitched
Feed
to EECU
Battery
Fused'178' Feed
EECU
Unswitched
EECU
Unswitched
Antilock
Brake System
Battery Feed
Battery Feed
Unsvvitched
Battery Feed
Electronic Engine
Feed
to Transmission
Transmission-generated
Fused'17F
lnverter
Electronic
Unswitched Battery Poarer Feed
Engine Switched
Unswitched
(non-Volvo)
Battery Feed
Feed
Feed
Switched Battery
Switched Battery Feed to
Elec'tronic
Feed
Electronic
Feed
Engine Switched Battery
to Circuit Protection
Engine
to Throtte Pedal
Feed to EECU
EECU
Switched
Feed
Feed
Battery
Battery
Battery
8
I
10
11
12
13
14
14A
1.\t
Lod Babry b Alternator
S€lf toa&Un*ling Alternator to
Regul&r
? Terminal
Gener&r Firld
Relay
Recnifier to Voltage
(Sensing)
(F2)
Regulator
(lgnition)
Alternator
Altemator
Alternator
Altemator
Alternator'No
Auxiliary
Ammeter
to
to Start Battery
"No
Charge" lamp
Reguldor
Charge" lamp
Relay
Voltage
Feed from
Feed from
18E
18G
18V
18X
18Y
19
Electronic
Feed
Electronic
Feed
Electronic
Feed
Electronic
Feed
Electronic
Feed to
Afternator
Engine Switched Battery
to
EECU
Engine
to
Geabox
Engine
to VECU
Engine
to EMS
Engine
EMS
"R"
Switched Battery
Switched Battery
Switched Battery
"A"
Supply
Switched Battery
"B'Supply
Terminal Signal
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