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2004 scion xb Overall Electrical Wiring Diagram
Citation preview
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 43 421
2
1 xB
A3A4
1
2
60A M
AIN
W-R
W- L
W-L
W-R
B-L
B-G
7 1A
1 1O
1
15A A
M2
120A ALT
1
AM25 6
2AM1
ST2
IG2
IG1
ACC
1
1O8
1C1
2
1
1
30A ST
40A A
M1
B1
B
B- Y
B
IG
M
B1
A2
A3
L
A1
1O4
1E5
6 1O 1G8
4 IF1
2
1
3
5
1 1
1
5 EA1
1 B1A
1
EB
1E6 1A3
1O7
2 EA1
11 EA1
ED Engine Block
1
B
W-B
B-Y
B-YB-Y
B-R
B-R
G-R
B-R
G-B
B-R
G-O
B-R
G-Y
Y
W-B
W-B
W-B
Y Y
W-B
W-B
Y
B-RB
-R
YY
R-B
B
B
B B- R
B-R
Y Y
W W- B
B- R B- R B- R
B- W
B-W
B- Y
B- Y
B- R
R- B
L
G-B L
L
B- R
B
Battery
B-R
STRelay
4
(M/T )
B- Y
(A/T )
(A/T ) (M/T)
P
N
1 3 1 3 1 3 1 3
4 2 4 2 4 2 4 2
Engine Control Module<2- 9>
Engine Control Module<2- 9>
Engine Control
Module<
2-8>
PTC A
mplifier
<18-4>
10A G
AU
GE
B-Y
9
6
1
P ow er S ource Sta rting and Ignition C harging
13 IF1
2
1
11 IF1 9 IF1
Y
B(A
/T )B
(A/T )
B EngineControlModule<2- 8>
B-Y(M
/T )
B-Y
(A/T )
B- Y(M/T)
W-B
W- B
B
(A/T)
B(M
/T )
Engine ControlModule<2- 8>
Front LeftFender Apron
12 EA1
B(M/T)
B-Y
(M/T )
15 EA1
Charge
F 8 (A), F 9 (B )
C 5
A 3
40
16
C 6
I 2 I 3 I 4 I 5
N 1
I10
Park/N
eutralP
osition SW
Clutch S
tart SW
Com
bination Meter
Fusible Link Block
Generator
Ignition Coil and
Igniter No. 1
Ignition Coil and
Igniter No. 2
Ignition Coil and
Igniter No. 3
Ignition Coil and
Igniter No. 4
Ignition SW
Noise Filter
(Ignition )
Starter
G 1(A), G 2(B)
S 4 (A), S
5 (B)
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
2 x
B
12 60A MAIN
43
W- R W- R B- L
B- G
71A
11O 1
15A AM2
120A ALT
1
AM
25
6
ST2IG2
1C1Po
we
r S
ou
rce
En
gin
e C
on
tro
l
2 121
35
1
15A EFI
11
11
1O6
1A3
EB
Fron
t Lef
tFe
nder
Apr
on
111A
21
51O
Rea
r Qua
rter
Pane
l Inn
er L
HBJ54 M
86
1T9
1H1H
EA
14
61K
41P
7. 5A OBD
W- B
3
W- B
B- Y
B-Y
5
B
B-RY-B
Y-RB-Y
B-R Y-G B-R
G-R B
W- R
B- R
B
W- B
G- R
B- R
Y- G
BRY- R
Y- B
B- R
B- R
B-Y B
-Y
EFI Relay
C/O
PNR
elay
A B C D E F G H I
( Con
t. n
ext
page
)
JW
-RB
atte
ry
Water Temp. Cool
Water Temp. Hot
1G8
B- R
B- R
MalfunctionIndicator Lamp
F 8
I10
1
F14
B-R
N 3
403
2
C 6
2021
B- R
Com
bina
tion
Met
er
Fusi
ble
Link
Blo
ck
Fuel Pump
Igni
tion
SW
Noise Filter(Fuel Pump)
IFIn
stru
men
t Pan
elB
race
LH
2005 SC
ION
xB (E
WD
579U)
M
5 6 7 8
2 xB (Cont’ d)
1 IF1
1
2 2
1
2
1
2
1
1 C 2 C 3 C 4 C
14 IA1
3 A28 B3 B
1 A 10 A
2
1
12 C 23 D 21 D 4 B 5 C4 D
4 1D
A11
I
H
G
F
E
D
C
B
A
B- R
G- R
B
B- R
Y- B
Y- R
B- Y
B- R
B- R B- R
BR BR
B
B
B
BR
BR
B
W-G
G-R
B-R
Y-G
B-L
B-W
B-Y
B-O
B-Y
Y-R
Y-B
B-Y
B-R
B-R
B-R
B-R
B-R
B
W-L
B-R
B
B-R
4 2 4 2 2 3
3 1 3 1 1
BBB
(*1 )
(*1 )
(*1)
19 B
(Cont. next page)
G-W
Stop Light SW
<9-3>
2 A
L-BM
ax Hot S
W<
18-2>
17 B
V-W
Com
bination Meter<
16-3>
20 D
LG
enerator<1-4>
8 D
BIgnition SW
<1-2>
9 D
B-Y
Clutch S
tart SW(M
/T )<1-2>
(A/T )
E ngine C on trol
20 A
1O2
17 1P
W-B
W-B
4
CG
1H12
1P5
7
1P3
1H14
13
P-B
P-B
16
BAT
J
Y- G
B- R
G- R
B
W- R
W-R
P-B
SIL TCAirbag SensorAssembly<14- 3>
D
(*1)C
BB
BR
1 B
P-B
SG
5
BR
1P7
1 1E
EC Engine BlockLeft KickPanel
IE
TAC
B
9
A5 18 A
1 IB1
2
1
6 IB1
LL
B-R
B W
ABR
2 IF2
B
14 IF2 13 IF2
BR
B-R
1 IF2
(*1 )
(*1 )
B-R
(*1)
1B51D1
WWAirbag S
ensorAssem
bly<14-3>
Skid C
ontrol EC
Uw
ith Actuator<
13-5>
WW
OX HT
E1 +B
OX HT
E1 +B
DUTY
VISC GND
TC TACH SIL CCV COOL HOT BATT
W +B FC PRG OXL1 HTL OXL2 HTL2 RSD
#1 #2 #3 #4 STA NSW ALT SPD MHSW STP
BB
* 1 : Shielded
19 A
WFSE
BR
15
WFSE
R
W
R
PTC
Amplifier
<18-4>
Com
binationM
eter<16-3>
15 IF1
C B C B
A A A A
J 6 (A), J 7 (B )
B
BR
E E
Skid Control ECUwith Actuator<13- 5>
CANL
W
14
CANH
B
6
E
J 4
Steering Sensor<13- 11> R
D 1
V 1
I 1H 7
H 3
E(*1)
E 3(A), E 4(B), E 5(C), E 6(D)
V 4
Park/N
eutral Position SW
(A/T )<
1-2>
I 6 I 7 I 8 I 9
Engine Control Module
Heated O
xygen Sensor
(Bank 1 Sensor 1 )
Heated O
xygen Sensor
(Bank 1 Sensor 2 )
Idle Air C
ontrol Valve
Injector No. 1
Injector No. 2
Injector No. 3
Injector No. 4
JunctionConnector
JunctionC
onnector
VSV
(EV
AP)
VS
V(C
anister Closed
Valve )
Data LinkConnector 3
TS
R-L
12
Skid C
ontrol EC
Uw
ith Actuator<
13-5>
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
91
11
210
2 x
B (
Con
t’d)
32C
20D
24D
2 1
26C
ED
6C
5D
7C
28C
21C
18C
1
29D
2
19C
BRBR
BR
BR
Y- B
V
P
BR
BR
BR
BR
BR
B
Y- R
R- W R- W
R- LBR
BR BR
B
BR( *1)
1
31
32
B
42
35
21
B
(*1)
C D
21
15C
14C
R- Y
R- B
R- B
A6
Igni
tion
Coi
l and
Igni
ters
<1-
3><
1-4>
A
En
gin
e C
on
tro
l
7B
31C
23C
8
G- Y
G- O
C9
G- B
C10
G- R
Y
C11
4IA
2 L- W
A12
L- WHTR SUB1 Relay<18- 4>
VC
VOU
T
GN
D
28D
BR
BR
B
BRA
21A
2IB
15
IB1
4IB
1
7IF
2
23
B
R- WR- W
B
BRBR
1
R-W
BR
BR
* 1
: Shi
elde
d
THA
E2G
VG
E2
+B
ELS
IGT4
IGT3
IGT2
IGT1
IGF
AC
FAN
CF
OC
V+O
CV
-P
TNK
G2
E01
E02
E03
THA
EVG
VG
EC
VTA
VCPS
PTH
WE
2
BR R- W
Y
BR
BR
W
EB
1
W
( *1)
( *1)
(*1)
W
W
O
W
BR
BR1
7D
C34
C27
1 2
1
1D
E1K
NK1
NE
NE-
14A
F/P
S
D7
E1
B
(*1)
Airbag SensorAssembly<14- 3>
IF28
BR
B32
C13
B2 M
GV
HP
THR
B22
RD
EF
Air
Con
ditio
ning
Sys
tem
<19
-3>
<19
-4>
A31
A25
A30
A24
A17
V
LG- B
LG- R
GR- R
L- B
Ski
d C
ontro
l EC
Uw
ith A
ctua
tor<
13-4
>
NE
OE
NG
+EN
G-
TRC
+TR
C-
( *1)
E
EC
BR
Engi
ne B
lock
Eng
ine
Bloc
k
E 2
P 1
T 1
C 2
V 3
K 1
C 1
M 1
E 3
( A) ,
E 4(
B) ,
E 5(
C) ,
E 6
( D)
BR
B
BR B
W
BR
Camshaft PositionSensor
Camshaft Timing OilControl Valve
Crankshaft PositionSensor
Engine Coolant Temp. Sensor
Eng
ine
Con
trol M
odul
e
Knock Sensor(Bank 1)
Mass Air FlowMeter
Power Steering OilPressure Sensor
Throttle PositionSensor
Vapor Pressure Sensor
C 3
PTN
KV
CC
GN
D
BR
E2 VCVT
A
2005 SCION xB (EWD579U)
Memo
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
3 x
B
12 60A MAIN
43
W- RW-L
W- L
W- R B- L
B- G
71A
11O 1
15A AM2
120A ALT
1
AM
25
62A
M1
ST2IG2
IG1
AC
C
1
1O8
1C1
Po
we
r S
ou
rce
Ele
ctr
on
ica
lly C
on
tro
lled
Tra
ns
mis
sio
n a
nd
A/T
In
dic
ato
r
2 121
35
1
15A EFI
11
11
1O6
1A3
EB
Fron
t Lef
tFe
nder
Apr
on
1H8
1A11
1A
15D
D14
12D
17C
C16
13D
30C
3A
C28
14IA
1
27D
D35
21
7C
6C
5D
EC
Eng
ine
Blo
ck
40A AM1
42 IE1P13
1O2
IF1
56
IF1
19IF
1
11B
9B
8B
10B
1O4 5
1E
10A
GA
UG
E
W- G
W- R
B- R
W- L
W
G
Y- G
BR
BR
BR
BR
BR
BR
W- BW- B
W- B
B- Y
W- B
B- Y
B- R
R
B
R- Y
G- W
G- R
R- W
B
G
G- W
R- W
B- R
BR
R-B
B-Y
B
B-Y
B-YB
-Y
510
23
84
1 6
9D
18C
21C
19C
B-Y
9IF
1
R-B
R- B
EFI Relay
2 1
S1
S2S
TSL
T+S
LT-
SLO
T
W
B
Y
G
LG
O O
GR
E2
17B
A18
A20
19B
8D
7D
BR
D
BR
2829
B
G- B1E3
1E4
1E9
1H4
1G17
1G16
G- R
R- Y
R- W
BR
+BS1
S2
ST
SLT
+SL
T-S
LO
ILE
2
BAT
TN
T+N
T-R
D2
L
E01
E02
E03
E1E
CO
DM
S
Bat
tery
1E2 16
1H
7IF
1 R- Y1G
8
B-R
F 8
E 1
ED
Engi
neBl
ock
I10
Left
Kick
Pan
el
Eng
ine
Con
trol S
yste
m<
2-6>
<2-
8><
2-11
><
2-12
>
THW
VTA
VC
STA
SP
DSI
LTC
STP
NSW
T 2
1G18
1G1
1H6
1H13
8IF
116
IF1
GR
R
G- W
R
R- W
GR
R- Y
G- R
A 3
J 6(A), J 7(B)
E 3
( A) ,
E 4(
B) ,
E 5(
C) E
6( D
)
PL
RL
NL
DL
2LLL
12
75
48
3
RB
A/T Indicator Light SW
Elec
troni
cally
Con
trolle
d Tr
ansm
issi
onSo
leno
id
Eng
ine
Con
trol M
odul
e
Fusi
ble
Link
Blo
ck
Igni
tion
SW
Junction Connector
Turbine Speed Sensor
A 7
G-W
G-R
R-Y GR
R-W R
B7O
DLP
G-O
EB
EA
EA
RR
R
Skid
Con
trol E
CU
with
Act
uato
r<13
-5>
B-R
A B C D E F G H
( Con
t. n
ext
page
)
O/D Main SW
G- O
2005 SC
ION
xB (E
WD
579U)
M
5 6 7 8
3 xB (Cont’ d)
E lec tronically Contro lled Transmiss ion and A /T Indicato r
6 7 8 9 10 11 40
12
O/D
OFF
L2DNRP
IF Instrument PanelBrace LH
21
BR
R-W
GR
R-Y
G-R
G-W
B-R
C 6Combination Meter
G- W
G- R
R- Y
GR
R- W
R
G- O
B- RA
B
C
D
E
F
G
H
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
4 x
B
3
60A MAIN
21
53
OFF Tail
Hea
d
+BT
RF
HE
L
Flas
h
Low
Hig
h
ED
HL
HU
EL
IGR
ight
Kic
kPa
nel
1O2
1M6
1
10A
H-L
P LH
/H
-LP
LO L
H
1
10A
H-L
P R
H/
H-L
P L
O R
H
1
15A
DO
ME
1
12
3
12
3
1A9
1M7
1A8
1B10
1B11
1M5
1F2
1G12
1A4
BB
BA
BA
89
B- L
W- B
W- B
L- YL- Y
B- Y
B- W
B- Y
B- Y
B-L
B-W
B-W
B-W
B-Y
B-W
B- R
B
B
R
B
11
1
22
2
11
Po
we
r S
ou
rce
He
ad
ligh
t
Bat
tery
5IA
2
Door Lock ControlRelay<11- 8>
Ligh
t Con
trol S
WD
imm
er S
W
BB
Beam
Fron
t Fog
Ligh
t SW
<12
-2>
1 14
B-W
IELe
ft K
ick
Pane
l
F 8
H 6
J 6(
A), J
7( B
)
H 1
H 2
C 8
C 6
W- B
Com
bina
tion
Met
erC
ombi
natio
n S
W
Fusi
ble
Link
Blo
ck
Hea
dlig
ht L
HH
eadl
ight
RH
Hea
dlig
ht R
elay
Junc
tion
Con
nect
or
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 43 421
5 xB
120AALT
60AMAIN
43
1C1
B-G
40A A
M1
10A H
AZ
1O8
Battery
1
15A H
OR
N
1
2 1M
B-L
4 1O
1
ACC
IG1AM1 2
10AGAUGE
1M3 1M1
1 1
5 6
LH
RH
G-Y
G-B
8
1J4 1B7 1B6
G-B
EB
W-B
EA
G-Y
W-B
3 2
1
5
1
5
1S8 1T5
G-B
G-Y
BJ
W-B
W-B
1F14 1F9
G-B
G-Y
1O2
Left KickPanel
W-B
W-B
W- B
FLSH Relay
4 1
+B IG EL ER
EHW LL LR
W-L
G-W
B- Y
G- W
2
1
3
5
11
HORNRelay
11
G-W
W-R
4 IA1
1
G-R
P ower S ource T urn S ignal and Hazard W arning L igh t H orn
22
W-B
7
GND
TL TB TR
2
1
IE
G-O
Left KickPanel
IE
6
5 7
W-B
2
3
2
3
W-R
Door Lock
Control R
elay<11-7>
1
G-W
G- W
G-W
W-R
W-R
W- B
C
C
13 18
1G10
1P91H1
G-O
G-O
Door Lock C
ontrolR
elay<11-7>
A
A
C
C
1
2
1
2 S 2
F 5
W-B
W-B
W-B
W-B
G- YG- B A CJ 1
J 1
C 8
R 7
R 8 C
7
H 5
C 6
I12
G-R
1
H 4
I10
G-B
G-Y
BK Rear QuarterPanel Inner RH
W- B
C
Front LeftFender Apron
Front RightFender Apron
J 4
CombinationMeter
Com
bination SW
Combination SW
Front Turn Signal Light
LH Front Turn Signal Light R
H
Horn (H
igh )
Horn (Low
)
Ignition SW
JunctionC
onnector
JunctionC
onnector
JunctionC
onnector
Rear C
ombination Light LH
Rear C
ombination Light R
H
Side Turn Signal Light LH
Side Turn Signal Light R
H
S 1
F 6
Turn
Turn Horn
Turn
Off
On
Hazard
SW
RearQuarterPanelInner LH
Integration Control and Panel
IF InstrumentPanel BraceLH
21
BR
RHLH
Fusible LinkB
lock
F 8
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
6 x
B
Battery
4
120A ALTB- G
1M4
10A TAIL
1C1
1B12
1B13
1S9
EBFr
ont
Left
Fend
erA
pron
BK21
G W- B
G- O W- B
G
G
G W- B
W- B
G W- B
W- B31
1O214
1P IELe
ft K
ick
Pane
l
1F10
1P1
1N5
1J2
G
G
G
G
W- B
W- G
W- G
Po
we
r S
ou
rce
Ta
illig
ht
an
d I
llum
ina
tio
n
W- G
56
5B
10A
21
21
14
14BBB
EA
Fron
tR
ight
Fend
erAp
ron
OFF Tail
Hea
d
+BT
13
10
BJ
26
W- G
1J6
W-B
B
21
G W- B
2 1G
B
W- B
W- B
BL
W-B
G- W
R 2(A), R 3(B)
A 7
FA
DB
DB
1N2
W- G
W- G
J 6(A), J 7(B)
5B
E1
6B
E1
2B
E1
3B
E1
G G
G BC
24
Rea
r Q
uarte
rP
anel
Inne
r R
HR
ear
Qua
rter
Pan
el In
ner
LH
Back
Doo
rC
ente
r
W-B
W- B
2B
C2G
W- B
L 1
R10
R 9
R 8
R 7
F 6
F 5
F 8C 8
J 9
W-B
W- B
Light ControlSW
A/T Shift Lever Illumination
Combination SW
Front Parking Light LH
Front Parking Light RH
Fusible Link Block
JunctionConnector
Junc
tion
Con
nect
or
License Plate Light
Radio and Player
Rear CombinationLight LH
Rear CombinationLight RH
Rear Side MarkerLight LH
Rear Side MarkerLight RH
Tail
Tail
Illumination
I13
54
Integration Control and Panel
1R7
2 1
40A AM1
1O8
G
1M9
1
AC
C
IG1
AM1
2
Igni
tion
SWI1
0
1O4
10A GAUGE
1L3
R- B
1
BB
R- B R- BB- Y
W- L
B-Y
60A MAIN
1 1
12 3
B- L
15A DOME
J4JunctionConnector
1G13
Illumination
CP
U
W- G27 3
123
L-Y
R-B
1G12
1A4
L- YL- Y
Com
bina
tion
Met
erC
6
1R9
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R- B
R 6
Rhe
osta
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BR
21
IFIn
stru
men
tP
anel
Bra
ce L
H
BR
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 43 41
7 xB
4 1A
12 1G
1
2
60A M
AIN
5
W- L
W-L
B-L
B-G
1
15A D
OM
E
120A ALT
1
1S
AM1 IG1
ACC
1
1O8
1C1
40A A
M1
Battery
Pow er Source In terior L ight
L- R3
1
2
4 3
1O3
15AACC
1N6
1S1
1G4
1
3 1S
1G5
1 1 1
1
2
DO
OR
OFF
ON
2
1
B-W
R-W
R-W
R-W
R-W
R-WR
R
L-Y L-Y R-Y
R-W
L- Y
1L4
R-W
Door Lock ControlRelay<11- 8>
81L Door Lock Control
Relay<11- 7>R
IE Left KickPanel
W-B
L- Y
C igare tte L ighte r
L- R
Door
24
1
13 IB2
R-Y
Door Lock ControlRelay<11- 7>
R- W R- W
BL Back DoorCenter
W-B
4 BC1
2
R-W
D 8
D 7
D 6
I10
C 6
F 8
I14
D 5
C 4
R-W
R- W
CigaretteLighter
Com
bination Meter
Door Courtesy SWFront LH
Door C
ourtesy SWFront R
H
Door C
ourtesy SWR
ear LH
Door C
ourtesy SWR
ear RH
Fusible Link Block
Ignition SW
Interior Light
Back D
oor Courtesy SW
B 5
15
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
8 x
B
20A WIPER
W- L W- L B- G
120A ALT
2A
M1
IG1
ACC
1
1O8
1C1
40A AM1
B-Y
Battery
Po
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r S
ou
rce
Fro
nt
Wip
er
an
d W
as
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r
4
1011
IA1
EA
B
GR- B
GR
B-R
5
W-B
32
14
W-B
GR- B
GR
B-R
W-B
M
++1
+2
E
111N
21O
4
IA1
26
IA1
1OB- W
IA1
12
10A GAUGE
1E5 9
IF1
2B
3A
2A
1B 1E
9 71S
BJ
Rea
r Q
uarte
r Pan
elIn
ner L
H
R- WR- WR- BR- B
R- B
W- B
W- B
R- B
R- B
B
( A/T
)
( M/T
)
( A/T
)
( M/T
)
Ba
ck
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p L
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t
Left
Kic
kP
anel
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19IF
1
21 M
12
A
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59
76
1N7
1A2
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1A5
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84
Off
On
WE
W
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OFF INT
+B+2
+1+S
LO HI
INT1
INT2
B1
Fron
t Wip
er S
W
Was
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W
W+B
EW
+2+1
+S
+SIN
T1IN
T2B1
+SW E +B
Wip
er R
elay
W- B
BK
Rea
r Q
uarte
r Pa
nel
Inne
r R
H
A 3(A)
B 1(B)
F 8
I10
J 9
R 8
R 7
F 7
C 9
W 1
W-B
Back- Up Light SW
Back- Up Light SW
Com
bina
tion
SW
Fron
t Wip
er M
otor
Fusi
ble
Link
Blo
ck
Igni
tion
SW
Junc
tion
Con
nect
or
Rear CombinationLight LH
Rear CombinationLight RH
Washer Motor
Back- Up
2 1
Back- Up
Fron
t Rig
htFe
nder
Apr
on
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 41 2 3 4
9 xB
W- L
W-L
B-G
120A ALT
2AM1 IG1
ACC
1
1O8
1C1
Battery
P ow er S ourceK ey Reminder andS ea t B e lt W arning S h ift Lock
B- Y
4
40A A
M1
1O4
10AGAUGE
1G13
1F1
1P19
1
2
8 IB1 7 IB1
3
IG Right KickPanel
1R8
1P16
IE
Shift LockSolenoid
1
5 3
L-R B
W-B
G-W
R-B
SLS-SLS+E
IG STP
W-R
OO
W-R
G-W Y
Y
W-B
W-B W
-B
W-B
R-B
R-B
1
2
10A STO
P
1B8
1
2
1B2
1T31P18
G-Y
G-Y
G-R
G-W
G-W
G-W
G-W
W-B
W-B
1 1
3 3
S top L igh t
15A D
OM
E
1
1
1A4
B-L
3
1
2
60A M
AIN
L-Y
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9
1L13
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G-W
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with
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13-6>
Taillight and
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<6-3>
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2
1
C C
C
BK
Interior LightS
ystem<
7-1>
Door Lock C
ontrolR
elay<11-8>
1
1G121H2
G-W
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Control
Module<
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1K1
W-B
C
W-B
1 23
26 24 33 32 35 25
D A
F B
D A
Door Lock C
ontrolR
elay<11-7>
4 BC2
2
3 BC2
G-W
G-W
W-B
W- B
BackDoorCenter
BLLeft KickPanel
BJ
W- B
J 6 (A ), J 7 (B)
I13
B 7
U 1
Rear QuarterPanel InnerRH
Rear QuarterPanel InnerLH
I10
F 8
C 6
S 6
J 9
N 4
H 8
R 8
W-R
S 8
Buckle S
W LH
Combination Meter
Fusible Link Block
High M
ountedS
top Light
Ignition SW
Junction Connector
Junction Connector
Noise Filter
(Stop Light and R
ear Window
Defogger N
o. 2 )
Rear C
ombination Light LH
Rear C
ombination Light R
H
Stop Light SW
Unlock W
arning SW
R 7
Stop
Stop
1O2
Front Passenger
Seat B
eltW
arning Light
Integration Control and P
anel
Belt
Buzzer
CPU
Shift LockControl SW
Buckle S
W R
H O
ccupantD
etection Sensor<
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W-R
1
SR
S S
ystem<
14-4>
IF
BR
21
BR
Instrument PanelBrace LH
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
10
xB
Po
we
r S
ou
rce
Po
we
r W
ind
ow
4
120A ALT
21
35
1
AC
C
IG1
AM
12
1S1L
22
21O
1C1
1O8
L
W- B
1IC
1
4IC
12
IC1
2ID
11
ID1
4ID
13
ID1
2IG
14
IG1
52
52
52
31
IG1
1
Left
Kic
k P
anel
IE
1O4
PW
R R
elay
Bat
tery
44
4
LL
LL
L-W
B- G
B- G
W- L
B- Y
L
G- B
R- B
G- Y
R- Y
G- W
R- L
G- W
R- L
G- W
R- L
G- B
R- B
G- Y
R- Y
G- B
R- B
L
G- B
R- B
L
G- W
R- L
L- W
W- BW- B
G
R
7IC
1W- B
L
30A POWER
40A AM1
10A GAUGE
SU
SD
SU
SDSU
SD
BB
B
L
U
W- B
UU
DD
D
Up
Up
Down
Down
Up
Down
221
1
6
13
49
1815
1213
1016
7
3B
A14
BA1
BA1
55
BB1
BB1
4B
B1
3
D11
P 9
P10
P11
P12
P 8
P 7
P 6
F 8
I10
L-W
Pow
er W
indo
w M
aste
r S
W
Fusible Link Block
Igni
tion
SW
Power Window Control SWFront RH
Power Window Control SWRear LH
Power Window Control SWRear RH
Pow
er W
indo
w M
otor
Fron
t LH
Pow
er W
indo
w M
otor
Fron
t RH
Pow
er W
indo
w M
otor
Rea
r LH
Pow
er W
indo
w M
otor
Rea
r R
H
W-B
EE
DU
DD
PU
PD
RLU
RLD
RR
UR
RD
BB
1L1
M45
31
G
R
M21
R
G
13 M2
1
M45
JunctionConnector
J10
C
B
B
CC
B Junc
tion
Con
nect
or
J10
2005 SCION xB (EWD579U)
Memo
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
( Con
t. n
ext
page
)11
xB
Bat
tery
4
B- G
1C1
40A
AM
125
AD
/L
120A
ALT
1O8
1L10
1
AC
C
IG1
AM1
2
W- L
B-Y
Do
or
Lo
ck
Co
ntr
ol
Po
we
r S
ou
rce
12
41O 1L
3
EA
BA
EA
BA
BB
EB
8IC
29
IC2
8IG
29
IG2
1
Unlock
Lock
85
3
Unlock
Lock
56
G- B
BR- Y
G- B
BR- Y
G- B
BR- Y
G- B
BR- Y
IELe
ft K
ick
Pan
el
7IC
1
Unlock
Lock
UnlockDetection5
IC2
11IC
210
IC2
5IC
16
IC1
B C D
L-W
L-O
W-B
261
1819
126
2111
R- B
L- W
BR- Y
G- B
W- B
Y- G
L-W
W- B W- B
W- B
W- B3
W- B
W-B
46
51
2
L- R
Y- B
L- W
Y- G
L- O
Y- B
L- R
Y- G
L- W
W-B
W-B
M
8IG
1
15A
DO
ME
1
60A
MA
IN
1
3
B- L
A
L- Y
L-Y
W- B
12
10A
GA
UG
E
J 2(A), J 3(B)D11
D12
W- B
3
W- B
W-B
D 9
IGB
L1U
L1E
LSW
DU
L3A
CTD
W-B
P
14TVS
SL1
18
BR- Y
3IA
2 P
IRSG
O 2D 4
F 8
I10
G-B
BR
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Doo
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ontro
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ay
Doo
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nd U
nloc
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W F
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LH
Doo
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otor
Fro
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HD
oor
Unl
ock
Det
ectio
n S
W F
ront
LH
Door Lock ControlSW Front LH
Door Lock ControlSW Front RH
Fusi
ble
Link
Blo
ck
Igni
tion
SW
JunctionConnector
Option Connector (TVIP)C
W-B
CC
C
W- B
Junc
tion
Con
nect
or
J10
1
BB
R-B
JunctionConnector
J 4
2005 SC
ION
xB (E
WD
579U)
M
5 6 7 8
11 xB (Cont’ d)
D oor Lock Con trol W ire less Door Lock C on trol
BB1 BB1
AC
2
B
1
J 8
BA12
A
J 8
W- B
L- O
L- WB
C
D L-O
L-B
21
1
Unlock
Lock
2 5 6
11 IG2 10 IG2 5 IG1 6 IG1
L-B
L-W
L-R
W-B
4
L-O
L-O
L-B
1 IB2 4 IB2
L-B
L-O
BA11
2022
1 2
L-B
L-O
L-O
L-B
L-O
L-B
L-R
L-W
L-B
B
L-O
B
3 2
L-B
L-O
L- B
L- O
R
5
L- O
L-W
Door C
ourtesy SW
Front LH<
7-2>
M
L- O
L- B
CC A
CW
-R
23
HO
RN
Relay
<5-4>
7
R-W R
13
Headlight R
elay<
4-1>
Y
8
Unlock W
arning SW
<9-3>
L
25
2
V
24
1
3 5
RDA PRG +B
GND
1A4
1L7
L-YVW
-B
L
L-Y
AL- Y
Com
bination Meter
<16-3>
9
V-W
BR-Y
17
Interior Light<
7-2>
Buckle S
W LH
<9-2>
10
L-Y
G-O
15
FLS
H R
elay<
5-1>
PRGRDAKSWHRLYPCTYHORNDCTYHAZBACTBDSUSPD
BL Back DoorCenter
IELeft KickPanel
LP BKL
W-R
164
R-Y
5 IB2
1 BC2 3 BC1
13 IB2
M
1
2
2 1O
15 1P
L-Y
BR
-Y
L-Y
BR-Y
W-B
W-B
W-B
W-B
B 6
D14D13
D10
ACT+ACT-L2UL2
D 4
L-W
Door C
ourtesy SW
Front RH
, Rear LH
, RH
<7-2>
Back D
oor Courtesy S
W<
7-2>
Back Door O
pener SW
Door Lock Control Relay
Door Key Lock and Unlock SW Front RHDoor Lock Motor Front RH
Door Lock MotorRear LH
Door Lock MotorRear RH
JunctionC
onnector
JunctionC
onnector
M M
Back Door Lock M
otorB 5
3
4
Door C
ontrolR
eceiver
D 3
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
12
xB
W-L
AM
1IG
1
ACC
1
Po
we
r S
ou
rce
Fo
g L
igh
tR
em
ote
Co
ntr
ol
Mir
ror
L-R
3
Right/Down
SelectSW
OperationSW
LHR
HR
HLH
Left/Up
Down
Up
Right
Left
2IC
23
IC2
1IC
2
MM
3IG
22
IG2
1IG
2
MM
15
31
53
BR- Y
BR- W
BR- Y
G- R
LG- R
LG- B
G- W
LG- R
LG- B
G-W
LG- B
BR- W
B
HL
VLM
+H
RV
RE
1L5
1L12
1L11
IELe
ft K
ick
Pane
l
G-R
G- R
LG- R
1O3
15A
AC
C
1L6
W- B
G- Y
W- B
L-R
42
W- L
1O8
1C1
B- G
Bat
tery
1
8
52
43
67
40A AM1120A ALT
1O4
10A
GAU
GE 12
35
12IA
1
EB
Fron
t Lef
tFe
nder
Apr
on
12
12
G- R
G- O
R- WG-R
R- W
R- W
W- B
W- B
GR
OFF ON
BFG
LFG
2
B- WCombination SW<4- 2>
3
EAFr
ont R
ight
Fend
er A
pron
W-B
G- O
R16
R17
R 5
F10
F 4
F 3
F 8
F11
R-W
Fron
t Fog
Lig
ht L
HFr
ont F
og L
ight
RH
Fusi
ble
Link
Blo
ck
Fron
t Fog
Lig
htR
elay
Front Fog Light SW
Rem
ote
Con
trol M
irror
SW
Remote ControlMirror LH
Remote ControlMirror RH
I10
Igni
tion
SW
1J10
B-Y
2
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 4
13 xB (Cont. next page)
2AM1
ST2
IG2
IG1
ACC
1
60A A
BS
AM2
7. 5A EC
U-IG
120A A
LT
1B3
I10
B- Y
Battery
2
1
3
5
2 2 2 2
2 2 2 2
B
5
3
2
1
AB
S CU
TR
elay
ABS
MTR
Relay
R
B-R
L
B-W B
B-L
B
B-W R
B-L
R L B B
46 45 15 14 31
2
2
1
A 4
2
1A
5
2
1
A15
2
1
A16
F 8
7 IE1 3 IE1 5 IE1 2 IE1
Y B
LG-B
LG-R
Y B
B-R R G
BR
-Y
BR
LG-B
LG-R
IG1 R+ MR MRF +BS
RR-RR+RL-RL+FR-FR+BM FL+ FL-
18 4 3 17 20 6 5 19
V
10
NEO
LG-B
9
ENG+
LG-R
23
ENG-
GR
-R
8
TRC+
L-B
22
TRC-
V
LG-B
LG-R
GR
-R
L-B
Engine Control Module<2- 9>
S 3
P ow er S ource V S C
C
E
F
W- R
B- L
R- BW- L
W-L
B
B-G
1
1O8
1C1
2
1
40A AM
1
1R6
7. 5A E
CU
-B
1
2
1
40A A
BS N
O. 2
1O4
6 IA2 8 IA2 19 IA2 7 IA2 18 IA2
W-R
4 5
B-Y
10A G
AU
GE
1G13
R-B
R
DB- L
AB
S Speed Sensor
Front LH
AB
S Speed Sensor
Front RH
AB
S Speed Sensor
Rear LH
AB
S Speed Sensor
Rear R
H
Fusible Link Block
Ignition SW
Skid Control ECU with Actuator
1
1
2
1
15A D
OM
E
1
2
1
15A AM
2
60A M
AIN
B-L
3
1O1
1A7
5
W-R
W-R
1G12
1A4
L-YL-Y
6
B
AL- Y
BB
1H11
B-L B- L
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
56
78
13
xB (
Con
t’d)
( Con
t. n
ext
page
)
C E F
25
W- L W- B
43CSW
T 3
R
4213
W
D/G
WFS
E
Dat
a Li
nk C
onne
ctor
3<
2-5>
<2-
6>
27 STP
G- WStop Light SW<9- 3>
W- B
32GN
D1
W- B
1GN
D2
EB
Fron
t Lef
tFe
nder
Apr
on
W- B
12
BuzzerR- WR- W
B- W
44BR
L
P
29
WA
R- Y
35
WT
BR- W
36VS
CW
28
B
PKB
LKJF
B
11CA
NH
W
25CAN
L
R- W
30
BZ
B
B- L
V 2
R-B
W-R
B-L
R-B
BR
-W
R-Y P
VS
C
S 3
22IA
2
12IA
21
IA2
5IA
1
B- R
34
IND
IB
-R
B- R
BR- W
R- Y
P
R
16IA
2 W- L
W-B
MB
-W
9IA
1B
1
P 3
W
DB-
L
R
40
P
R
IA2
20
A/T IndicatorLight SW<3- 3>
1P10
1B9
21IA
211
IA2
10IA
2
IG
W- B
IA1
13
W- RW- R
12SP1
W-R
N
Parking Brake SW
Ski
d C
ontro
l EC
U w
ith A
ctua
tor
VSC Buzzer
Rig
ht K
ick
Pan
el
TRAC OFF SW
AL-
Y
BB
A B
L-Y B
EB-
L
DB-
L
W-R
C
BHG
W
OW
-B
24
R- L
TS
9IA
2 R- L
2005 SC
ION
xB (E
WD
579U)
M
9 10 11 12
13 xB (Cont’ d)
F
J
K
L
BR- W
R- Y
P
R- B
B-R
BR-W
R-Y P BR
BR
C 6
V S C
IB- R
B-R
M
B-W
3
1
1G
1A
B- W
IFInstrument PanelBrace LH
40
5 4 19 37 38 21 28
W-R
NW- R
Combination Meter
A
B
23 1
L-Y
R-B
L- Y
B
1O6
1G8
ABS
BrakeTR
AC O
FF
VS
C
Slip
Speedom
eter
CPU
C
C
E
E
W B W B
W BBW
B-L
W-R
W-B
B W B-L
W-B
J 5
S 7
Y 1
E C
E C
1 3
2
3 2 5
1
9 10
GND
CANL CANH
IG BAT
ESS
CANH CANL IG
Data Link Connector 3<2- 5>
BK
4 IE1IB193 IB1
B W B-L
JunctionC
onnector
Steering S
ensor
Yaw R
ate Sensor
Rear Quarter PanelInner RH
BH
WG
EB- L
DB- L
CW- R
OW- B
M u ltiplex C ommun ica tion S ystem (C A N)
BH RearDoor LH
BI RearDoor RH
6 BA1 6 BB1
W-B
W-B
W-B
W- B W- B
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
14
xB
12 60A MAIN
W- R B- L
71A
11O 1 1
Po
we
r S
ou
rce
SR
S
1O6
1D5 5
B3
B1G7
1D8
B- O
B- Y
Dat
a Li
nkC
onne
ctor
3<
2-5>
<2-
6>
19B
12B
P- B
W
TCSI
LLA
IG2
4IA
33
IA3
+SLB
1526
B
21
W- R
BR
W- R
BR
-SL
28B
27B 1O
2
1D3
1D2
W- B
W- B W- B2
1
14B
13B
Y- B
Y
34
12
8
12
B7
B2
A
Y- P
1A
Y- GR
5C
6C
Y- B
Y
Y- B
Y
E2
E1
D+
D-
P2+
P2-
PL+
PL-
PR
+P
R-
2
2IA
31
IA3
9B
20B
+SR
-SR
B- W
BR- W
B- W
BR- W
3
1
IELe
ft K
ick
Pan
el
3A
L- Y
LSP
+
4
8A
LG- B
LSP-
5
11A
G- W
LBE
+
2
7A
R- B
LBE-
1
23B1D
9
1H10
Engine ControlModule<2- 9>
B B
GS
W2
B- Y
W- R
B
5
AC
C
IG1
IG2
ST2
AM1
2 6AM
2
10A GAUGE
1O4
1G13
R- B
C 6
34
3
17B
Y- O
D2-
D2+
Y- V
B 4
16
D2+
D2-
D+
D-
12
10B
11B
Y- G
Y- R
P+P
-
P2+
P2-
P+P
-
F 2
P14
P13
A12
A13
A 9
( A) ,
A10(
B), A
11( C
)
F 8
B 7
F 1
I10
120A ALT
1O8
1C1
2 1
15A AM2
40A AM1
1W
-L
4
B- G
Battery
Airb
ag S
quib
( Fro
nt P
asse
nger
’s
Airb
ag A
ssem
bly)
Airb
ag S
quib
( Ste
erin
g W
heel
Pad
)
Seat Position Sensor
Combination Meter
Fron
t Airb
agS
enso
r LH
Fron
t Airb
agS
enso
r RH
Fusible Link BlockIgni
tion
SW
Pret
ensi
oner
LH
Pre
tens
ione
r R
H
12
L- Y
41A
121G 1
L- Y
15A DOME
SRS
B-Y
L-Y
1
CPU
Airb
ag S
enso
r A
ssem
bly
8C
12C
B
W- B
RB
E+R
BE-
13
Buckle SW RHB 8
CombinationMeter<9- 2>
O
W-B
Occupant DetectionSensor
Buckle SW LH
Sea
t Pos
ition
Sen
sor
Key Reminder andSeat Belt WarningSystem<9- 2> 3
23
R-B
IFIn
stru
men
tP
anel
Bra
ce L
H
21
BR
BR
2
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 43 421 3 421
15 xB
60A M
AIN
W- L
W-L
B-L
B-G
120A ALT
1
AM1 IG1
ACC
1
1O8
1C1
40A AM
1
Battery
P ow er S ource A udio S ystem
15A DO
ME
1
1N3
1A4
1O3
15AACC
1N9
IF
RL-RL+
1 21 2
RR-RR+
W-B
W-B
B6B2 B31 B
L-Y
L-Y
L- R L- R
L- Y
Y
A7
2
3
B WR
1 A 5 A2 A 6 A
3 A 4 A
ACC +B
GND FR+ FR-FL+ FL-
34
2
1
11 22
GR
LG LP V
P V
LG L
1
11 IB2 12 IB29 IB2 10 IB2
YB WR
1 2 1 2
Instrument PanelBrace LH
P V LG L
LLGVP
14 IC2 7 IC2 14 IG2 7 IG2
A A
C B C B
D
F B F B
A
2
L-Y
B-R
8 A
ANT
1
B
A14
C A
A B A B
F
D B D B
AJ 2(A), J 3(B) J 2(A), J 3(B)
F12 F13
T 5T 4
R 2(A), R 3(B)
R11 R12
I10
BC15
20A W
IPER
B- Y
3
LL
W-L
W-L
4
IA112
IB22
2 1A
1O
2
W-L
1
B
B
B
LM
6 BC1
C 9
R15
3
2
M
W 1
R ear W ipe r and W asher
1N11
1O2
IE
W-B
W-B
5
F 8
Antenna AmplifierCombination SW
Fusible Link Block
Front Door Speaker RH
Ignition SW
JunctionConnector
JunctionConnector
Radio and Player
Rear Speaker LH Rear Speaker RH
Rear Wiper Motor
Tweeter LH Tweeter RH
Washer M
otor
Left KickPanel
Front Door Speaker LH
Washer1
ON
Washer2
+1R WR EW
OFF
Rear W
iper andW
asher SW
1T1
B
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
34
21
( Con
t. n
ext
page
)16
xB
B-Y
B
12 60A MAIN
43
W- R
R- B
B- R
V
BR
IFIn
stru
men
t Pan
elB
race
LH
V
BRB-Y B
W-L
W- L
W- R B- L
B- G
71A
11O 1
15A
AM2
120A ALT
1
1F7
1T4
32
AM
25
62A
M1
ST2IG2
IG1
AC
C
1
1G8
1O6
41O
10A
GA
UG
E
131G
40A
AM
1
1O8
1C1
Key Reminder andSeat Belt Warning System<9- 2>
Key Reminder andSeat Belt Warning System<9- 2>
Key Reminder andSeat Belt Warning System<9- 2>
SRS System<14- 2>
Battery
2 1
Po
we
r S
ou
rce
Co
mb
ina
tio
n M
ete
r
7IB
2
BR
BR
Key Reminder andSeat Belt Warning System<9- 3>
12
L- Y L- Y
41A
121G 1
15A
DO
ME
L-Y
BEngine ControlModule<2- 5>
2131
2534
3235
33
3040
23C
6
F 8
I10
F14
Com
bina
tion
Met
er
Fusi
ble
Link
Blo
ck
Fuel Sender
Igni
tion
SW
36
EAFr
ont R
ight
Fend
er A
pron
38
HeadlightSystem<4- 4>
B W- B
21
L- Y
37
14IA
2B
Interior LightSystem<7- 1><7- 2>
1
1415
24
B 2Brake Fluid LevelWarning SW
Speedometer
Tachometer
Fuel
Buzz
er
ODO/Trip SW
Belt
SRS
Fuel
Door
Beam
2928
1F6
1H3
1K4
VSC System<13- 10>
Door Lock ControlRelay<11- 6>
Engine Control Module<2- 8>
V- W
V- W
V- W
Brake
ABS
VSC System<13- 10>
VSC System<13- 9>
LCD
( OD
O/T
rip C
lock
)
CP
U
Clock H
Clock M
Taillight andIllumination System<6- 3>
27
MaintReqd
2005 SC
ION
xB (E
WD
579U)
M
5 6 7 8
16 xB (Cont’ d)
Combina tion M ete r
Malfunction
Indicator Lamp
Oil P
ressure
Charging S
ystem<
1-4>
16
TRA
C O
FF
LCD
Back Light
11109
Water Tem
p. Hot
Charge
Electronically C
ontrolledTransm
ission andA
/T Indicator System
<3-5>
<3-6>
17 12
13
Taillight and
Illumination
System
<6-3>
87
2 IF1
1
GG
Electronically C
ontrolledTransm
ission and A/T IndicatorS
ystem<
3-6>
6
54 19
2
Turn Signal and
Hazard W
arning LightS
ystem<
5-3>
18
O 1
3 26C 6Combination Meter
Oil P
ressure SW
O/D
OFF
Slip
VSC
Engine C
ontrol System
<2-3>
20
Water Tem
p. Cool
Engine C
ontrolS
ystem<
2-4>
Turn LH
Turn RH
VS
C S
ystem<
13-9>
P R N D 2 L
Illumination
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
34
21
17
xB
2 1C1
1
30A
RD
I
12
B- G
40A
AM1
B
1
120A
ALT
1O8
1O4
1
1
AC
C
IG1
AM
12
B-Y
10A
GAU
GE
7. 5
AE
CU
-IG
1B3
1P11
W- L
B- R
B-R
4
Bat
tery
21
35
11 1
1
FAN NO. 1Relay
L- W
21
53
4
11
11
1
M 12
15IA
2Y- R Y- R
W- L
EB
L-R
B-L
L
L- R
232 1
W- B
L
W- B
W- B
W- B
B- R
1B
1A
B
BM
Bac
k D
oor
LH
Po
we
r S
ou
rce
Ra
dia
tor
Fa
n a
nd
Co
nd
en
se
r F
an
FAN NO. 2Relay
Re
ar
Win
do
w D
efo
gg
er
2
30A
DE
F
11J8
21
53
1B
D1
1O2
1K3
W- B W- B
W-L
B- L
W- L
Off
On
Tim
erC
ircui
t
B-R
3
24
B
W- B
IELe
ft K
ick
Pane
l
IA17
EAFr
ont R
ight
Fend
er A
pron
Fron
t Lef
tFe
nder
Apr
on
B
W- B
1
1
6IB
2
N 4
R13(A), R14(B)N 2
A 1
P 2
R 4
R 1
Engine ControlModule<19- 4>
I12
F 8
1B
C1
B
B
B
R-B
B
A/C Condenser FanResistor
Fusi
ble
Link
Blo
ck
Noise Filter(Rear Window Defogger No. 1)
Noise Filter(Stop Light and Rear Window Defogger No. 2)
Pressure SW
Radiator Fan Motor
Rear WindowDefogger Relay
Rear Window Defogger
I10
Igni
tion
SW
Rea
r Win
dow
Def
ogge
r S
W
Inte
grat
ion
Con
trol a
nd P
anel
B- R
B
W-B
2005 SC
ION
xB (E
WD
579U)
M
1 2 3 43 421 3 421
18 xB
120A ALT
4
1C1
40A AM
1
40A H
TR
1O8
4 1O
1
ACC
IG1AM1 2
10AGAUGE
B-G
B- Y
3
5
2
1
4 HTRRelay
1J11O2
IELeft KickPanel
7. 5AA. C
PTC1
1J9
1
IG Right KickPanel
1
1
50AHTR SUB1
1
1
B-W
1
P ow er S ource P TC H ea ter
Battery
1
IA2
1
2
B
W- BW- B
B- L
W-B
B
W-L
W-L
L-B W
L-B
W B-L
L-O
L-R
L-Y
L-W
L-W
W-B
W-B
Y-B
L-BB
R
6 10 5 12 16
4
7
18 3 9813 7
8 132
B
B-L
B-L
1
2
IG
ALT
RECFRSR/F1
HTR SUB1Relay
MAX HOT MODEIN
17
Generator
<1-4>
G-B
Engine Control
Module<
2-5>
GND REC/FRS NE TW1 SG
1 1
2 2
T wo W ay Flow Hea ter
1H111B3
7. 5AECU- IG
L- BEngine ControlModule<2- 8>
W-B
2
3 1
Max H
ot SW
Foot SW
F/D S
W
L-W
B-LL-B
L-B
L-B
W
Air Conditioning
System<
19-2>
2
1
3
5
Engine Control
Module<
2-9>
L- W
B-L
M ControlCircuit
B
A
FRS
REC
D E
1
2
B
B- Y
B-Y
B-L
B-L
Foot Mode SW
W-B
D 2
W 2
P 5
P 4
17
A 8
B-L
AB
AB
CA
J 6(A), J 7(B)
L- B
A A
J 4
F 8
I10
M 2
Air Inlet Servo Motor
Fusible Link Block
Ignition SW
JunctionConnector
JunctionConnector
Max Hot and Foot Mode SW
PTC Amplifier
PTC
Heater
Inlet Air P
osition Detection S
W
Water Tem
p. Sensor
2005 SCION xB (EWD579U)
M OVERALL ELECTRICAL WIRING DIAGRAM
12
34
34
21
34
21
19
xB
40A HTR
41O
12
10A
GAU
GE
B-Y
W- B
35
21
4H
TRR
elay
1J1
1J7
1O2
7. 5
AA.
C
1H18
L- R
HI
M2
M1
106
7
LOO
FF
2 1
L- B
L
12IF
1 L- BL- B
1 4
B-Y
13
Off
On
2
O
B- W
21
BR
W- B
Y- R
W- L
FAN NO. 1 Relay<17- 2>
Pressure SW<17- 2>
Po
we
r S
ou
rce
Air
Co
nd
itio
nin
g
12
L- Y
L
W-B
CF
FAN
THR
AC
MG
V
L- W
IE
M
L- R L- B L- B
L- B
L- Y
L- W
W- B
IE
E2
RD
EF
B- Y
B- Y
DE
F
BL
4
3
3IF
1
28C
32B
31B
22B
2B
7A
6A
BR
A 6
E 3(
A) ,
E 4
( B) ,
E 5
( C)
HP B- R
13C
7E
A1 EA
Fron
t Rig
htFe
nder
Apr
on
B- R W- B
P 2
AA
B- Y
J 4D 2
W- B
IGR
ight
Kic
kPa
nel
Left
Kick
Pan
el
I13
F 8
12
120A ALT
34
W- R B- L
71A
11O 1
15A AM2
60A MAIN
1
AM2
56
AM1
ST2IG2
IG1
AC
C
2 121
35
1
15A EFI
11
11
1O6
1A3
EB
Fron
t Lef
tFe
nder
Apr
on
I10
W- B
B-Y
B- R
EFI Relay
Bat
tery
Left
Kic
kPa
nel
1J9
W-B
21
3E
A1
B- W
7. 5
AA
/C2
1 1
2 1
B-W
40A AM1
1O8
12
11C
B- G
W-L
B
W- R
I11
B-G
B-Y
B-Y
B-Y
W-B
B-Y
A 2
A/C Thermistor
Engi
ne C
ontro
l Mod
ule
Fusi
ble
Link
Blo
ck
Igni
tion
SW
JunctionConnector
Pressure SWDefroster Mode Detection SW
A/C
SW
1IH
1
3IH
16
IH1
5IH
14
IH1
21
32
4
1
Blower MotorB 3
Blow
er R
esis
tor
B 4
Blow
er S
W
Inte
grat
ion
Con
trol
and
Pan
el
Integration Control and Panel
7C
6C
5C
28D
ED
Eng
ine
Blo
ckE
CE
ngin
eB
lock
EC
E03
E02
E01
BR
BR
BR
BR
BR
BR
A/C Magnetic Clutch Valve