Page 235 of 1943

2001 PRIUS (EWD414U)
M
1
234
4 PRIUS
2ACC
IG1
ST1 AM1 4
1
120A MAIN
1B 1C
1D2H 1
5A AM1
2 1
3 52B 3 2D 6
IDCowl si de
panel LH 2K 8 1B 1
AW±B W± B B±Y W± GW
B
WB±G
W±G
J11
JUNCTI ON
CONNE CTOR I15
IGNITION SW
100 A DC/ DCBATTERYF18
FUSI BLE L I NK
BLOCK NO. 2
F11 F12,
FUSI BL E LI NK
BLOCK NO. 1BCF13, D IG1 RELAY
30A
HE AD3 4
2 1
1F 61F71E21E5
9IA1 1F 81E3
3
7. 5A
DRL
3
2 1
5 33 3
33
IE Cowl si de
panel LH16 IA2 1J 112C 52K10FA
HB
8ID1
3ID22B 17B7ID2
9A2A 10
2I 7
IG Cowl si de
panel RH 5ID2
Headlight (
w/ Daytime Running Light)
Power Source
CA
7
A EE95 4612311
1
AA1
2
172 8CA
E
2E 1
1324 2
Y± B R±GL R±GR±L R±GR±Y
L±O
W± RR±G W±B
W± R R±B R±G W±B R± L R± G R± G R±G
R± GR± L
R± W R±G
W±B
R±B
R±GW±B
R±B
R±G
R±G
R±B
RG±R
R±Y R± WR± WR±G R±G R R
R± GL
Y±B R
R±B
R±G
W±B R±G
JUNCTI ON
CONNECTORB A J27 J28,
R±G HEAD
RELAY
DIM
RELAY
10A
HE AD LO (
LH) 10A
HEAD L O (
RH) 10A
HE AD HI (
LH) 10A
HEAD HI (
RH)
H 1
HE ADL I GHT
LH H 2
HE ADL I GHT
RH R± L
R± W
J 1
JUNCTI ON
CONNE CTOR
J20
JUNCTI ON
CONNECTOR
D 5
DI ODE(
Day t i me
Running Light)
13 8 16
J17
J UNCTI ON
CONNECTOR
To Par ki ng
Br ake SW
< 19±8> J20
JUNCTI ON
CONNE CTOR
D 3
DA YTI ME RUNNI NG L I GHT RELA Y
10A GAUGE
7. 5A ECU±B
BODY ECUB A B 8 B 9,
H T HF HU HL EL
LIGHT
CONTROL
SWDIMMER SW
17 IA2 6 IA2
L R± G
B±Y
DRL
RELA Y
12 2 1
33DRL H E HI CHG± I ND DI M H± LP I G +B P KB
C13
COMBINATION
SWOFF
HEADTAIL
LO
HI GH
FLASH H HRL YRDY 1B 21J 7
15A DOME
B L±Y
2G 22A 4LHI GH BEAMHEAD C10
COMBINATION METER
21 17 14L
L
L
1 5
SHORT
PIN
2A 7
2B 6
LIH Right
kick
panelBR
Page 236 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
5 PRIUS
2ACC
IG1
ST1 AM1 4
1
120A MAIN
1B
1D2H 1
5A AM1
2 1
3 52B 3 2D 6
ID Co wl s id e
panel LH2K 8
AW±B W± B
B±Y W± GW
WB±G W±GJ11
JUNCTI ON
CONNECTOR I15
IGNITION SW
100 A DC/ DCBATTERYF18
FUSI BLE L I NK
BLOCK NO. 2F11 F12,
FUSI BLE LI NK
BL OCK NO. 1BCF13, DIG1
RELA Y
C 11B 2
10A
TURN± HAZ
1J 6WB 10A GAUGE
2K 10R± L
6IA1
C C
4ID14 3
G± R
R± L
W G± R
41 83
BIG HAZLL
LH
RH TURN3 1
2 56EL ER
A
IG Cowl si de
panel RH
W±BJ17
JUNCTI ON
CONNE CTOR A ABA BA
BB
L±BB W± BG±Y G±Y
11 IA1
G± Y
E
7LR
2
W±B
W±B R± L
WG±B
2K 4
J20
J UNCTI ON
CONNE CTORJ18
JUNCTI ON
CONNECTOR H 7
HAZA RD SW
[ HA ZARD WARNI NG SW]
C13
TURN SI GNAL SW
[COMB. SW]T 5
TURN SI GNAL FLA SHE R REL AY
2 1
F 8
FRONT TURN SIGNAL LIGHT RH
IE A
Cowl side
panel LH A
A A
A1
2
F 7
FRONT TURN SIGNAL L IGHT L H
J12 J13,
JUNCTI ON
CONNECTORAB
J 4
JUNCTION
CONNECTORJ 7
JUNCTION
CONNECTOR2F 3
ID A
Cowl side
panel LH2K 82D 8 2J 12
W± B
G±BA AW± B
DB
EA
J24
JUNCTI ON
CONNECTOR
BK BI 5 3
5 3
CB
BA2A 1
2M 52M3
R 6
REAR TURN SI GNAL LI GHT L H
[REAR COMB. LIGHT LH] R 7
REA R TURN SI GNAL LI GHT RH
[REAR COMB. LIGHT RH]2A 2L L19 18 C10
TURN SI GNAL I NDI CATOR L I GHT
[COMB. METER]
JUNCT I ON
CONNECTORB A J22 J23, JUNCTION
CONNECTORB A J32 J33,
W±B
G±Y
G±B
W± B
G±B W±B
W±B W±B W±B
W±B
W±B W±B
G± Y
G± Y
G±Y
RH LH
Turn Signal and Hazard W arning Light Power SourceA A
Lef t side
of rear
pillarBac k
panel
center J 1
J UNCTI ON
CONNE CTORJ11
JUNCTI ON
CONNE CTOR2A 7
2B 6
L14
IHRight
kick
panelBR
Page 237 of 1943

2001 PRIUS (EWD414U)
M
1
234
6 PRIUS
1120A MAIN
1B
1D2H 1
5A AM1
2 1
3 52B 3 2D 6
IDCowl si de
panel LH 2K 8
AW±B W± B
B±Y W±GW
WB±G
W±G
J11
JUNCT I ON
CONNECTOR I15
IGNITION SW
100 A DC/ DCBATTERYF18
FUSI BLE L I NK
BLOCK NO. 2F1 1 F13,
FUSIBLE LINK
BL OCK NO. 1BDIG1
RELA Y 2ACC
IG1
ST1 AM1 4
2C 3
10A GAUGE
2 1
5 3 R±L
15
MPX+
16MPX±11
MP X+
4 MP 2+
4
MPD 1
11MPD 2
14 D 13 D
MPX1 MPX2R± L W± G
R± BGR±BGR GR±B
GRGR±L A 7
A/ C AMPLI FI ER
B 8
BODY ECUG 1
GATEWAY ECUB 5
BACK± UP L I GHT
RE LAY
BILeft s ide of
rear pillarBKBac k
panel
center
W±B
CB
BA
W±B5 4
5 4
W±B
R±B R±B
BA BA
BB
R± B
9IF1DA DA
BB5IJ1
R± B R± B
R±B R± B
R 7
BACK±UP LIGHT RH
[REAR COMB. LIGHT RH]
R 6
BACK± UP LI GHT LH
[ REA R COMB. L I GHT L H] JUNCTI ON
CONNECTORB A J32 J33, JUNCTI ON
CONNECTORB A J30 J31,
JUNCTI ON CONNECTORB A J27 J28,
E 9 E10,
E NGI NE CONTROL MODULECD
Back±Up Light Power Source
To Navigation ECU
< 14±6>
19 C
HTE +18 C
HTE ± HTE + HTE ±
Y
E E A A
BR
W± BJ22
JUNCTI ON
CONNECTOR J24
JUNCTION
CONNECTOR
W±B
2D 8
RL
1 4
B±R W±B
W±B P 1
PARK/ NEUTRAL
POSI TI ON SW
14 A 1B
3B 2B
IHRight kick
panel 2A 7
2B 6
COMBINATION METERB A C1 0 C11, L
LBR
H1 3 H14,
HYBRID VEHICLE
CONTROL ECUED
14 E 19 D 29 D
Page 238 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
7 PRIUS
Power Source
1120A MAIN 1 00A DC/ DC
2 1
3 5
1D 1B
WB±G
F18
FUSI BL E LI NK
BL OCK NO. 2
BATTERYTAIL
REL AY
F1 1 F13,
FUSI BL E LI NK
BL OCK NO. 1BD7. 5A
TAIL
T a illig h t
1 2
2 1 2H 12K6AB
AA AA AA AA
W±B
W±B G
G
F 5
FRONT SI DE MARKER
LI GHT LHF 4
FRONT PARKING
LIGHT RH
2 1
1 2
2 1
2 1
CB CB
BAAA AA
IE Cowl si de
panel LHA
J 1
JUNCTION
CONNECTORA
IG J17
JUNCTI ON
CONNE CTORA
Cowl side
panel RH2F 5 2J 72L5
OFF
TAIL
HEA D
16 6ID2 2ID2
10 IA1D
A
D
AF
B
F
B
A A
BI Lef t side of
rear pillarBK Bac k panel
center 16 16 11
18
55 14F 3
FRONT PARKING
LIGHT LH F 6
FRONT SI DE MARKER
LI GHT RHL 2
LI CENSE PLATE
LIGHT LHR 6
TAIL LIGHT LH
[ RE AR COMB. L I GHT L H] L 3
LI CENSE PLATE
LIGHT RH R 7
TAILLI GHT RH
[ REAR COMB. LI GHT RH]
J 7
JUNCTI ON
CONNECTORJ32 J33,
JUNCTI ON
CONNECTORAB J32 J33,
JUNCTI ON
CONNECTORAB
J 4 J 5,
JUNCTION
CONNECTORAB B 9
BODY
ECU
LG±R LG LGG GG G G
G G G G G
W±B
W±B
W±B W±B
W±B W±B
W±B W±B
W±B
W± B W± B W± BG
W±B
LG±R
LIGHT
CONTROL
SW
THEL
C13
COMBI NATI ON SWTRLY
T
Page 239 of 1943

2001 PRIUS (EWD414U)
M
1
234
8 PRIUS
Power Source
1120A MAIN 1 00A DC/ DC
2 1
3 5
ID Cowl si de
panel LHA 1D 1B
WB±GW±B
J11
J UNCTI ON
CONNE CTOR F18
FUSIBLE LINK
BL OCK NO. 2
BATTERYTAIL
REL AY
F11 F12,
FUSIBLE LINK
BL OCK NO. 1BC5A
PANEL
2K 82D 8
Illumination
A A 1 2
1 2 2H 12K6
6 8
2 5
105 2D 1HA HA HA HA
FB FB FB FB
6B 7B
A A
C C
E E
DB
EA B
IFLeft kick
panel
LG LG LG
LG
W± L
W± L
W± L
BR
W± L
W± L LG
LG
LG LG
LG
LG
LG
635 4
W± B W± BW±B
W± B
W± BLG±B LG
W±L
BR W±L W±L
W±L
C
B B
W± L
J22 J23,
J UNCTI ON
CONNE CTORABC10 C11,
COMBI NATI ON MET ERAB
A22
ASHTRAY
ILLUMINATION C 9
CI GARETTE LI GHTER
ILLUMINATIONM 7
MUL TI DI SP LAY H 7
HAZARD WA RNI NG SWC 7
CE NTER CLUS TER SW L 1
LI GHT CONTROL RHEOSTATJ24
JUNCTI ON
CONNECTOR
J21
JUNCTI ON
CONNECTOR
J21
JUNCTI ON
CONNECTOR
J21
JUNCTION
CONNECT OR
See Taillight
System< 7±1>
J27 J28,
JUNCTI ON
CONNECTORAB
5A 10 B
RADI O AND PLAYERB A R 2 R 3,
CC
W± L
J21
JUNCTI ON
CONNECTOR
W±LA
W± L 1C2G 2
1B 2
15A DOME
1J 72A 4L±Y B
F1 3 , D
L
14 A21 A
62A
2B 7
IH Right kick
panel
LLBR L
Page 240 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
9 PRIUS
Power SourceKey Reminder and
Light Reminder BuzzerS e a t B e lt W a r n in g
1120A MAIN 1 00A DC/ DC
2ACC
IG1
ST1 AM1 4
2 1
3 5
5A AM1
2B 3 2D 62H1
2 1
3 5
10A GAUGE
DB
EA AB
AA
ID Cowl side
panel LHA2K 8
1D 1B2A 5
WB±GW± B W± BL±B
J11
JUNCTION
CONNECTOR
IG1 RELAY
F18
FUSIBLE LINK
BL OCK NO. 2
BATTERYU 1
UNLOCK
WAR NI NG S W
TAIL RELAY
J22 J23,
JUNCTI ON
CONNECTORAB 17 B
7. 5A TAIL
2ID22C 9
AB
AA 2K 62K1
11 IJ1A A 8IJ1
10 IJ11 3 9IJ13B
See Headlight
System< 3±1> < 4±3>
11 BB 2B18 16 A 5 B15 A 2 B 3 B 22 A
62A
2B 7 14 A
IH Right kick
panel C10 C11,
COMBI NATI ON ME TERAB
B20
BUCKLE SW LH J29
JUNCTI ON CONNECTOR
B21
B UCK LE S W RH A ND
SEAT BELT WARNI NG
OCCUPANT DETECTI ON SE NSOR G 1
GATEWAY ECUA 7
A/ C AMPLI FI ER
E10
ENGI NE
CONTROL
MODULE
1 2 14
11
4 13
11
B 8 B 9,
BODY ECUAB
W±B
W±B W±B
LG LG P±L P±L W±B W±BW±B W±B G±O G±O G±O
G±O
GR± B
GR GR
GR± B GR± BLBR
W±G
W
W± G
B±Y
4 MPX2
MPD1
MP X+ MPX1
MPD2
MP 2+
Light Auto Turn O ff
I15
IGNITION SW
3 12
See Interior
Light System
< 10±2> GR ±LL
GR±L
See Taillight
System< 7±1>
1BW±B
2D 8
FB
BA BA
L±B
From Transponder
Key Computer
< 2±16>
From Airbag Sensor
Assembly< 21±2>G±O
A
W±B
W±B
17 15
G± O2 To Airbag
Sensor Assembly
< 21±3>
21
L±B 1C
FUSIBLE LINK BLOCK NO. 1C B F1 1 F12, DF1 3 ,
B
1B 2
15A DOME
1J 72A 4
2G 2L±YJUNCTI ON
CONNECTORB A J24 J25,
J27 J28,
JUNCTI ON
CONNE CTORAB
LSEAT BEL T
(
Driver' s Seat)
SEAT BELT
(
Fr ont Pass enger' s
Sea t)
21 A
L
BUZZER 2C 5
7. 5A ECU±B
9BR± GJ27
JUNCTI ON
CONNE CTOR F
F L
R±G
TAI L I G B HRLY H T MPX± MPX+ DBKL
E TRLY KSW DCTY PKBL
Page 241 of 1943

2001 PRIUS (EWD414U)
M
1
234
10 PRIUS
2ACC
IG1
ST1 AM1 4
1
120A MAIN
1C 1B
1D2H 1
5A AM1
2 1
3 52B 3 2D 6
ID Cowl side
panel LH2K 8
AW±B W± B B±Y W±GW
BB± G W±GJ11
JUNCTI ON
CONNECTOR I15
IGNITION SW
100 A DC/ DCBATTERYF18
FUSI BLE L I NK
BLOCK NO. 2F11 F12,
FUSIBLE LINK
BL OCK NO. 1BCF13, DIG1
REL AY
W
2A 51B 2
15A
DOME
1J 7
2N 32G 2 2A 4
22 A 21 A 2C 5
9B2B 3B
16 A 15 A
EA EA
2 1
BI Left side of
rear pillarDB 12 A
13 I D2
11113IB1DAFB2K 12L62K3
1 1 2 DB
DAEB
DA 4IF1
12
DOOROFFON
2N 1 14 A
IH Right kic k
panel14 A
2A 7
2B 6
Interior Light Power Source4
F144
A
B 15
6 31311 11
F
B AR±GGR ±B GR ±BL B
R± B
R±WL±YB
L±Y L±Y L±Y
R± WW±B W±B
R± W
R± W R± B
R
R± G R±GR
R± W R± W R±W
R± W R± W
R± W R± G GR± BGR GR ±LGR GR± BL L±Y
LJ27
JUNCTI ON
CONNE CTOR E10
ENGINE CONTROL
MODULE G 1
GATEWAY
ECUA 7
A/ C AMPLI FI ER
7. 5A ECU±B
10A GAUGEJUNCTION
CONNECTORB A J12 J13, R±W
J16
JUNCTION
CONNECTOR
D 7
DOOR COURTESY SW
FRONT RH D 6
DOOR COURTESY SW
FRONT L H D 8
DOOR COURTESY SW
REA R LH D 9
DOOR COURTESY SW
REA R RH
J33
J UNCTI ON
CONNE CTOR
P 5
PERSONAL LI GHT
L 5
LUGGAGE
COMPARTMENT
LIGHT
J UNCTI ON
CONNE CTORB A J30 J31, JUNCTION
CONNECTORB A J30 J31,
I16
I NTE RI OR L I GHT
7
LBR BR
L 6
LUGGAGE
COMPARTMENT
LIGHT SW
COMBINATION METERB A C1 0 C11,
B 8 B 9,
BODY ECUABMP 2+ MP D1
MPX1
DA
R± W
31
2R± W R±YA
7IC1
R±Y
Fr om Power Window
Master SW< 18±2>MP X+ MP D2
MPX2
FB R± W
Fr om Trans ponder
Key Computer< 2±16>L±Y
D OORD 4
DIODE
(
Door
Co ur t esy)MPX± MPX+ B IG
LP LCTY RCTY DCTY PCTY
1BE
2D 8
W± B
Page 242 of 1943
2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
11 PRIUS
Power Source Remote Control M irror Cigarette Lighter
1120A MAIN 1 00A DC/ DC
2ACC
IG1
ST1 AM13
2 1
3 55A
AM1 2B 3 2C 82H1
15A
CI G 2D 5
10A
ACC
IDCowl si de
panel LH A2K 8
1D 1B2D 2 W±GP±L
WB±GW±B W±B GR± R
J11
JUNCT I ON
CONNECTORACC
RELA Y
F18
FUSI BL E LI NK
BL OCK NO. 2
BATTERYF1 1 F13,
FUSI BL E LI NK
BL OCK NO. 1BD
M 9IG1 8IG1
M10 IG1 9 IN1
M8IN1
M10 IN1AB
AA AA
A A
DOWN
UP RI GHT
LEFT RI GHT/ DOWN
L EFT/UP
C C
153 153
JUNCTION
CONNECTORB A J24 J25,
R10
REMOTE CONTROL MI RROR LHR11
REMOTE CONTROL MI RROR RH
J26
JUNCTION
CONNECTOR
R 5
REMOTE CONTROL MI RROR SW
C 8
CI GARETTE
LIGHTER
L LG BR±RW R±G BR±R W±B W± B GR
GR± R GR± R
GR
W
W±GL LGW R±G BR±R W± B
BR±R
L
43 52 6 78J27
JUNCTION
CONNECT OR
VL HLVR HR MV MH
A
BR±R
BR± R I15
IGNITION SW
B
1 2
R± G OPERATI ON SW SEL ECT SW
M+ E
2D 8
W±B
W±B