Page 217 of 1943

L
CodePart Name Part NumberCodePart Name Part Number
2001 PRIUS (EWD414U) E10
Engine Control Module90980±11638
F 1Front Airbag Sensor LH90980±11856F 2Front Airbag Sensor RH90980±11 856
F 3Front Parking Light LH
F 4Front Parking Light RH90980±11162F 5Front Side Marker Light LH90980±11162
F 6Front Side Marker Light RH
F 7Front Turn Signal Light LH90980±11019F 8Front Turn Signal Light RH90980±11019
F 9Front Wiper Motor90980±11599
F10Fusible Link Block No.1
F11Fusible Link Block No.1±
F12Fusible Link Block No.1
F13Fusible Link Block No.190980±11775
F14Front Door Speaker LH90980±10935F15Front Door Speaker RH90980±10935
F16Fuel Pump and Fuel Sender90980±12164
F17Fusible Link Block No.290980±10916
F18Fusible Link Block No.290980±11775
G 1Gateway ECU90980±11911
H 1Headlight LH90980±11314H 2Headlight RH90980±11314
H 3Heated Oxygen Sensor (Bank 1 Sensor1)90980±11028
H 4Horn90980±10619
H 5Hydraulic Booster90980±10939
H 6Hydraulic Booster90980±10946
H 7Hazard Warning SW90980±11319
H 8Hazard Warning SW90980±11921
H 9Heated Oxygen Sensor (Bank 1 Sensor 2)90980±11028
H10Hybrid Vehicle Control ECU90980±11638
H11Hybrid Vehicle Control ECU90980±11637
H12Hybrid Vehicle Control ECU90980±11586
H13Hybrid Vehicle Control ECU90980±11476
H14Hybrid Vehicle Control ECU90980±11421
H15High Mounted Stop Light90980±11060
H16Hybrid Vehicle Battery±H17Hybrid Vehicle Battery±
I 1Ignition Coil and Igniter No.1
I 2Ignition Coil and Igniter No.290980±11885I 3Ignition Coil and Igniter No.390980±11885
I 4Ignition Coil and Igniter No.4
I 5Injector No.1
I 6Injector No.290980±11875I 7Injector No.390980±11 875
I 8Injector No.4
I 9Inverter90980±11034
I10Inverter90980±10891
I11Inverter90980±10988
I12Inverter90980±10897
I13Inverter90980±11943
I14Inverter90980±11944
I15Ignition SW90980±11615
I16Interior Light90980±10860
I17Interlock SW90980±11918
J 1Junction Connector90980±10976
J 2Junction Connector90980±11742J 3Junction Connector90980±11742
J 4Junction Connector90980±11661J 5Junction Connector90980±11661
J6
Junction Connector (w/ Daytime Running
Light)90980±11542
J 6Junction Connector (w/o Daytime Running
Light)90980±11529
J 7Junction Connector90980±10803
J 8Junction Connector90980±11661J 9Junction Connector90980±11661
J10Junction Connector90980±11398
J11Junction Connector90980±10976
J12Junction Connector
J13Junction Connector90980±11661J14Junction Connector90980±11661
J15Junction Connector
J16Junction Connector90980±11915
J17Junction Connector90980±10976
J18Junction Connector90980±11661J19Junction Connector90980±11661
J20Junction Connector90980±11915J21Junction Connector90980±11915
J22Junction Connector
J23Junction Connector90980±11661J24Junction Connector90980±11661
J25Junction Connector
J26Junction Connector
J27Junction Connector90980±11915
J28Junction Connector
J29Junction Connector90980±11396
J30Junction Connector
J31Junction Connector90980±11661J32Junction Connector90980±11661
J33Junction Connector
K 1Knock Sensor90980±11166
L 1Light Control Rheostat90980±10797
Page 218 of 1943

L PART NUMBER OF CONNECTORS
Code Part Name Part NumberCodePart Name Part Number
Note : Not all of the above part numbers of the connector are established for the supply.
2001 PRIUS (EWD414U) L 2
License Plate Light LH90980±11148L 3License Plate Light RH90980±11148
L 4Luggage Compartment Door Unlock SW90980±11212
L 5Luggage Compartment Light90980±11148
L 6Luggage Compartment Light SW90980±11097
M 1Mass Air Flow Meter90980±11317
M 2Motor Generator No.190980±11658
M 3Motor Generator No.290980±11034
M 4Motor Generator No.290980±11143
M 5Multi Display90980±11911
M 6Multi Display90980±11923
M 7Multi Display90980±10799
N 1Noise Filter (Ignition)90980±10843
N 2Navigation ECU90980±11973
N 3Navigation ECU90980±11923
N 4Noise Filter (Rear Window Defogger)90980±11259
O 1Oil Pressure SW90980±11363
P 1Park/Neutral Position SW90980±11535
P 2Parking Brake SW90980±11147
P 3PTC Heater90980±10903
P 4PTC Heater90980±10867
P 5Personal Light90980±11212
P 6Power Window Control SW Front RH
P 7Power Window Control SW Rear LH90980±10797
P 8Power Window Control SW Rear RH
P 9Power Window Master SW90980±11469
P10Power Window Motor Front LH90980±11011
P11Power Window Motor Front RH
P12Power Window Motor Rear LH90980±10860
P13Power Window Motor Rear RH
P14Pretensioner LH90980±11884
P15Pretensioner RH90980±11862
R 1Radiator Fan Motor90980±11237
R 2Radio and Player90980±10996
R 3Radio and Player90980±10997
R 4Radio and Player90980±10903
R 5Remote Control Mirror SW90980±11657
R 6Rear Combination Light LH90980±11011R 7Rear Combination Light RH90980±11011
R 8Rear Speaker LH90980±10935R 9Rear Speaker RH90980±10935
R10Remote Control Mirror LH90980±11587R11Remote Control Mirror RH90980±11587
S 1Steering Shaft Torque Sensor90980±10942
S 2Shift Lock ECU90980±11488
S 3Stop Light SW90980±11118
S 4Side Airbag Sensor LH90980±11857S 5Side Airbag Sensor RH90980±11 857
S 6Side Airbag Squib LH90980±11864S 7Side Airbag Squib RH90980±11864
S 8System Main Relay90980±11529
S 9System Main Relay82675±36050S10System Main Relay82675±36050
S11System Main Relay±S12System Main Relay±
T 1Theft Deterrent Horn90980±10619
T 2Throttle Control Motor90980±11162
T 3Throttle Position Sensor90980±10711
T 4Transponder Key Computer90980±11475
T 5Turn Signal Flasher Relay90980±10799
T 6Tension Reducer Solenoid90980±11918
U 1Unlock Warning SW and Key Interlock
Solenoid90980±10795
V 1Vacuum Sensor (HC Adsorber and Catalyst
System)90980±10845
V 2VSV (EVAP)90980±11156
V 3VSV (HC Adsorber and Catalyst System)90980±11149
V 4Vapor Pressure Sensor90980±11143
V 5VSV (Canister Closed Valve)90980±11156
V 6VSV (Parge Flow Switching Valve)90980±11859
W 1Washer Motor90980±10981
W 2Water Pump Motor (A/C)90980±10887
W 3Water Pump Motor (Inverter)90980±11003
W 4Water Temp. SW90980±11235
W 5Wireless Door Control Receiver90980±11909
Page 219 of 1943
L
CodePart Name Part NumberCodePart Name Part Number
2001 PRIUS (EWD414U)
Page 220 of 1943
M OVERALL ELECTRICAL WIRING DIAGRAM
2001 PRIUS (EWD414U)
Page 221 of 1943
![TOYOTA PRIUS 2001 Service Repair Manual M
2001 PRIUS (EWD414U)
[A]: System Title
[B]: Indicates the wiring color.
Wire colors are indicated by an alphabetical code.
B = Black W = White BR = Brown
L = Blue V = Violet SB = Sky Blue
R = Red O TOYOTA PRIUS 2001 Service Repair Manual M
2001 PRIUS (EWD414U)
[A]: System Title
[B]: Indicates the wiring color.
Wire colors are indicated by an alphabetical code.
B = Black W = White BR = Brown
L = Blue V = Violet SB = Sky Blue
R = Red O](/manual-img/14/57461/w960_57461-220.png)
M
2001 PRIUS (EWD414U)
[A]: System Title
[B]: Indicates the wiring color.
Wire colors are indicated by an alphabetical code.
B = Black W = White BR = Brown
L = Blue V = Violet SB = Sky Blue
R = Red O = Orange LG = Light Green
P = Pink Y = Yellow GR = Gray
G = Green
The first letter indicates the basic wire color and the
second letter indicates the color of the stripe.
Example: L ± Y
L
(Blue)Y
(Yellow)
[C]: The position of the parts is the same as shown in
the wiring diagram and wire routing.
[D]: Indicates the pin number of the connector.
The numbering system is different for female
and male connectors.
Example :
Numbered in order
from upper left to
lower rightNumbered in order
from upper right to
lower left
Female Male
The numbering system for the overall wiring
diagram is the same as above
[E]: Indicates a Relay Block. No shading is used and
only the Relay Block No. is shown to distinguish
it from the J/B.
Example : Indicates Relay Block No.1
[F]: Junction Block (The number in the circle is the
J/B No. and the connector code is shown beside
it). Junction Blocks are shaded to clearly
separate them from other parts.
3C indicates
that it is inside
Junction Block
No.3 Example:
[G]: Indicates related system.
[H]: Indicates the wiring harness and wiring harness
connector. The wiring harness with male
terminal is shown with arrows (
).
Outside numerals are pin numbers.
Female Male ( )
[I]: ( ) is used to indicate different wiring and
connector, etc. when the vehicle model, engine
type, or specification is different.
[J]: Indicates a shielded cable.
[K]: Indicates and located on ground point.
[L]: The same code occuring on the next page
indicates that the wire harness is continuous.
Page 222 of 1943

SYSTEM INDEX
M OVERALL ELECTRICAL WIRING DIAGRAM
2001 PRIUS (EWD414U)
SYSTEMS LOCATION SYSTEMS LOCATION
ABS 19±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning 24±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back±Up Light 6±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 11±4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combination Meter 23±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Lock Control 15±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric Tension Reducer 13±4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EMPS 20±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control 2±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gateway System 14±8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/ Daytime Running Light) 4±2. . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/o Daytime Running Light) 3±2. . . . . . . . . . . . . . . . . . . . . . . . .
Horn 12±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hybrid Vehicle Immobiliser System 2±16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Illumination 8±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Light 10±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Reminder and Light Reminder Buzzer 9±2. . . . . . . . . . . . . . . . . . . . . .
Light Auto Turn Off 9±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Navigation System 14±5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Source 1~24±1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Window 18±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator Fan and Condenser Fan 22±3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radio and Player 14±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Window Defogger 22±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Control Mirror 11±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Belt Warning 9±4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lock 13±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS 21±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Light 3±4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Taillight 7±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft Deterrent 17±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TOYOTA Hybrid System 1±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
* Charging
* Cruise Control
* Regenerative Brake
Turn Signal and Hazard Warning Light 5±2. . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper and Washer 12±3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wireless Door Lock Control 16±2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 223 of 1943

2001 PRIUS (EWD414U)
M
1
234
1 PRIUS ELECTRICAL WIRING DIAGRAM(
Cont. next page)
1C1B 2 1J 82C 2
2G 1W± R
B±GW± R
BATTERY 120A
MAI N 5A
DC/ DC±S1B 2A1F 11
1B 11J 9
F1 7 F18,
FUSI BL E LI NK
BLOCK NO. 2AB15 A AM2
10A BATT FAN
20A HV
C B
A
B
BB± R
G±Y
L±R
Power SourceTOYOTA Hybrid System
L±R
G± Y
B±R
2
7ACC
IG1
ST1
IG2
ST2 AM1 4
6
8 AM2
71J15A DOME
2A 5 2B 3
2 1
3 5 2D 6
5A AM1 10A GAUGE
2K 82D8
IDCowl side
panel LH
CHARGE OUT PUT CONTROLCRUI SE
IHRight kick panel 2B 62A 7 22 A 21 A
14 A 3 B2BF
G
I 114 14
A13
11
4 B± W
R± WB±Y W± G
LGR± BR± WB± W
W± B GR L±R G±YB± R
GR
LBR GR±B GR± L GR
GR± B
W± B
W± B
B±Y W± G
W±G
I15
IGNITION SW
L±Y
2G 2
2A 4L
L±Y
F10 F1 2,
FUSIBLE LINK BLOCK NO. 1ACF13, D
J11
JUNCTI ON
CONNECTORMPX + MPD1MPX ±
MPX ± MPX +
MPX 2
MPD2
MP2 +E10
ENGINE
CONTROL
MODULE
G 1
GATEWAY
ECU
A 7
A/C
AMPLIFIER C10 C1 1,
COMBINATION METERAB 100A
DC/DCIG1
RE LAYB 8
BODY ECU
16 15
1
D2 1
3 51A 2
1A 11K3
1BD W
1A2H 1 14 IK1
1J 3
2G 112B 5
W± B
H E W± B
1 2 B± W B± W
W
W
W±B
W±B B±W B±W W± B
W 3
WATER PUMP MOTOR
(
Inverter)
B± W W±BWW
B± W
F11 , B IG2 RELAY
Page 224 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
5
678
1 PRIUS (
Cont' d)(
Cont. next page)
6E 7E 2D
CA CA
BB
6ID1B A
16 D
AB AB
AA AAAB 31 D 24 D
IGCowl si de
panel RH1D 13D 14D 12D 23D 15D 22D 15E 13E 23E 22E 14E 12E 11E 21E
AB
AA AA5EG±Y
L±R
G
TOYOTA Hybrid System
B± WB±Y L W± B
W± B G± WY GL B WR
W± BW± B
W±B
B± WW±B W±B W±B
W± B L±R L±WL±B LG±RR± BWB R (
*1)
* 1 : Shielded
4
5
653421 25674 983E
A4E
A ST 2 I GSW ST1 ± CCS GND1 GND2 STP VCP1 VPA1 EP1 VCP2 VPA2 EP2 P N D B R VSFT SFT GSFT EOMH10 H11,
HYBRI D VE HI CLE CONTROL E CUCA
J18 J19,
J UNCTI ON
CONNECTORABJ24 J25,
J UNCTI ON
CONNECTORAB
(
*1)
J24 J25,
JUNCTI ON
CONNECTORABJUNCTI ON
CONNECTORB A J22 J23,
From Stop
Light SW
< 3±4>J21
JUNCTI ON
CONNE CTOR
J17
JUNCTION
CONNECTORA13
ACCEL POSI TI ON SENSORP 1
PARK / NEUTRAL
POSITION SW
C1 4
CRUI SE CONTROL SW
[COMB. SW]
H12 , B E, H13 D, H14
3
S 3
STOP L I GH T S WW±B W±B W± B W± B
W± B
W± B
A
B
C
HF
G
W±B R± W B±WL±R G± Y
B±R
R±W
B± W
B± W
CCS
CRUI SE
RES/ ACC
SET/ COAST
CANCEL
W±B
IW
D
W±B
E
D W
F W± B ECCVCP1 VPA1 EP1 VCP2 VPA2 EP2
E W± BC B± RDB
EA EA
1
W±B
W±B