engine TOYOTA PRIUS 2001 Service Manual PDF

2001 PRIUS (EWD414U)
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
J137J1737J24A37
J737J18A37J25B37
J8A37J19B37J32A38
J9B37J2137J33B38
J1037J22A37
J1137J23B37
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
223Engine Room R/B No.2 (Right Side of Reserve Tank)
324Engine Room R/B No.3 (Engine Compartment Right)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1K27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2A
2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2D30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2E
2K31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA142Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
IC142Front Door LH Wire and Cowl Wire (Left Kick Panel)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IG142Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)
IJ144Floor No.3 Wire and Instrument Panel Wire (Under the Instrument Panel Center)
IO144Engine Wire and Cowl Wire (Right Kick Panel)
IQ144Front Door RH Wire and Cowl Wire (Right Kick Panel)
BA146Rear Door No.2 Wire and Floor Wire (Center Pillar LH)
BB146Rear Door No.1 Wire and Cowl Wire (Center Pillar RH)
BC146Cowl Wire and Fuel Tank Wire (Near the Fuel Tank)
: GROUND POINTS
CodeSee PageGround Points Location
EA40Engine BlockEB40Engine Block
EC40Engine Compartment Left
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
IF42Left Kick Panel
IG42Cowl Side Panel RH
IH42Right Kick Panel
BI46Left Side of Rear Pillar
BJ46Right Side of Rear Pillar
BK46Back Panel Center
BL46Near the Fuel Tank

2001 PRIUS (EWD414U)
I GROUND POINT
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E140Engine Room Main WireB146Rear Door No.2 Wire
E340Engine WireB346Rear Door No.1 Wire
E540Engine Room Main Wire

2001 PRIUS (EWD414U)
J POWER SOURCE (Current Flow Chart)
Fusible Link Block No.1 (See Page 22)
FuseSystemPage
100ADC/DC
Illumination
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off
Taillight
TOYOTA Hybrid System92
11 4
104
88
54
Fusible Link Block No.2 (See Page 23)
FuseSystemPage
5ADC/DC±STOYOTA Hybrid System54
120AMAIN
ABS
Engine Control
Headlight (w/o Daytime Running Light)
Hybrid Vehicle Immobiliser System
Illumination
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off
SRS
Taillight
TOYOTA Hybrid System172
68
84
78
92
11 4
104
167
88
54
Engine Room R/B No.3 (See Page 24)
FuseSystemPage
7.5ADRLHeadlight (w/ Daytime Running Light)80
10AABS NO.4ABS172
30AHTR1Air Conditioning188
30AHTR2Air Conditioning188
40AABS NO.1ABS172
50AEMPSEMPS164
50AHTR3Air Conditioning188
Engine Room J/B (See Page 26)
FuseSystemPage
10ABATT FANTOYOTA Hybrid System54
10AHEAD (LH)Headlight (w/o Daytime Running Light)84
10AHEAD (RH)Headlight (w/o Daytime Running Light)84
10AHEAD HI (LH)Headlight (w/ Daytime Running Light)80
10AHEAD HI (RH)Headlight (w/ Daytime Running Light)80
10AHEAD LO (LH)Headlight (w/ Daytime Running Light)80
10AHEAD LO (RH)Headlight (w/ Daytime Running Light)80
10AHORNHorn
Theft Deterrent124
146
10ATURN±HAZTurn Signal and Hazard Warning Light96
*These are the page numbers of the first page on which the related system is shown.

2001 PRIUS (EWD414U)
J
FuseSystemPage
15AAM2
ABS
Engine Control
Hybrid Vehicle Immobiliser System
SRS
TOYOTA Hybrid System172
68
78
167
54
15ADOME
Combination Meter
Door Lock Control
Headlight (w/ Daytime Running Light)
Headlight (w//o Daytime Running Light)
Illumination
Interior Light
Key Reminder and Light Reminder Buzzer
Navigation System
Power Window
Radio and Player
Seat Belt Warning
Theft Deterrent
TOYOTA Hybrid System
Wireless Door Lock Control182
134
80
84
92
108
11 4
156
126
152
11 8
146
54
140
15AEFIEngine Control68
15ATHROEngine Control68
20AABS NO.3ABS172
20AHVTOYOTA Hybrid System54
30AABS NO.2ABS172
30ACDS FANRadiator Fan and Condenser Fan186
30AHEAD
Headlight (w/ Daytime Running Light)
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off80
11 4
104
30ARDIRadiator Fan and Condenser Fan186
50AHTRAir Conditioning188
Instrument Panel J/B (See Page 30)
FuseSystemPage
5AECU±IG
ABS
Electric Tension Reducer
EMPS
Gateway System
Navigation System
Radiator Fan and Condenser Fan
Shift Lock172
162
164
160
156
186
132
5APANELIllumination92
7.5AECU±BAir Conditioning
Combination Meter188
182
*These are the page numbers of the first page on which the related system is shown.

2001 PRIUS (EWD414U)
J POWER SOURCE (Current Flow Chart)
FuseSystemPage
7.5AECU±B
Door Lock Control
EMPS
Gateway System
Headlight (w/ Daytime Running Light)
Hybrid Vehicle Immobiliser System
Interior Light
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off
Power Window
Theft Deterrent
Wireless Door Lock Control134
164
160
80
78
108
11 4
104
126
146
140
7.5AOBDIIEngine Control
Theft Deterrent68
146
7.5ATAIL
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off
Taillight11 4
104
88
10AACC
Combination Meter
Gateway System
Navigation System
Radio and Player
Remote Control Mirror
Shift Lock
SRS182
160
156
152
130
132
167
10AGAUGE
ABS
Air Conditioning
Back±Up Light
Combination Meter
Door Lock Control
EMPS
Engine Control
Headlight (w/ Daytime Running Light)
Key Reminder and Light Reminder Buzzer
Light Auto Turn Off
Navigation System
Power Window
Rear Window Defogger
Seat Belt Warning
Theft Deterrent
TOYOTA Hybrid System
Turn Signal and Hazard Warning Light
Wireless Door Lock Control172
188
102
182
134
164
68
80
11 4
104
156
126
180
11 8
146
54
96
140
10AHTRAir Conditioning188
10ASRS ACCSRS167
*These are the page numbers of the first page on which the related system is shown.

2001 PRIUS (EWD414U)
J
FuseSystemPage
15ACIGCigarette Lighter122
15ASTOP
ABS
Engine Control
Shift Lock
Stop Light172
68
132
100
15AWASHERWiper and Washer120
20APWR1Power Window126
30ADOOR
Door Lock Control
Theft Deterrent
Wireless Door Lock Control134
146
140
30APOWERPower Window126
30AWIPERWiper and Washer120
40ADEFRear Window Defogger180
*These are the page numbers of the first page on which the related system is shown.

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) A 1
A/C Condenser Fan Motor90980±11237
A 2A/C Magnetic Clutch and Lock Sensor90980±10942
A 3A/C Triple Pressure SW (A/C Dual and
Single Pressure SW)90980±10943
A 4ABS Speed Sensor Front LH90980±11003A 5ABS Speed Sensor Front RH90980±11003
A 6Ambient Temp. Sensor90980±11070
A 7A/C Amplifier90980±11911
A 8A/C Amplifier90980±11913
A 9A/C Amplifier90980±11927
A10A/C Room Temp. Sensor
A11A/C Solar Sensor90980±11919
A12A/C Thermistor
A13Accel Position Sensor90980±11144
A14Air Inlet Control Servo Motor90980±11921
A15Air Mix Control Servo Motor90980±11909A16Air Vent Mode Control Servo Motor90980±11909
A17Airbag Sensor Assembly90980±11869
A18Airbag Sensor Assembly90980±11872
A19Airbag Sensor Assembly90980±11867
A20Airbag Squib (Front Passenger Airbag
Assembly)90980±11884
A21Airbag Squib (Steering Wheel Pad)90980±10850
A22Ashtray Illumination90980±12111
A23ABS Speed Sensor Rear LH90980±11060A24ABS Speed Sensor Rear RH90980±11060
B 1Brake Actuator90980±11087
B 2Brake Actuator90980±11161
B 3Brake Actuator90980±11698
B 4Brake Fluid Level Warning SW90980±11207
B 5Back±Up Light Relay82660±20340
B 6Blower Motor90980±10214
B 7Blower Motor Linear Controller90980±11676
B 8Body ECU90980±11971
B 9Body ECU90980±11973
B10Brake ECU90980±11935
B11Brake ECU90980±11476
B12Brake ECU90980±11637
B13Brake ECU90980±11638
B14Brake Warning Buzzer90980±10906
B15Battery Blower Motor82824±47130
B16Battery Blower Motor Controller90980±11676
B17Battery ECU90980±11392
B18Battery ECU90980±11424
B19Battery Fan Relay82660±20340
B20Buckle SW and Tension Reducer LH
B21Buckle SW RH and Seat Belt Warning
Occupant Detection Sensor90980±11471
C 1Camshaft Position Sensor90980±10947
C 2Camshaft Timing Oil Control Valve90980±11162
C 3Circuit Breaker Sensor90980±11898
C 4Converter90980±10942
C 5Converter90980±11963
C 6Crankshaft Position Sensor90980±12028
C 7Center Cluster SW90980±10801
C 8Cigarette Lighter90980±10760
C 9Cigarette Lighter Illumination90980±11148
C10Combination Meter90980±11927
C11Combination Meter90980±11923
C12Combination SW90980±11594
C13Combination SW90980±11672
C14Combination SW90980±11616
D 1DC Motor90980±10838
D 2Data Link Connector 390980±11665
D 3Daytime Running Light Relay90980±12034
D 4Diode (Door Courtesy)90980±11251
D 5Diode (Daytime Running Light)90980±10962
D 6Door Courtesy SW Front LH
D 7Door Courtesy SW Front RH90980±10871D 8Door Courtesy SW Rear LH90980±10871
D 9Door Courtesy SW Rear RH
D10Door Lock Control SW Front RH90980±10797
D11Door Lock Motor and Door Unlock
Detection SW Rear LH
90980±11150
D12Door Lock Motor and Door Unlock
Detection SW Rear RH90980±11 150
D13Door Lock Motor, Door Key Lock and
Unlock SW and Door Unlock Detection SW
Front LH
90980±11858
D14Door Lock Motor, Door Key Lock and
Unlock SW and Door Unlock Detection SW
Front RH90980±11 858
E 1Engine Coolant Temp. Sensor90980±10737
E 2Engine Hood Courtesy SW90980±11189
E 3EMPS ECU90980±12012
E 4EMPS ECU90980±11579
E 5EMPS ECU90980±12120
E 6EMPS ECU90980±11923
E 7Engine Control Module90980±11421
E 8Engine Control Module90980±11476
E 9Engine Control Module90980±11637

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

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.

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .