Page 225 of 1943

2001 PRIUS (EWD414U)
M
11 12
10 9
(
Cont. next page)
1 PRIUS (
Cont' d)
A
BG± Y
L±RA
B G±Y
L±R
2C
1B
BA BA
CB CB BA 28D 27D 19D 29D 8D 6D
GI 11 C C4 10C 17C 5C 12C C8 1C20C13C14C21C C19 18 C 9 C
7A 2A A1 6A3A8A9A4A5B2B3B6B1B4B3C
TOYOTA Hybrid System
To Engine Control Module
< 2±13> < 2±14>
W± B
(
*1) (
*1) PLY BR (
*1) R±YO
(
*1)
* 1 : Shielded
W±B W±B
W±BW±B
W±B GR
B WY BR G±WB±RGR
PL B W R± WGR
W±B
ETH+ ETH± HTE+ HTE± E STP SP DO GSNG GSN GRF GRFG GCS GCSG GMTG GMT MS NG MS N MCS MCS G MRF MRFG MMTG MMT
GSNG GSN GRF GRFG GCS GCSG GMTG GMT MS NG MS N MCS MCS G MRF MRFG MMTG MMT
JUNCTION
CONNECTORB A J 8 J 9,
(
*1)
(
*1)
(
*1)(
*1)
(
*1) (
*1)
(
*1)(
*1)
BB
J18
JUNCTI ON
CONNECTOR
W±BH10 H11, CAB E, H13 , H12 D, H14
HYB RI D VE HI CL E CONTROL E CU
W± BW± B W± B
DW
FW±B(
*1) (
*1)
M 2
MOTOR GE NERA TOR NO. 1AM 3 M 4,
MOTOR GENE RATOR NO. 2BC
EW±B
H W CB±R
G B± R
IE Cowl si de
panel LH
(
*1) (
*1) (
*1) (
*1)
W±B W±B
W±B AAAA
A AA
A J 1
JUNCTION
CONNECT OR
J 7
JUNCTI ON
CONNECTOR
C
D
E
F (
*1) (
*1) (
*1) (
*1) 10 B
GGO
B
Page 226 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
15 16
14 13
(
Cont. next page)
1 PRIUS (
Cont' d)
A
BG± Y
L±R
21 A 13 A
7C 4DA 11
5D D3 6A A4
1D D2 5A A26
6D C1 16 A A7
3C C4 17 A A20
5C C2 25 A A19
1B B3 8A
4B 18 A
2B 28 A
4A 12 A
5A 23 A
3A 3A
2A 2A
1A 1A
6A 27 A
8C 14 A
7B 15 A
8B 24 AA
B G±Y
L±R
6B4E
10 IF1
4IH1
6C 1E 1FD
E
TOYOTA Hybrid System
GYL G (
*1)
R WB B WGR
Y B WGR YL G WR
B B GB OO V±RV±R
W±B
O(
*2)
O(
*2) 1
2
(
*1)(
*1)(
*1)
I17
INTERLOCK SW H1 0 H11, CAB E, H13 , H12 D, H14
HYB RI D VE HI CL E CONTROL E CU
I 9 I10,
I NVERTERDC MSI V MS DN MI T MWU MU U MVU MI VG MI VA MI VB MI WB V B MI WA GI VA GI VB GI WB GI WA GS DN GI T GWU GVU GUU GI VG MFI V GS I V GFI V I LK
I11 , A* 2 : High Voltage(
273. 6V)
I12 , B
HW1B
W
I13 , E I14, F* 1 : Shielded
C
D
E
F(
*1) (
*1) (
*1) (
*1)
W±B
IB±R
GD 5 D 4
IA1 13 IA1 12+B 1 +B 2
W± G W± G
W± G W± G
W±G
1A 5B4A 4B
IH11
2IH13A 2A
14 IE1 W±G W±G
YB±RY
L±O L±OW±G W± G
C
F W± G
W±R W± G
W±G
NODD
To A/C Amplifier
< 24±6> C 4 C 5,
CONV ERTE RABI GCT M± SI NV M±SD OWN M±I N VT M± WU M± UU M±VU M±GI NV M± I VA M± I VB M±I WB V B M±I WA G±I V A G±I VB G±I WB G±I WA G± SDOWN G± I NV T G±WU G± VU G±U U G±GI NV M±FI N V G±SI N V G± FI NV CVRSW CBI CEI
GND NODD IGCT
IDH AMD S
Page 227 of 1943

2001 PRIUS (EWD414U)
M
19 20
18 17
(
Cont. next page)
1 PRIUS (
Cont' d)
A
BG± Y
L±R
14 B 15 BA
B
13B2B1E
4B 10B 3B 22 A
BJRight s ide of
rear pillar CA
BB 1C 1B E D
CA
BB 9D 10D 21D
10 ID1
To Data Link Connector 3
<2±5><2±6>8IH1 9IH111 IF12E
6A8A 3IF1 20 E
7A19 E
18 A18 E
19 A10 IB126 D
17 A6IB1 25 D
16 AF 20 D 3 E 7 D30 D 18 D 17 D
Fr om Br ake ECU
< 19±9>
From Air bag Sens or
Assembly< 21±3> From Transponder
Key Computer< 2±16>
TOYOTA Hybrid System
H1 0 H11, CAB E, H13 , H12 D, H14
HYB RI D VE HI CL E CONTROL E CU
PP P±B W± LV GRP BR± BG± R
V GRP
W±B W±B W±B Y Y± B Y±RW
WB R G R± WB± L
WB R G (
*1) R±WB±L
(
*1)
WB R G R± WB±L LGV G
RL B± WWFS E TC S I L CON1 CON2 CON3 A S1G A S1 HTD+ HTD± DTH+ DTH± GB I B HTB+ HTB± BTH+ B TH± AB FS FCV C
To Data Link Connec tor 3
<2±6>W± B W± B
W± B
W± B O(
*2)
O(
*2)1
2
W
S 8 S 9,
SYSTEM MAI N REL AYAB
J32 J33,
JUNCTION
CONNECTORAB
B17 B18,
BATTERY ECUAB
C 3
CI RCUI T B REA KER
SENSOR
G±Y
L±R * 2 : High Voltage(
273. 6V)
W± B 3A 4A 5A
7A 2A 6A 1AC , S10 9E
YHA O
10 E
Y± RHAI
5IF2 1IF2 2IF2 4IF2 3IF2* 1 : Shielded
To Combinat ion Meter
< 23±2>8BSPDI
19 IE1V±W V±W
F
2A
W± R
W± R CC W± G W±G
1D 1E
O(
*2)
O(
*2) , S11 D , S12 E
E D O(
*2)
O(
*2)
Page 228 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
23 24
22 21
1 PRIUS (
Cont' d)F A
B
BB
BA BA 4IA1 G± Y
L±R
5IH1 3D 7B
1A22
222 1
5 3
9B 2B 8B
BI Left s ide of
rear pillar2 1
M2 1
5 3
IECowl si de
panel LH 7IH1
W±B
TOYOTA Hybrid System
H10 H11, CA BE, H13 , H12 D, H14
HYB RI D V EHI CLE CONTROL ECU
34
BA
A 21
BA
JUNCTI ON
CONNE CTORB A J 2 J 3,
B1 7 B18,
BATTERY ECUABLG±R MRE L BATT
G±Y G±YG± Y G± Y
G±Y
G±Y W± G
G± YL L
LG±RL±B L±R W± B W± BW±B W±B
W± B L±B L±B
L W± B L±R L±R
J32
JUNCTI ON
CONNECTORJ 7
J UNCTI ON
CONNE CTOR
J 1
J UNCTI ON
CONNE CTOR
IGCT
REL AY
B19
BATTERY FAN
RELAY W±G
C
O
V± Y
14 2GR±BGR
15
O3
LG±B16
L±O4
LG17
P5
Y± B18
L±W6
L7
LG±R20
Y8
P± L21
G9
L±R22
G±W10
R23
W11
L±B24 HYB RI D VE HI CL E BA TTERY
BUSBER MODULE
L1
L2
B3
B4
W5
W6
R7
R8
G9
G10 O O
(
*2) (
*2)SERVICE PLUG O(
*2)
E DO(
*2)
1A1B
HYBRI D VEHI CLE BATTERY
BUSBER MODUL ESENSOR
O
(
*2)
HYBRI D VEHI CL E BATTERYB A H16 H17,
* 2 : High Voltage(
273. 6V)
ECEngine
compartment
leftW± BA B1 5
BATTERY BLOWER
MO TOR
B16
BAT TERY BLOWER
MOTOR CONTROL LER
Page 229 of 1943
2001 PRIUS (EWD414U)
MEMO
Page 230 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
2 PRIUS(
Cont. next page)
1C
1D1B 215A
AM2 1J 9
2 1
3 5
2 1
3 5
15A
EFI
1K 31F11A10 1F 12 1F13 1A31A4 1A 2
1B2H 12D 9
15A
THRO1J 3 1A 8
14 IA1 4IA2
7 3
M
IG Cowl si de
panel RH IE Cowl si de
panel LHCA
ABC
E
M
N G
I
J
K D
3B 4B
1 2
5 3
EFI
REL AY CIR OPN
RELAY
2ACC
IG1
ST1
IG2
ST2 AM1 4
6 7AM2
5
2B11
2G
7. 5A OBDII5A AM1
2B 3
2 1
5 3 2D 6
10A GAUGE
2A 5
22 AB
H
L F
2C 5A
7. 5A ECU±B
1
2G 2
2C
B± G
W B±Y
W± G
W± L
R± GIG1 RELAY IG2 RELAY
B± YB±WG± RGR
L
G± RB± R G± RB
B R± W
W± BB±R
G±R
W±B W±BW±B
L W± R
B± WR±G
W± L
B
B± W
B± W
GR
G± R
R± W
G± R
G± R
GR± B
B
B
B± W
B
BB± W
120A MAI NBATTERY F18
FUSI BLE
LINK BLOCK
NO. 2 1
A A
A F11 F12,
FUSIBLE
LI NK BLOCK NO. 1BCDF13 , 100A
DC/ DCI15
IGNITION SW W±R
J 7
JUNCTI ON
CONNE CTOR
J 1
J UNCTI ON
CONNE CTORAF1 6
FUEL
PUMP
J17
JUNCTI ON
CONNE CTOR
JUNCTI ON
CONNECTORB A J 4 J 5,
19 IA1 CA B2B GR
11
4
A 7
A/ C AMPLI FI ER
MP2 + MPX + MPX + MPX ± 16
15GR± B
GR
B
DD
J26
J UNCTI ON CONNECTOR W±L
C1 0 C11,
COMB I NATI ON
METERAB
B 8
BODY ECU
Engine Control
2K 8
ID Cowl side
panel LHJ11
JUNCTI ON
CONNECTOR A2D 8
W± B
O
W±B
W±BW±B
Power Source
GR
MAL FUNCTI ON
INDICATOR LAMP
B±W
BL Near the
f uel tankA A
8BC1J18
J UNCTI ON
CONNE CTOR W± B
W±B
A
W±B W±B
14 A
IHRight kick panel 2A 7
2B 6
LBR
Page 231 of 1943

2001 PRIUS (EWD414U)
M
78
6 5
(
Cont. next page)
2 PRIUS (
Cont' d)
6A
3B 9B 25C6D 8C
14 IO1 14 ID2
EBEngine block29 A
M
N KJI GE
C
11 A 12 A 13 A 14 A D
2 1
EAEngine block4B 22B 10B 19B
1 2112 B 14 BD
F
G
H
I 14 D 6C B
HF
L AA
C
13 D R±G
GR
B W±L
B
B±W
GR B±W
G±R
G±R R± W
G±R
GR±B
B16 13 714
1143 45
432
1 BAT TC SI L
CG SG14 14 14
32 32 32
5 2E R±G
B± WB
B± W
BR
B
B
(
*1) B± W B± W B±W
B±R B±R B±R W± B W± B W± B
P±B
BGR±B
BB
B
W± LW±LP±B G± RGR
GR Y±GWGY
B± W W± B B± W W± B B± W W± B B± W
W±B
BR
W± BBR BRGR± L
G±R
G±R
R± WB R±L BB R±BGR W Y± B
BR
MP D2
MP D1 BATT FC MREL MPX1 +B EVP1 THA VG EVG THW MOPSSIL TC W +BM MPX2 IGT1 IGT2 IGT3 I GT4 E
EC E
EC 1ID1 2ID1
W± LP±B
P±BW
J26
JUNCTI ON
CONNECTOR
I 1
I GNI TE R COI L AND
I GNI TE R NO. 1 I 2
I GNI TE R COI L AND
I GNI TE R NO. 2 I 3
I GNI TE R COI L AND
I GNI TE R NO. 3
V 2
VSV(
EVAP)
M 1
MASS AI R
FL OW METER
E 1
ENGINE COOLANT
TEMP. SENSOR O 1
OI L PRESSURE SW
BR
25 A B±W
B± R B± R
B± R
B± RIGF
I 4
I GNI TE R COI L AND
I GNI TE R NO. 4
(
*1)
* 1 : Shielded
E ngine Control
OW±BE 7 E 8, ENGI NE CONTROL MODULE ABE 9, C E10, D
J24
JUNCTI ON
CONNECTORAA
Fr om Airbag Sensor
Assembly< 21±3>
3ID1
From Brak e
ECU< 19±12>
From EMPS
ECU< 20±4>J16
JUNCTION
CONNECTOR
AA
CBAA
Fr om Bat tery
ECU< 1±20>E E E
6
AB
J22 J23,
JUNCTI ON
CONNECTORAB
P±B
B± YW
GR±G
GR±G
W
W
GR± G GR ±G
W±B 14TS
B
BB
J16
JUNCTI ON
CONNECTOR W±L
W±L
Y
12OP2 11
OP 1
B± R
B B± R
W±B
W±LE
From Hybrid Vehicle
Contr ol ECU< 1±17> From Brak e ECU
< 19±11> From EMPS ECU
< 20±4>
P±B P±B
C C
P±BC
D 2
DATA LI NK
CONNE CTOR 3E
P± B
Fro m Mul ti
Display< 14±7>
P
WFS E
15
Y±ROP3
8
From Hy brid
Vehicle Contr ol
ECU< 1 ±17 >
W
CB
From
Airbag Sensor
Assembly< 21±3>
G 1
GATEWAY
ECU
Page 232 of 1943

2001 PRIUS (EWD414U)
M OVERALL ELECTRICAL WIRING DIAGRAM
11 12
10 9
(
Cont. next page)
2 PRIUS (
Cont' d)
2 1
5B2 1
6B2 1
1A2 1
2A
14 C 2 B 22 C
9IO1
BB CA CA CA15 IO1
3BC1 7BC1 4BC1 C
F
G
H
ICAAB AB
5BC11BC1
1 2
2BC1 6BC1
11C 13C 7A 8A 30A1 2
23 A 24 A
23 B B21
7IK1 6IK1 1IK1 1IE1 2IE1 22IE11D 12D 16D
DAEB EB EB 18 B11 D 7 D 12 D AA
C
D
E ER±G
B±WB
B±W
BR
B
B
(
*1)B± W B± W B± W B± W
B±R
BR BRBR
BB± W B± W
B± W
B± W
Y B± R L±W R±WB± R B B BBB LLPLY± R W± G
V±W V±W BRY±R Y±R
Y±RY±RL±RBR Y± RPL
BR
BR
L±RBR BRBR P±LW
P±LW
P±LW BR BR BRY G± Y
I 5
I NJECTOR NO. 1 I 6
I NJECTOR NO. 2 I 7
I NJECTOR NO. 3 I 8
I NJECTOR NO. 4N 1
NOI SE FI LTER
(
Ignition)
V 1
V ACUUM SE NSOR
(
HC Adsor ber and
Ca t aly st Sys t em)
V 4
VAPOR PRESSURE SENSOR J 8 J 9,
J UNCTI ON
CONNE CTORAB
J UNCTI ON
CONNE CTORB A J 4 J 5,
T 2
THROTTL E CONTROL MOTOR
H 3
HEATED OXYGEN SENSOR
(
Bank 1 Sensor 1)H 9
HEATED OXYGEN SENSOR
(
Bank 1 Sensor 2) J22 J23,
J UNCTI ON
CONNE CTORAB
V 5
VSV(
Canister
Clos ed Valve) C 2
CAMSHAFT TIMING OIL
CONTROL VA LVE
T 3
THROTTLE POSITI ON
SENSOR HCL S VC PTNK VTA VTA2 E2 HT1A OX1 A#10 #20 #30 #40 TBP CCV M± M+1
V 6
VSV(
Par ge Flow
Swit chi ng Val ve)
(
*1)
12
GE01 OCV + OCV ±
2 321123
413 134
2 BRY± RY± R
BR
(
*1) (
*1)(
*1) (
*1)
(
*1)
(
*1) E11 OX1B HT1B
(
*1)
IP112
B2 431R±G
B± W * 1 : Shielded
E ngine Control
E 7 E 8,
ENGINE CONTROL MODULEABE 9, C E10, D A C A C
BB
D 9
B± W , J25 J24 A B
JUNCTI ON CONNE CTORIGSW
B± W
B± W
B BB±RB± R
B C 20
6IO1
1 2
B±W B±W BHCC
V 3
VSV(
HC Adsorber and
Cat alyst Syst em)BBR
VC VTA1 VT A2
E2