TOYOTA PRIUS 2001 Service Workshop Manual

2001 PRIUS (EWD414U)
MEMO

2001 PRIUS (EWD414U)
TOYOTA HYBRID SYSTEM
C 1
1D1B 215A
AM2 1J 9ST2IG2 AM2 6
BATTERY7
IGNITION SW I15
FUSIBLE
LINK
BLOCK
NO. 1D F1 2 , F13C
B±G B W±R W±R
2C 2
2G 1
120A MAIN
1
FUSIBLE
LINK BLOCK
NO. 2 F18A CACE 7
B B
ID1 63 4D 2D16 ST1± IGSW CCS
B±W
B±Y
L LB±W
B±W
E 6ST2
R±W
STOP LIGHT SW S 3
B±W 8
IGA AAAB A B A B AD 31 D24
5
A 4
CRUISE CONTROL SW
[COMB. SW] C14
W±B W±B
W±B
W±BW±B
W±B
D 1STP GND1 GND2
G±W
JUNCTION
CONNECTOR J17
FROM STOP LIGHT
SW
W±B JUNCTION
CONNECTORB J18 , J19A
JUNCTION
CONNECTORB J24 A , J25
H14 , D H13 , E H12 , B CH11, H10 A
HYBRID VEHICLE CONTROL ECU
B±W
CCS
CRUISE
RES/ACC
SET/COAST
CANCEL 11 2G52B
1J 3
32 51
1A 21K3
IK1 14
M
1 2
E 5
B±W B±W B±W
W±B W±B W±B
W± B
WATER PUMP MOTOR
(
INVERTER) W 3
IG2
RELAYB±W
B±W
R±W
W±B ECC

2001 PRIUS (EWD414U)
I 4D 13 D14 D23 D22
6541
Y
G
B
R R B GYW± B
(
*1) W± B
E 15 E13 E23 E22 E14 E12 E11 E21 E5
A EB D
ID 2K 82D 8A AAAB AI 2 VCP1 VPA1 VCP2 EP2 P N D B R VSFT SFT GSFT
25674 983
L±R
L±W
L±B
LG±R
R±B
W
B
R L±R
L±W
L±B
LG±R
R±B
W
B
R
W±B(
*1)
W±B W±B W±B
W±B W± B W± B
E E
JUNCTION
CONNECTOR J11JUNCTION
CONNECTOR J21
W±B
JUNCTION CONNECTORB J22 A , J23
JUNCTION
CONNECTORB J2 4 , J2 5A ACCEL POSITION SENSOR A13
PARK/NEUTRAL
POSITION SW P 1H14 , D H13 , E H12 , B CH11, H10 A
HYBRID VEHICLE CONTROL ECU
EOM
A W± BW± B VCP1 VPA1 EP1 VCP2 VPA2 EP2
LL
3 12 DEP1
WW
2 15 DVPA2
A E
1
W±B W± B
* 1 : SHIELDED

2001 PRIUS (EWD414U)
TOYOTA HYBRID SYSTEM
A 7A2A1A6A3A8A9A4B5B2C 13 C 20 C 1 C 8 C 12 C 5 C 17 C 10 C 4 C 11
I 8
I 8
A B A B
B C A B
B C 1A 11K 3
G
R
B
W
Y
BR
G±W
B±R
G
RRG B±R G± WBRY WB R G
W± B
W±B
W±B
W±B W±BW±B
(
*1)(
*1) (
*1)
(
*1)
W± B
W±B
HYBRID VEHICLE CONTROL ECUA H10 , H11CB, H12 E, H13 D, H14
JUNCTION
CONNECTORB J 8 , J 9A
W± B W± B
W± B
W± B MSN MSNG GMT GMTG GCSG GCS GRFG GRF GSN GSNG
(
*1)
W± BGSNG GSN GRF GRFG GCS GCSG GMTG GMT MSNG MSN
MOTOR GENERATOR
NO. 2C M 3 , M 4
B
MOTOR GENERATOR
NO. 1M 2
A

2001 PRIUS (EWD414U)
B 3B6B1B4C3C1C 2 C 9 C 18 C 19 C 21 C 14
I 8I 8
P
L
B
W
R±W
GR GRR±WWBL P (
*1)
(
*1)
(
*1)
HYBRID VEHICLE CONTROL ECUA H10 , H11CB, H12 E, H13 D, H14
W± B
W± BMMT MMTG MRFG MRF MCSG MCS
(
*1)
W± B
W±B
D 6 D 8 D 29 D 19 D 27 D 28
IG A
JUNCTION
CONNECTOR J17JUNCTION
CONNECTOR J1 8
B BB
L
Y
BR
R±Y
OP
O R±YBRYL P(
*1)
(
*1) (
*1)
(
*1) W± B W± B
SPDO ESTP HTE± HTE+ ETH± ETH+
C 10
SPHV C 16
ESTP C 18
HTE± C 19
HTE+ C 27
ETH± C 28
ETH+
D 13MPX2
D 14MPX1 ENGINE CONTROL MODULED E 9 , E10C
GR GR± L
16
15
GR±B
MPX±
MPX+
BODY ECU B 8
GR±B
GR
W± B W± BW± B
W± B MCS MCSG MRF MRFG MMTG MMT
MOTOR GENERATOR
NO. 2C M 3 , M 4
BB 10
GO
G G
GO
21 CIA2 9
11
4 MPD2
MPD1
4
11MP2+
MPX+
GR±B
G 1
GATEWAY ECU A 7
A/C AMPLIFIER GR
* 1 : SH IELD ED

2001 PRIUS (EWD414U)
TOYOTA HYBRID SYSTEM
A 21 A13 A11 A6A4A5A26 A16 A7A17 A20 A25 A19 A8A18 A28
C 7D4D5D3D1D2D6C1C3C4C5C2B1B3B4B2GIWA GIWB GI VB GI VA MI WA VB MI WB MIVB MIVA MIVG MVU MUU MWU MIT MSDN MSIV
IE
G
R G WB R
Y G WB
B WR GL YG
R G WB RY G WB
B WR
GL Y (
*1) (
*1) (
*1) (
*1)
(
*1)
(
*1)
(
*1)
(
*1)
W± B
W± B
AAAA
A AJUNCTION
CONNECTOR J 7
JUNCTION
CONNECTOR J 1HYBRID VEHICLE CONTROL ECUA H10 , H11CB, H12 E, H13 D, H14
INVERTERC I 9 , I10DA, I11
A B 6
W± B
W± BGR±B
GR GR±B
GRB , I12
W± B
A
W± B
A
W± B
W± BE , I13 F, I14 M±SINV M±SDOWN M±INVT M±WU M±UU M±VU M±GINV M±IVA M±IVB M±IWB VB M±IWA G±IVA G±IVB G±IWB G±IWA
GND
A
EC W±B

2001 PRIUS (EWD414U)
A 12 A23 A3A2A1
A 4A5A3A2A1A6A 27GIVG GUU GVU GWU G1 T GSDN
C 8B7B8 A 14 A15 A24 MFIV GSIV GFIV
B GB
B R WGL Y
B GB
B R WGL Y
(
*1)HYBRID VEHICLE CONTROL ECUA H10 , H11CB, H12 E, H13 D, H14
INVERTERA , I11
* 1 : SHIELDEDE 1 F 1
O O
O(
*2) O(
*2)
GR±B
GR GR±B
GRB , I12
(
*2)
(
*2)
* 2 : HIGH VOLTAGE (
273. 6V)34D 5D
IA1 13 12 IA1
I 9 B 4
2
IH1 2
B±R B±R
A
L±O
W±G W±G W±G
W±G L±O
W±G
+B1 +B2 NODD
A 4A1
B 5
W±GFUSIBLE LINK
BLOCK NO. 2 F175A DC/DC±S
CONVERTERC 4 A
A 2
14 IE1
10
Y Y
IDH
A/C
AMPLIFIER A 7 FROM POWER SOURCE SYSTEM
(
SEE PAGE 50)
W±G E 4
C 6IH1 4IF1 10
O O V±R V±R
ILK
2 1
INTERLOCK SW I17 W±G
E , I13 F, I14B , C 5
100A DC/DC
F10
FUSIBLE LINK
BLOCK NO. 1 W
1
B 1
CEI CBI IGCT G±SDOWN G±INVT G±WU G±VU G±UU G±GINV M±FINV G±SINV G±FINV CVRSW NODD AMD S IGCT
IDH C I 9 , I10D
Y

2001 PRIUS (EWD414U)
TOYOTA HYBRID SYSTEM
BJA 22A 17 A16 IB1 10 IB16 D 26 D25
R±W
B±L W± B W± B
R±W
B±LR±W
B± L
BATTERY ECUB B1 7 , B1 8A HYBRID VEHICLE CONTROL ECUA H10 , H11
CB, H12
E , H13
D , H14
GB 1B
O(
*2)
O(
*2)
IHO(
*2)
GR±B
GR
BR
10A
GAUGE FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2A 515A
DOME
1J 7
L±Y
2G 2
2A 4L
L
A 21 A 22
CHARGE
OU TPUT
CONTROL
CRUISE
A 14 B2
L
COMBINATION METERB C10 , C11A
LV±W
2B 7
2A 6
A 13A G
B GIE1 19B 8SPDI
JUNCTION
CONNECTORB J27 , J28A
V±W V±W
W±R
2A 1IH1I 9 W±GW±G
B 3
62B 72AO(
*2)
W±R GR GR±B L
W± B
W±G

2001 PRIUS (EWD414U)
IH1 8IH19 B 13 B2
IF1 11E 1
B 4B10 B3 A 6A7A18 A19E 18 E 19 E 20 E 2
B 2
B B B BA CAC
W
B
R
GW
B
R
G
W± B
W± B
Y
Y±B
Y±RW
B
R
G
V
GR
P V
GR
P Y±RY±BY
W±B
BATTERY ECUB B17 , B18A
JUNCTION
CONNECTORB J32 A , J33
HYBRID VEHICLE CONTROL ECUA H10 , H11CB, H12 E, H13 D, H14
CON1 CON2 CON3 HTD+ HTD± DTH+ DTH±
* 1 : SHIELDED
B 1 A 1
W± B
O(
*2)IF2 5 IF2 1IF22IF24IF23* 2 : HIGH VOLTAGE (
273. 6V)
W±GW±G
1C 7A 2A 6A5A 4A 3A
1D 1E
O(
*2) O(
*2)
W± B
O(
*2)
O(
*2)(
*1) (
*1)
O(
*2)
W± B
W± B
SYSTEM MAIN RELAYE S11
D, S12C , S10 S 9 , A S 8 B

2001 PRIUS (EWD414U)
TOYOTA HYBRID SYSTEM
HYBRID VEHICLE CONTROL ECUA H10 , H11
CB, H12
E , H13
D , H14
W± BW± B HTB± BTH+
18 D
G
14
HVO+ HVO±22
R
D 17BTH±
30 D
V
16
HVI± HTB+
20 D
LG
24
HVI+ B 14 B15
1
2
G±R
G±R BR±B CIRCUIT BREAKER SENSOR C 3
AS1G AS1
BRAKE ECU B1 1
GR± B
V± Y
GR
O
LG±B
L±O
LG
P
Y± B
L±W
L
LG±R
Y
P±L
G
L±R
G± W
R
W
L±B
14 2 15 3 16 4 17 5 18 6 7 20 8 21 9 22 10 23 11 24HYBRID VEHICLE BATTERY
BUSBER MODULED 10TC
D 21SIL
D 9WF SE
ID1 2ID11 ID1 10CE
E
13 15C
E
P
P±B P±BY Y
P±B P
P±B
W± L W±L
EJUNCTION
CONNECTOR J1 6
TC WF SEE 10HAI
Y±R
E 9HAO
Y±R12
OP28
OP3JUNCTION
CONNECTOR J26 W±GW±G
W
1234
L
L
B
B
W
W
5
W
7
SIL
O(
*2) O(
*2)
A 1B 1
SERVICE PLUG
O
(
*2)O
(
*2)
HYBRID VEHICLE BATTERY
BUSBER MODULESENSOR
O O
(
*2)
(
*2)
HYBRID VEHICLE
BATTERYB H16 , H17A
BATTERY ECUB B17 , B18A
W
DATA LINK
CONNECTOR 3 D 2