lock TOYOTA PRIUS 2001 Service Owner's Manual

2001 PRIUS (EWD414U)
POWER SOURCE
HEAD RELAY
2±1 : Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
Closed with the engine running and the parking brake pedal released (Parking brake SW off) [w/ Daytime running light]
TAIL RELAY
5±3 : Closed with the light control SW at TAIL or HEAD position
I15 IGNITION SW
2±3 : Closed with the ignition key at ACC or ON position
2±4 : Closed with the ignition key at ON or ST position
7±6 : Closed with the ignition key at ON or ST position
7±8 : Closed with the ignition key at ST position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
F10A34F13D34I1537
F11B34F17A38
F12C34F18B38
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
324Engine Room R/B No.3 (Engine Compartment Right)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2B
2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2D
()
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)2H31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
SERVICE HINTS

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)
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
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
223Engine Room R/B No.2 (Right Side of Reserve Tank)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1A27Engine Wire and Engine Room J/B (Engine Compartment Left)
1B
1F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1K
2A
2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2D
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
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)IA242Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
IB142Floor Wire and Cowl Wire (Cowl Side Panel LH)
ID142Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IE142Instrument Panel Wire and Engine Room Main Wire (Left Kick Panel)
IF142Instrument Panel Wire and Floor Wire (Left Kick Panel)IF242Instrument Panel Wire and Floor Wire (Left Kick Panel)
IH142Floor Wire and Engine Room Main Wire (Left Kick Panel)
IK144Engine Wire and Engine Room Main Wire (Right Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
EC40Engine Compartment Left
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
IG42Cowl Side Panel RH
IH42Right Kick Panel
BI46Left Side of Rear Pillar
BJ46Right Side of Rear Pillar
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E540Engine Room Main WireI844Engine Wire
I244Instrument Panel WireI944Engine Room Main Wire
I444Cowl WireB246Floor Wire

2001 PRIUS (EWD414U)
ENGINE CONTROL
120A MAIN
1C 1
D 11B 215A
AM2 1J 92C 2
2G 176AM2 IG2
ST2
32 512B 5
2G 11
1J 3
1K 3
BL 1A 2
EA 15A
EFI
32 51
1F 11A10 1A31A4 13 25
1F 12 1F13
IA2 4IA114
7 3
IGA C
B AIA1 19 A
AA A
FUSIBLE LINK
BLOCK NO. 2 F18
JUNCTION CONNECTORB J 4 A , J 5FUSIBLE LINK
BLOCK NO. 1D F1 2 C , F13
W±BW±B W±B W±BB±G B W±R W±R
B±W B±W
B±W
B B G±RB±R G±R
B±R
B B
BB
W±B
B
B±W
B±W
R±W
G± R
G± R
B
B B±W
B±W
A C
FUEL PUMP F1 6
CIR OPN
RELAY
EFI
RELAY FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
IGNITION SW I15
IG2
RELAY
JUNCTION
CONNECTOR J17B
BATTERY
JUNCTION
CONNECTOR J 7
JUNCTION
CONNECTOR J 1
A
A
JUNCTION
CONNECTOR
IEBC1 8
A
W±BJ18
W±B W±B
M

2001 PRIUS (EWD414U)
ENGINE CONTROL
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1A27Engine Wire and Engine Room J/B (Engine Compartment Left)
1B
1F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1K
2A
2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2D
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
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)
EA140Engine Wire and Engine No.4 Wire (Near the Radiator Fan)
IA142Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)IA242Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
ID142Instrument Panel Wire and Cowl Wire (Left Kick Panel)ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IE142Instrument Panel Wire and Engine Room Main Wire (Left Kick Panel)
IK144Engine Wire and Engine Room Main Wire (Right Kick Panel)
IO144Engine Wire and Cowl Wire (Right Kick Panel)
BC146Cowl Wire and Fuel Tank Wire (Near the Fuel Tank)
: GROUND POINTS
CodeSee PageGround Points Location
EA40Engine BlockEB40Engine Block
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
IG42Cowl Side Panel RH
IH42Right Kick Panel
BL46Near the Fuel Tank
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E340Engine WireI644Instrument Panel Wire
E440Engine WireI744Engine Wire

2001 PRIUS (EWD414U)
HYBRID VEHICLE IMMOBILISER SYSTEM
7. 5A
ECU±B FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2C 5
A A AA F
B H
5JUNCTION
CONNECTOR J20
JUNCTION
CONNECTOR J11 1
12
R±G R±G R±G LG±B
W±B W± B W±B
+B HEVC
IND
JUNCTION
CONNECTORB J27 A , J28
ID2 10 ID2 11 76
15A
AM2
1B 21J 92C 2
2G 1
D 1C 1
120A MAIN
1AM2 IG2
ST2
IFC 8
B 7B E
A A
JUNCTION
CONNECTORB J27 A , J28
JUNCTION
CONNECTORB J27 A , J28
B F
A D
JUNCTION
CONNECTORB J12 A , J13
B D
A B
JUNCTION
CONNECTORB J27 A , J28
A A
B A
JUNCTION
CONNECTORB J24 A , J25
ID A A
2D 8
1 2ID1 9B B
IB1 3
1 ID2 8
JUNCTION
CONNECTOR J10
JUNCTION
CONNECTOR J20
46711 7
238
6DATA LINK
CONNECTOR 3 D 2
HYBRID VEHICLE
CONTROL ECU H14
CENTER
CLUSTER SW C 7
DOOR COURTESY
SW FRONT LH D 6
UNLOCK WARNING SW U 1RADIO AND PLAYERC R 3 B , R 4FUSIBLE LINK
BLOCK NO. 1D F1 2 C , F13 BATTERYB±G B W±R W±R
B±W B±W B±W
B±R
B±WB±R R±W
L±B
W±BL±B L±B L±B
W±BR±W R±WLG±B BR BR
LG±B
2K 8
A IG D
KSW CTY
LG±B
FUSIBLE LINK
BLOCK NO. 2 F18
W±B
W± B ID1 8
R±G
IGNITION SW I15
OP1 FC VC
GND
TRANSPONDER KEY
COMPUTER T 4 A C
A CJUNCTION
CONNECTORJ24 A

2001 PRIUS (EWD414U)
T4 TRANSPONDER KEY COMPUTER
1±GROUND : Always approx. 12 volts
12±GROUND : Always continuity
U1 UNLOCK WARNING SW
1±2 : Closed with the ignition key in cylinder
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
C736I1537J25B37
D236J1037J27A37
D638J1137J28B37
F12C34J12A37R3B37
F13D34J13B37R4C37
F1838J2037T437
H1437J24A37U137
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2D30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
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)
IB142Floor Wire and Cowl Wire (Cowl Side Panel LH)
ID142Instrument Panel Wire and Cowl Wire (Left Kick Panel)ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LH
IF42Left Kick Panel
SERVICE HINTS

2001 PRIUS (EWD414U)
HEADLIGHT (w/ DAYTIME RUNNING LIGHT)
When the ignition SW is turned on ST position and ºREADYº signal from engine control module is sent to the daytime
running light relay via body ECU. If the parking brake pedal is depressed (Parking brake SW is on) at that time, the daytime
running light system does not operate. If the parking brake pedal is released (Parking brake SW is off), the daytime running
light system operates and the low beam headlight comes on.
HEAD RELAY
1±2 : Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
Closed with the engine running and the parking brake lever is released (Parking brake SW off)
D3 DAYTIME RUNNING LIGHT RELAY
12±GROUND : Approx. 12 volts with the ignition SW at ON position
3±GROUND : Always approx. 12 volts
11±GROUND : Continuity with the parking brake lever pulled up
2±GROUND : Always continuity
8±GROUND : Continuity with the dimmer SW at HIGH or FLASH position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B8A36H134J1737
B9B36H234J2037
C1036J137J27A37
C1336J1137J28B37
D336J12A37P237
D536J13B37
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
324Engine Room R/B No.3 (Engine Compartment Right)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1E
1F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1J
gg(g)
2A
2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2C
()
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
2I31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)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)IA242Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
ID142Instrument Panel Wire and Cowl Wire (Left Kick Panel)ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
IG42Cowl Side Panel RH
IH42Right Kick Panel
SYSTEM OUTLINE
SERVICE HINTS

2001 PRIUS (EWD414U)
HEADLIGHT (w/o DAYTIME RUNNING LIGHT)
120A MAIN
1
F18
FUSIBLE LINK
BLOCK NO. 2
1B 11 2
32 41
4 1
10A
HEAD
(
LH)10A
HEAD
(
RH)
1F 81F61F7
OFF
TAIL
HEAD
LOW
HIGH
FLASH
IG IA2 6
ID2 3
ID2 5213
213
A FAFBE
B DAEAE
IA1 7IA13
B DA F A F
2A 102I 7
16 17E E
2
A17 7 8 13 C 1
D 1R±G
R±Y
R±Y
R±G
R±L R±GR±W R±W B
R±W R±W R RB±G
W±B
R±G L
R±G R±GR±Y R±Y
R±G
ER±W SHORT
PINSHORT
PIN HEAD
RELAY
HEADLIGHT
LH H 1
JUNCTION
CONNECTOR J20
JUNCTION CONNECTORB J 4 A , J 5
BATTERY
FUSIBLE LINK
BLOCK NO. 1D F12 C , F13
JUNCTION CONNECTORB J12 A , J13
COMBINATION
SW C13
JUNCTION
CONNECTOR J1 7
BODY ECU B 9
HRLY
H
R±W
R±Y
R±G LIGHT
CONTROL SW DIMMER SW
HEADLIGHT
RH H 2
JUNCTION CONNECTORB J 4
A, J 5
L