2001 TOYOTA PRIUS relay

2001 PRIUS (EWD414U)
AIR CONDITIONING
50A
HTR FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
23 415
1K 81J13 1A51F3 32 51
1F 4
A A A A
B A
2 1
3 3
25 13
33
1 2
IE4
1 1K 3
IE1 8
IE113
E 5
L
L±R
W±B W± BL±R
W±BV R B±L LG±RL±O
R
R
B±R
L±O
B±L
LG±R
R
W±B B±W
B±R
VB±R
L±Y L±YW±B
W±B
W±B W±B
12 3B
AAAA
A A 4BB
BLOWER MOTOR
LINEAR CONTROLLER B 7
JUNCTION
CONNECTOR J 7 JUNCTION
CONNECTOR J 6
BLOWER
MOTOR B 6
WAT ER PU MP
MOTOR (
A/C) W 2
JUNCTION
CONNECTOR J 1
A/C DUAL PRESSURE SW A 3JUNCTION
CONNECTORB J 2 A , J 3
2
HTR
RELAYCLR MG
RELAY
W±B
LG±R
RA/C W/P
RELAY 1
GNDSI +B VMM
M

2001 PRIUS (EWD414U)
1 2A E
B AB 2 B 3 B 11 A 3
IE1 20 IE1 15 B 10 A1A8
21 IE1 B AA CAC10A
HTR FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2D 37. 5A
ECU±B
2C 5
IK1 4IK15 IE1 4IE15 B 9B18 A7
B A
A A
2D 8
2K 8
ID B 12 1
1 2
C 2 C 1 C 3 C 4 L±O
LG±R
B±L
R
V
L±Y
L±R
W± BW WL±O
R
R
R±G R±GR LG±R
R±W
W
W
W
W V
L±Y
L±R
W±L
BR±W
V±Y
W± B W± L
BR±W W±L
BR ±WB±L
V±Y
W± B W±BL±Y
L±RVV
A
2 4 1 A
A/C MAGNETIC CLUTCH
AND LOCK SENSOR A 2 JUNCTION
CONNECTOR J 6
A/C ROOM
TEMP. SENSOR A10
A/C THERMISTOR A12 WATER TEMP. SW W 4
JUNCTION
CONNECTORB J27 A , J28
JUNCTION
CONNECTORB J24 A , J25JUNCTION CONNECTORB J22 A , J23
FROM FAN
NO. 2 RELAY
A/C AMPLIFIERB A 7 , A 8AA 9, C
BLW PSW WP LOCK SGLOCK CF GND MGC IG +B RF TR SGTR TE SGTE
IE1 11
V±Y
W± BA
JUNCTION
CONNECTOR J11
FROM CONVERTER
A 10
Y
IDH A F
A F
JUNCTION CONNECTORJ27 A

2001 PRIUS (EWD414U)
AIR CONDITIONING
30A
HTR2 FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
330A
HTR1
3
33 33
33 33
B 6B 1315 23
25 13 3 1
5 2
3 33 3 2G 810A
GAU GE
3
IE118
IA1 1IA15
ID C , A 9 AA 8, A 7 B
A/C AMPLIFIERP
P±BPR±L R±L
P±B
R±L
G
G±W
B±R W±B
W±B W±B
W±B
JUNCTION
CONNECTOR J11 AA
L±R
HTR1
RELAY HTR2
RELAY HTR3
RELAY11
22
P±B
IE116
IE
W±B
JUNCTION
CONNECTOR J 1 A 1
50A
HTR3
2
HTROHTR2B 1 B 3
B 2 B 4PTC HEATERB P 3 , P 4A A 1
A 2
W±B
G±R
L±Y

2001 PRIUS (EWD414U)
A3 A/C DUAL PRESSURE SW
1±4 : Open with the refrigerant pressure at less than approx. 196 kpa (2.0 kgf/cm2, 28.4 psi),
or more than approx. 3140 kpa (32 kgf/cm2, 455 psi),
A7 (A), A8 (B), A9 (C) A/C AMPLIFIER
(A) 8±GROUND : Always approx. 12 volts
(A) 1±GROUND : Approx. 12 volts with the ignition SW at ON position
(A)24±GROUND : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A234B636J737
A334B736J1137
A634B8A36J22A37
A7A36C1136J23B37
A8B36E8B36J24A37
A9C36E9C36J25B37
A1036E10D36J27A37
A1136G137J28B37
A1236J137P3A37
A1436J2A37P4B37
A1536J3B37W235
A1636J637W435
: 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)
1A27Engine Wire and Engine Room J/B (Engine Compartment Left)
1F
1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1K
gg(g)
2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2D30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2F31Engine Room Main 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)
IA142Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)IA242Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
IE142Instrument Panel Wire and Engine Room Main Wire (Left Kick Panel)
II144Instrument Panel Wire and A/C Sub Wire (Instrument Panel Brace LH)
IK144Engine Wire and Engine Room Main Wire (Right Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
SERVICE HINTS

2001 PRIUS (EWD414U)
I GROUND POINT
IGCT RELAY
A/C TRIPLE
PRESSURE SW
HYDRAULIC BOOSTER
WATER PUMP MOTOR
(
A/C)
FRONT PARKING
LIGHT LH
FRONT PARKING
LIGHT RHIG2 RELAY
ENGINE HOOD
COURTESY SW
FRONT WI PER MOTOR
FRONT TURN
SIGNAL LIGHT LH
RADIATOR FAN MOTOR
ABS SOL
RELAY
INVERTER
(
GND1)
(
GND2)
PTC HEATER
BLOWER MOTOR
LINEAR CONTROLLER
(
E1)
(
SG)
(
E01)
(
E02) FRONT SIDE MARKER
LIGHT LH
FRONT SIDE MARKER
LIGHT RH
FRONT TURN
SIGNAL LIGHT RH
BRAKE FLUID LEVEL
WARNING SW
WATER TEMP. SW
DRL RELAY
IGNITION COIL AND
IGNITER NO. 1
IGNITION COIL AND
IGNITER NO. 2
IGNITION COIL AND
IGNITER NO. 3
IGNITION COIL AND
IGNITER NO. 4
ENGINE CONTROL
MODULE1K3
E 5
E 5
E 5
E 5 E 5
E 5
E 5
E 5 (
±S)
E 5
E 5
3HYDRAULIC BOOSTER E 5 E 5 (
CUT±)
E 1
E 1
E 1
E 1
E 1
E 1
3W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W± BW±B
W±B W±B W±B
W±B
W±B
W±B
W±B
W±B
W±B W±B W±B W± B W±B W± B W±B W±B W±B W±B
W±B W±B W±B W±B W±B
A
AA
(
*1)IE ECW± B
W± B
W± B
W± B
W± B
W± B W±BA
AA
A
AJUNCTION
CONNECTOR J 7
J 1
JUNCTION
CONNECTOR
W±B
A
BRAKE ECU
EAE 3 E 3 E 3
EBID214
IO114 A A
B A JUNCTION
CONNECTORB J 8 , J 9A W±B
W±B
W±B
W±B
W±B
W±BBR
BR
W±B
W±BBR BR
W±B W±B W±B
BR
ENGINE CONTROL
MODULE
ENGINE CONTROL
MODULE
(
ME01)
(
E03)DATA LINK
CONNECTOR 3 HTR RELAY
NAVIGATION ECU
RADIO AND PLAYER
IFIJ121
BR
BR
BR BR
MULTI DISPLAY (
*2)(
*2)
AIRBAG SENSOR
ASSEMBLY
COMBINATION
METER(
E1)
(
ES)
IH W±B
2B6 7
LBR
2A WATER PUMP
MOTOR (
INVERTER)
2W±B
FAN NO. 2
RELAY
AEFI RELAY

2001 PRIUS (EWD414U)
HYBRID VEHICLE
CONTROL ECU
KEY INTERLOCK
SOLENOID
HAZARD WARNING
SW
BUCKLE SW AND
TENSION REDUCER LHPARK/NEUTRAL
POSITION SW
WIRELESS DOOR
CONTROL RECEIVER
(
GND)
(
CG)
CIGARETTE LIGHTER
DOOR LOCK MOTOR,
DOOR KEY LOCK AND
UNLOCK SW AND DOOR
UNLOCK DETECTION
SW FRONT LH
(
E)
IG1 RELAY
FUEL PUMP AND
FUEL SENDER
EMPS ECU
POWER WINDOW
CONTROL SW REAR RH
DOOR LOCK MOTOR AND
DOOR UNLOCK
DETECTION SW
REAR RH
POWER WINDOW
CONTROL SW FRONT RH
(
EL) A/C AMPLIFIER
UNLOCK
WARNING SW
REMOTE CONTROL SW
SHIFT LOCK ECU
BUCKLE SW RH AND
SEAT BELT WARNING
OCCUPANT DETECTION
SENSOR
AIRBAG SENSOR
ASSEMBLY
TRANSPONDER
KEY COMPUTER
POWER WINDOW
MASTER SW
PTC HEATER
DAYTIME RUNNING
LIGHT RELAY
BRAKE ECU* 1 : W/ DAYTIME RUNNING LIGHT
* 2 : W/ NAVIGATION SYSTEM
BB11
IQ11
IG ID B D
A E
E
A D
BE
A D
B
IJ111
B A
A A
B A
A A A
A A
B B A
A A
A
A A
B
A AIG12
IJ110
IC11
IA15
IA11 AA
A
A
A
AA
A AAA A A E
EW±B
W±B W± B
W± B
W± B
W±B W±B
W± B
W± B
W± B
W± BW± B
W±B W±BW±B
W±B
W±B
W±B
W±B
W±B W±B
W±B W± B
JUNCTION CONNECTORB J22 , J23A
JUNCTION
CONNECTORB J24 , J25A
2D8
2E3
2K8
A JUNCTION CONNECTOR J10
(
E)
(
E)W±B W±B
W±B
W±B
W±B W±B
W±B
W± B
W± B
W± B W± BW± B
W± B
W± B W±B
W±B J11
JUNCTION
CONNECTOR
J17
JUNCTION
CONNECTOR W±B
(
*1)
(
GND4) (
GND3)W± B
W± B
W± B
COMBINATION SW B 3W± B
W± B W±B
W±B
W±B
(
E)
(
CG) (
EOM)
(
KLS±)
GATEWAY ECU
DATA LINK
CONNECTOR 3
W±B
BODY ECU
(
E2) (
UN±) (
TL)LIGHT CONTROL
RHEOSTAT
GATEWAY ECU E
E
W± B E
JUNCTION
CONNECTOR J21
W±B

2001 PRIUS (EWD414U)
I GROUND POINT
REAR COMBINATION
LIGHT LH
LICENSE PLATE
LIGHT LH
HIGH MOUNTED
STOP LIGHT
REAR COMBINATION
LIGHT RH
LICENSE PLATE
LIGHT RH
SYSTEM MAIN RELAY
LUGGAGE COMPARTMENT
DOOR UNLOCK SWBATTERY MOTOR
BLOWER CONTROLLER
PERSONAL LIGHT
POWER WINDOW
CONTROL SW REAR LH
DOOR LOCK MOTOR
AND DOOR UNLOCK
DETECTION SW
REAR LH
BATTERY FAN RELAY
BATTERY ECUB C
B C
B CA B
A B
A B
BA11
B B
B BA C
B B
BJBK BI W± B
W± B
W± B
W± B
W± B
W± B
W± B
W± B W± BW±BW± B W±B W±B
W±B
W±B
W±B
W±B
JUNCTION
CONNECTORB J32 , J33A
JUNCTION
CONNECTORB J32 , J33
AB 1 W±B
W± B
HYBRID VEHICLE
CONTROL ECUCOMBINATION
SW COMBINATION SW
COMBINATION SW
TURN SIGNAL
FLASHER RELAYDOOR LOCK CONTROL
SW FRONT RH DOOR LOCK MOTOR,
DOOR KEY LOCK AND
UNLOCK SW AND DOOR
UNLOCK DETECTION
SW FRONT RH
B(
ECC)
(
GND1)
(
GND2)
A A
W± B A
W± B
B A B W±B W±B W±B W±B
W± BW± B
W± B 7
IQ1
2
IQ1
A AA
W± B A
B
A
B A
A A
A (
E)
(
E)
BLW±B
W±B
BC1 8A A
W±B
JUNCTION
CONNECTORB J18 , J19A W±B

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