2001 TOYOTA PRIUS relay

2001 PRIUS (EWD414U)
HEADLIGHT (w/ DAYTIME RUNNING LIGHT)
30A
HEAD FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
23 14
32 14 2 1
10A
HEAD HI (
RH) 10A
HEAD HI (
LH) 10A
HEAD LO (
RH) 10A
HEAD LO (
LH)
213
213IA19 1E 5 1E 2 1F 7 1F 6313 25
33 7. 5A
DRL
33
IE 1E 31F8
IA217 IA26
JUNCTION
CONNECTOR J 1 A
G± R R±WR±YR
R±G R±G
R±W
R
W±B W±B
R±G
LR±G
L R±W
R±B R±L
R±G HEAD
RELAY
DIM
RELAYDRL
RELAY
R±B
HEADLIGHT
LH H 1
HEADLIGHT
RH H 2
R±Y G±R
2 1
E 2
R±B

2001 PRIUS (EWD414U)
2B 62A 7 10 2A72I
ID OFF
TAIL
HEAD
LOW
HIGH
IG ID2 510A
GAUGE FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2K 10
B E
A E
1ID2 7 7. 5A
ECU±B
2C 5
ID1 8
IA2 16
DAYTIME RUNNING LIGHT RELAY D 3
JUNCTION
CONNECTOR J20JUNCTION
CONNECTOR J2 0
JUNCTION
CONNECTOR J17
JUNCTION
CONNECTOR J1 1
PARKING
BRAKE SW P 2
COMBINATION SW C13 DIODE
(
DAYTIME
RUNNING
LIGHT) D 5 1
EE46 3 12AC
87
A17 2
E17 8 11 92 5AC
14
R±W
R±G
R±L R±G R±G
R±L R±W RR±GR±G
L±O
R±Y
Y±B
W±B
R±G L Y±B R±Y
BRW±B
L
R±BL R±G R±W
R R±G R±G
R±W
W±B
EDRL HDIM H±LP +B IG
HI PKB CHG± IND
ID2 3
13 16
JUNCTION CONNECTORB J12 A , J13
B 2
B 17 A9 BODY ECUB B 8 , B 9A
Y±BA F
B HR±G
R±G
JUNCTION
CONNECTORB J27 A , J28
E
FLASH
LIGHT
CONTROL SW DIMMER SW
15A
DOME
1J 7
HIGH BEAM
HEAD
42A 22G
LL±Y
21
COMBINATION METER C10L±Y
H RDY HRLY
IH

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

2001 PRIUS (EWD414U)
HEADLIGHT (w/o DAYTIME RUNNING LIGHT)
HEAD RELAY
1±2 : Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
C13 COMBINATION SW
13±16 : Continuity with the light control SW at HEAD position
8±16 : Continuity with the dimmer SW at FLASH position
7±16 : Continuity with the dimmer SW at HIGH or FLASH position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B936F1838J12A37
C1036H134J13B37
C1336H234J1737
F12C34J4A37J2037
F13D34J5B37
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B
1F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1J
gg(g)
2A30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
2I31Cowl 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)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
IG42Cowl Side Panel RH
IH42Right Kick Panel
SERVICE HINTS

2001 PRIUS (EWD414U)
TAILLIGHT
120A MAIN
1
100A DC/DC
2H 12K62F5 2J 7 23 15
7. 5A
TAIL
ID2 2
ID2 6
IGIA1 10
A D
A DBF
BF
1 2
2 1
2 1
IE1 2
16
A 18
14 11
AAAW± B W±BG
W± B
W± B W± B W± B G
G
G
GG
G LG LG LG±R LG±R
W± B
W±BB±G W
TAIL
RELAY
BODY
ECU B 9JUNCTION CONNECTORB J 4 , J 5A
B 1
D 1
W± BFUSIBLE LINK
BLOCK NO. 1D F11 B , F13
FUSIBLE LINK
BLOCK NO. 2 F18
LIGHT CONTROL SW
[COMB. SW] C13
FRONT SIDE MARKER LIGHT LH F 5
FRONT PARKI NG L IGHT RH F 4
FRONT PARKI NG L IGHT LH F 3
FRONT SIDE MARKER LIGHT RH F 6
JUNCTION
CONNECTOR J 7
JUNCTION
CONNECTOR J 1
JUNCTION
CONNECTOR J17 BATTERYOFF
TAI L
HEAD2L 5
G
E 1 E 1 E 1 T TRLY

2001 PRIUS (EWD414U)
TAILLIGHT
TAIL RELAY
5±3 : Closed with the light control SW at TAIL or HEAD position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B936F13D34J32A38
C1336F1838J33B38
F334J137L238
F434J4A37L338
F534J5B37R639
F634J737R739
F11B34J1737
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
2F31Engine 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)
2J31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)2K31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)
2L31Floor 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)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
IE42Cowl Side Panel LH
IG42Cowl Side Panel RH
BI46Left Side of Rear Pillar
BK46Back Panel Center
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E140Engine Room Main Wire
SERVICE HINTS

2001 PRIUS (EWD414U)
ILLUMINATION
1 2
LG LG W±L
W±LASHTRAY ILLUMINATION A22
CIGARETTE LIGHTER ILLUMINATION C 9
1 2
6 8MULTI DISPLAY M 7LG
IF
BR BR
1
120A MAIN 100A DC/DC
2H 1
16 2K 6
1823 15
ID2 2
ID2 6
14
IG 11
A T
LG LG LG±R LG±R
W± BB±G W
TRLYTAI L
RELAY
1DBODY
ECU B 9
1B
FUSIBLE LINK
BLOCK NO. 1D F11 B , F13
F18
FUSIBLE LINK
BLOCK NO. 2
LIGHT CONTROL SW
[COMB. SW] C13
BATTERYOFF
TAIL
HEAD
JUNCTION
CONNECTOR J1 75A
PANEL
2D 1
LG LG LG LG
W± L
W± L