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2020 Toyota Yaris
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Wiring
Wiring diagram
2020 Toyota Yaris — power distribution
Sheets
3
Labels
866
Power distribution
Sheet 1
of 3
Sheet 2
of 3
Sheet 3
of 3
1
2
1
2
7.5A
B
20A
A
40A
15A
7.5A
25A
40A
AUTO
RETURN
AUTO
RETURN
STATUS
(GREEN)
STATUS
(AMBER)
START/
STOP
15A
40A
30A
15A
25A
20A
20A
20A
15A
30A
30A
20A
50A
30A
7.5A
15A
200A
15A
10A
200A
60
RELAY & FUSE BLOCK
COOLING
FAN
RELAY 2
BRAKE
LIGHT
RELAY
FUEL
PUMP
RELAY
A/C
RELAY
HORN
RELAY
HORN
RELAY
GENERATOR W/
REGULATOR
ASSEMBLY
POWER
STEERING
ECU
STARTER
ASSEMBLY
STOP
LIGHT
SWITCH
ASSEMBLY
BODY
ECU
BRAKE ACTUATOR
ASSEMBLY
FRONT
FOG
LIGHT
RELAY
REAR
WINDOW
DEFOGGER
RELAY
COOLING
FAN
RELAY 1
WIPER
INT
RELAY
HEATED
STEERING
WHEEL
RELAY
SUB RELAY
BLOWER
RELAY
FUEL INJECTOR
RELAY
BODY ECU
MAIN RELAY
MAIN
BODY
ECU
BODY ECU
MAIN BODY
ECU 2
DATA LINK
CONNECTOR 3
MAIN
BODY
ECU
GROUND
J/C 2
(D69)
MAIN
BODY
ECU 2
TRANSMISSION
CONTROL
MODULE
(AUTOMATIC
TRANSAXLE
ASSEMBLY)
ECM
DA1
4
D6
A42
4
3
2
3
A43
1
A1
19
1
5
D4
17
20
6
7
5
16
15
8
7
3
9
8
5
2
4
10
1
6
7
CA2
11
5
DA1
4
D4
12
2
3
3
DA1
3
8
2
5
A21
4
5
A21
2
A27
2
AE1
3
A1
1
5
5
AE2
2
E3
7
1
15
5
3
5
2
5
1
AE1
15
DA2
1
D11
1
A40
1
A39
B3
BLK
RED
RED
GRN
GRN
GRN
GRN
WHT
GRN
BRN
BRN
BRN
WHT
WHT
GRN
GRN
GRN
GRN
RED
BLU
ORG
LT BLU
WHT
GRN
GRY
RED
GRN
BLK
BLK
ORG
LT BLU
RED
BLU
BLK
PNK
GRY
GRN
WHT
PNK
PNK
PNK
PNK
PNK
BRN
BRN
BLU
BLU
RED
RED
RED
RED
LT BLU
GRY
GRY
BRN
BRN
BLU
BLU
PNK
PNK
PNK
PNK
BLU
BLU
WHT
WHT
BLK
BLU
BLU
GRN
GRN
LT GRN
LT GRN
YEL
YEL
GRN
GRY
GRY
GRY
GRY
GRY
GRY
BLK
BLK
NCA
GRN
GRY
BLK
BLK
BLK
MAIN FUSE
EPAS
FUSE
MAIN
FUSE
STR
FUSE
HORN
FUSE
TAIL
FUSE
STOP
FUSE
FAN1
FUSE
ABS/DSC S
FUSE
FUEL
PUMP
FUSE
A/C MAG
FUSE
ABS/DSC M
FUSE
BATTERY
ENG SUB
ST
HEATER
FUSE
HEATER
FUSE
H/L RH
FUSE
WIPER
FUSE
DEFOG
FUSE
FAN2
FUSE
H/L LH
FUSE
HAZARD
FUSE
FOG
FUSE
D LOCK
FUSE
INJECTOR
FUSE
ROOM
FUSE
ENG+B
FUSE
ENG+B2
FUSE
AT
FUSE
ENG
MAIN
FUSE
INTERIOR
FUSE
ENGINE SWITCH (PUSH START SWITCH)
(LEFT SIDE OF ENGINE COMPT)
(LEFT SIDE
OF ENGINE
COMPT)
(LEFT SIDE
OF DASH)
(W/ PRE-
COLLISION
SYSTEM)
(ECM CONNECTOR
186 PIN)
(ECM
CONNECTOR
186 PIN)
(ECM
CONNECTOR
200 PIN)
(ECM
CONNECTOR
200 PIN)
(A/T)
ECM CONNECTOR 200 PIN
ECM CONNECTOR 186 PIN
DB
TO
IG2
FUSE
(DIAGRAM
2 OF 3)
COMPUTER DATA
LINES SYSTEM
TO
RELAY &
FUSE
BLOCK
(DIAGRAM
3 OF 3)
1
2
3
4
3
4
5
5
2
1
2
E
15A
7.5A
D
C
30A
30A
7.5A
10A
15A
7.5A
A
25A
50A
RELAY & FUSE BLOCK
HEATED
STEERING
WHEEL
RELAY
FUEL
PUMP
RELAY
A/C
RELAY
STARTER
RELAY
GROUND
J/C 1
(A41)
REMOTE
OPERATION
CONTROLLER
ASSEMBLY
MAIN BODY
ECU 2
RADIO
RECEIVER
ASSEMBLY
BLUETOOTH
UNIT
ECM
RIGHT
FRONT
SEAT
MAIN
BODY
ECU 2
A/C
AMPLIFIER
LASER
RADAR
SENSOR
ASSEMBLY
TRANSMISSION
CONTROL
MODULE
(AUTOMATIC
TRANSAXLE
ASSEMBLY)
SHIFT LOCK
CONTROL UNIT
ASSEMBLY
RAIN
SENSOR
RIGHT DOOR
CONTROL SWITCH
ASSEMBLY
STEREO
COMPONENT
AMPLIFIER ASSEMBLY
WIPER
INT
RELAY
WIPER
HI
RELAY
RIGHT
FRONT
POWER
WINDOW
REGULATOR
SWITCH
ASSEMBLY
RIGHT
REAR
POWER
WINDOW
REGULATOR
SWITCH
ASSEMBLY
MULTIPLEX
NETWORK
MASTER
SWITCH
ASSEMBLY
LEFT
REAR
POWER
WINDOW
REGULATOR
SWITCH
ASSEMBLY
MAIN BODY
ECU
RADIO
RECEIVER
ASSEMBLY
BLUETOOTH
UNIT
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
RIGHT
FRONT
SEAT
BRAKE
ACTUATOR
ASSEMBLY
AIR BAG
SENSOR
ASSEMBLY
BODY
ECU
POWER
STEERING
ECU
HEADLIGHT
LEVELING
ECU
J/C 3 (D63)
TELLTALE
LIGHT
ASSEMBLY
COMBINATION
SWITCH
COMBINATION
METER
ASSEMBLY
AE2
2
AE1
1
14
D38
28
24
DE4
3
E51
24
E72
12
DA1
5
1
2
DA1
21
2
D4
10
DA1
19
5
2
3
1
FE2
1
3
FE1
1
3
EF2
2
3
EF1
31
AE1
12
6
DE4
1
E13
23
DE4
5
6
D9
DA1
8
5
32
1
1
1
6
1
DE1
18
E26
8
A1
8
D55
DA1
7
10
DE4
6
EF2
22
DE3
12
1
2
CA2
5
1
GH1
5
GD1
2
DA1
17
4
D6
17
8
17
2
19
24
GD1
9
DA1
18
5
DA1
6
1
2
A42
15
A43
62
5
1
3
2
DA1
1
D38
9
E51
9
AE1
13
E72
20
14
VIO
LT GRN
LT GRN
LT GRN
LT GRN
BLU
BLU
BLU
VIO
VIO
BRN
BRN
RED
RED
WHT
BLU
BLU
RED
RED
WHT
WHT
WHT
VIO
WHT
GRY
GRY
GRY
GRY
GRY
GRY
GRY
PNK
PNK
PNK
YEL
YEL
YEL
BLK
BLK
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
VIO
VIO
VIO
VIO
VIO
VIO
VIO
VIO
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
BRN
BRN
BRN
BRN
BRN
BRN
(OR VIO)
PNK
(OR VIO)
PNK
PNK
BRN
BRN
BRN
BRN
BRN
BRN
BRN
BRN
BRN
BRN
BRN
VIO
VIO
VIO
VIO
BLU
BLU
BLK
BLU
BLU
BLU
BLU
WHT
WHT
BRN
IG2
FUSE
IG1
RELAY
ACC
RELAY
C/U IG1
FUSE
RADIO
FUSE
ENGINE
IG1
FUSE
SRS1
FUSE
P WINDOW1
FUSE
CABIN+B
FUSE
METER1
FUSE
AUDIO1
FUSE
AUDIO2
FUSE
(LEFT SIDE OF ENGINE COMPT)
(LEFT
FRONT
OF
ENGINE
COMPT)
6
7
(IF
EQUIPPED)
(W/ MULTI-
DISPLAY)
(W/O MULTI-
DISPLAY)
(W/ PRE-
COLLISION
SYSTEM)
(A/T)
(W/ MULTI-
DISPLAY)
6
7
(IF
EQUIPPED)
(ECM
CONNECTOR
200 PIN)
(W/ DOOR
LOCK
CONTROL)
(W/
OCCUPANT
DETECTION
ECU)
ECM CONNECTOR 186 PIN
ECM CONNECTOR 200 PIN
W/ SOLAR RADIATION SENSOR
W/O SOLAR RADIATION SENSOR
W/ PRE-COLLISION SYSTEM &
ECM CONNECTOR 186 PIN
24 PIN
6
7
20 PIN
AA
FROM ENG
MAIN FUSE
(DIAGRAM
1 OF 3)
TO
FUSE
BLOCK
(DIAGRAM
3 OF 3)
TO
FUSE
BLOCK
(DIAGRAM
3 OF 3)
TO
FUSE
BLOCK
(DIAGRAM
3 OF 3)
1
2
1
2
1
2
3
4
3
4
5
5
E
15A
15A
25A
15A
20A
D
7.5A
C
7.5A
B
15A
RELAY & FUSE BLOCK
J/C 11 (E57)
OPTION
CONNECTOR
(REMOTE
ENGINE
STARTER)
NAVIGATION
RECEIVER
CERTIFICATION
ECU
BODY ECU
MAIN BODY
ECU
COMBINATION
METER
ASSEMBLY
TELLTALE
LIGHT
ASSEMBLY
MAIN
BODY
ECU 2
LUGGAGE
COMPARTMENT
LIGHT
CONDENSER
MULTI-
DISPLAY
DISC
PLAYER
STEREO
JACK
ADAPTER
ASSEMBLY
1
A/C AMPLIFIER
(W/ RECIRCULATION
DAMPER SERVO MOTOR)
(BLOWER DAMPER SERVO
SUB-ASSEMBLY 1)
FUSE BLOCK
THEFT-
DETERRENT
RELAY
J/C 11 (E57)
COMBINATION
SWITCH
MAIN
BODY
ECU 2
RIGHT
FRONT
SEAT
BODY
ECU
MULTIPLEX
NETWORK
MASTER
SWITCH
ASSEMBLY
MAIN
BODY
ECU 2
STEREO
JACK
ADAPTER
ASSEMBLY 1
BLUETOOTH
UNIT
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
RADIO
RECEIVER
ASSEMBLY
DISC
PLAYER
MULTI-
DISPLAY
MULTIPLEX
NETWORK
MASTER
SWITCH
ASSEMBLY
NAVIGATION
RECEIVER
2
3
AE1
11
E3
18
EF1
21
F3
12
D4
DE1
17
24
10
DA1
1
14
AE1
13
D38
9
E51
9
E72
20
EF1
30
F4
7
D6
3
7
D47
6
D44
H14
DH2
3
9
DE2
2
4
3
DE1
19
1
AE1
22
1
13
E3
6
1
1
E41
7
D55
11
6
E3
6
D6
1
D47
12
20
DH2
4
D44
8
D44
17
9
16
23
DA1
16
AE1
16
DE2
11
18
DE2
1
2
VIO
VIO
GRN
GRN
GRN
GRN
BLU
WHT
VIO
VIO
VIO
VIO
VIO
LT GRN
LT GRN
WHT
WHT
WHT
BLU
BLU
BLU
BLU
BLU
BLU
RED
RED
WHT
WHT
WHT
WHT
WHT
WHT
PNK
PNK
PNK
PNK
PNK
PNK
PNK
YEL
PNK
PNK
PNK
PNK
VIO
VIO
WHT
WHT
WHT
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
BLU
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
BLK
BLU
BLU
F OUTLET
FUSE
P
WINDOW2
FUSE
SRS2/
ESCL
FUSE
SEAT
WARM
FUSE
AT IND
FUSE
MIRROR
FUSE
R
WIPER
FUSE
AUDIO2
FUSE
POWER
OUTLET
SOCKET
ASSEMBLY
1
(LEFT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF DASH)
(RIGHT SIDE
OF DASH)
W/ SOLAR RADIATION SENSOR
W/O SOLAR RADIATION SENSOR
24 PIN
20 PIN
ECM CONNECTOR 186 PIN
(IF
EQUIPPED)
(IF
EQUIPPED)
(IF
EQUIPPED)
DA
FROM
RELAY &
FUSE BLOCK
(DIAGRAM
1 OF 3)
FROM
RELAY &
FUSE
BLOCK
(DIAGRAM
2 OF 3)
FROM RELAY &
FUSE BLOCK
(DIAGRAM
2 OF 3)
FROM RELAY &
FUSE BLOCK
(DIAGRAM
2 OF 3)