MotoSpec
Source
Specs & Capacities
Torque Specs
DTC / Trouble Codes
Recalls & TSBs
Browse
Toyota
·
Prius C
·
2019 Toyota Prius C
·
Wiring
Wiring diagram
2019 Toyota Prius C — power distribution
Sheets
4
Labels
1001
Power distribution
Sheet 1
of 4
Sheet 2
of 4
Sheet 3
of 4
Sheet 4
of 4
2
1
1
2
3
4
3
4
CUTB
Q
IG
H
L
P
M
D
C
10A
B
IG2D
30A
20A
+B
A
50A
7.5A
15A
30A
7.5A
40A
30A
10A
20A
30A
10A
20A
10A
30A
7.5A
30A
30A
30A
30A
30A
40A
30A
100A
50A
140A
ENGINE ROOM J/B
ENGINE ROOM J/B 2
BATTERY
ENGINE
ROOM
R/B 2
ENGINE
ROOM
R/B
SKID CONTROL
ECU W/
ACTUATOR
(BRAKE BOOSTER
W/ MASTER
CYLINDER
ASSEMBLY)
POWER
STEERING
ECU
ASSEMBLY
BLOWER
MOTOR
SUB-ASSEMBLY
W/ FAN
INVERTER
W/
CONVERTER
ASSEMBLY
PTC HTR
3 RELAY
ENGINE ROOM R/B 2
FAN
RELAY
PTC HTR
2 RELAY
PTC HTR
1 RELAY
DEF
RELAY
CONDENSER
ENGINE ROOM
R/B 2
ENGINE
ROOM
R/B 2
DOME CUT
RELAY
ENGINE ROOM
R/B 2
ECM
STEERING
LOCK
ACTUATOR
ASSEMBLY
SKID CONTROL
ECU W/ ACTUATOR
(BRAKE BOOSTER
W/ MASTER
CYLINDER ASSEMBLY)
COMBINATION
METER
ASSEMBLY
IGCT
RELAY
ENG W/
PMP
RELAY
H-LP
RELAY
DIM
RELAY
ENGINE ROOM R/B 2
CERTIFICATION
ECU
ENGINE
ROOM J/B 2
EFI MAIN
RELAY
HORN
RELAY
J/C A48
RADIO &
DISPLAY
RECEIVER
ASSEMBLY
NETWORK
GATEWAY
ECU
OUTER
MIRROR
SWITCH
ASSEMBLY
SHIFT LOCK
CONTROL ECU
(LOWER SHIFT
LEVER ASSEMBLY)
NAVIGATION
RECEIVER
ASSEMBLY
ECM
3
2
10
AG2
10
D3
E1
AG2
15
G87
5
1
G37
3
G76
3
2
8
2
5
3
AG1
7
AG2
7
AG2
6
A40
1
B1
1
1
5
3
3
5
5
1
14
1
15
C10
CA2
4
29
AG2
11
G3
AG3
1
12
7
5
5
5
2
A33
1
1A
1B
1C
1D
B1
5
6
4
9
C1
D4
D2
2
G85
A1
E1
BLK
BLK
RED
BLU
BLU
BLU
VIO
RED
RED
RED
RED
RED
YEL
BLK
BLK
BLK
RED
BLK
BLK
BRN
GRY
RED
BLK
RED
WHT
BLK
BLK
BLK
BLK
BLK
WHT/BLK
WHT/BLK
PNK
PNK
PNK
PNK
PNK
PNK
YEL
WHT
WHT
BLK
BLK
BLK
BLK
BLK
BLU
BRN
BLK
BLK
BLK
BLK
GRY
BLK
RED
RED
BLU
GRN
WHT
BLK
BLU
BLK
BLU
RED
BLK
BLK
BLK
WHT
A3
FUSIBLE
LINK BLOCK
ASSEMBLY
MAIN
FUSE
DC/DC
FUSE
ABS
MTR 2
FUSE
PTC
HTR 3
FUSE
PTC
HTR 1
FUSE
PTC
HTR 2
FUSE
ECU-B 2
FUSE
HTR
FUSE
EPS
FUSE
FAN
FUSE
DEF
FUSE
ABS
MTR 1
FUSE
H-LP-
MAIN
FUSE
ENG
W/PMP
FUSE
IGCT
MAIN
FUSE
STRG
LOCK
FUSE
P/I
FUSE
AM2
FUSE
D/C
CUT
FUSE
DOME
FUSE
HAZ
FUSE
ETCS
FUSE
ABS 1
FUSE
ABS 2
FUSE
ECU-B 1
FUSE
EFI
MAIN
FUSE
HORN
FUSE
IG2
FUSE
IG2
RELAY
(LEFT SIDE OF
ENGINE COMPT)
(ON BATTERY
POSITIVE (+)
TERMINAL)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT
SIDE OF
ENGINE
COMPT)
(LEFT
SIDE OF
ENGINE
COMPT)
(RIGHT SIDE OF ENGINE COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT
SIDE OF
ENGINE
COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF ENGINE COMPT)
(RIGHT
SIDE OF
ENGINE
COMPT)
(LOWER RIGHT
SIDE OF DASH)
(LEFT END OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
W/ SMART KEY SYSTEM
W/O SMART KEY SYSTEM
W/ NAVIGATION
W/O NAVIGATION
(W/ SMART
KEY SYSTEM)
(W/O NAVIGATION)
(IF EQUIPPED)
(W/O SMART
KEY SYSTEM)
(W/ NAVIGATION)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
2 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 4)
TO STEERING
SENSOR
(DIAGRAM
3 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 4)
TO IGNITION/
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
2 OF 4)
TO J/C
G73 & G74
(DIAGRAM
3 OF 4)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 2 OF 4)
TO ENGINE
ROOM R/B 2
(DIAGRAM
3 OF 4)
FROM IGNITION/
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
2 OF 4)
1
2
2
1
1
2
2
1
3
4
3
4
V
U
IG1D
ACCD
V
U
N
L
K
J
H
ST2
G
F
G
F
AGND
E
SSW1
SSW2
AGND
SS2
SS1
ST2
ACC
E
ACC
15A
25A
15A
25A
7.5A
15A
5A
15A
25A
20A
E
E
7.5A
15A
10A
5A
TRLY
D
B
7.5A
AM1
START
ACC
START
ON
ACC
LOCK
OFF
IG1
OFF
LOCK
ON
ACC
ACC
A
AM2
START
ACC
ST2
ON
LOCK
OFF
ON
IG2
LOCK
OFF
START
POWER
SWITCH
CERTIFICATION
ECU
HYBRID VEHICLE
CONTROL ECU
COWL SIDE
J/B 1
INSTRUMENT PANEL J/B ASSEMBLY
DR
UNLOCK
RELAY
BK/DR
RELAY
D/L
RELAY
FOG FR
RELAY
MAIN
BODY
ECU
DR
UNLOCK
D RELAY
SLIDING ROOF
CONTROL ECU
(SLIDING ROOF
REGULATOR
HANDLE
ASSEMBLY)
DIODE
(PARKING
LIGHT &
SIDE MARKER
LIGHT)
LEFT POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
COMBINATION
METER
ASSEMBLY
DATA LINK
CONNECTOR 3
STOP LIGHT
SWITCH ASSEMBLY
MAIN
BODY
ECU
P/W
RELAY
COWL
SIDE
J/B 2
SEAT HEATER
SWITCH
FRONT
WINDSHIELD
WIPER
MOTOR
ASSEMBLY
REAR
WASHER
MOTOR &
PUMP
ASSEMBLY
FRONT
WINDSHIELD
WASHER
MOTOR &
PUMP
ASSEMBLY
WINDSHIELD
WIPER
SWITCH
ASSEMBLY
REAR WIPER
MOTOR ASSEMBLY
6
4
6
7
1
2
4
5
E1
ST1
3
SM1
3
G14
2
2
4
G3
6
1
1
8
1
5
4
QG2
11
7
1
2
JG1
6
16
7
A1
G85
A56
A1
11
24
G87
28
30
5
1
6
G57
9
B8
A11
1
2
B13
29
C6
C5
C3
A9
D16
A3
A2
B9
A50
A29
B37
A12
A35
C12
B40
A44
D10
C2
14
LT BLU
BLU
PPL/VIO
BLK
BLK
PPL/GRN
GRN
GRN
GRN
GRN
RED
WHT/BLK
WHT/BLK
BLK
WHT/BLK
BLK
VIO
LT BLU
GRN
WHT/BLK
GRY
RED
BLU
YEL
BLK
BLK
VIO
VIO
PNK
LT BLU
VIO
LT BLU
LT BLU
LT BLU
LT BLU
BLU
BLU
BLU
BLU
GRN
RED
BLK
BLK
BLK
RED
GRN
GRN
BLK
PNK
BLK
G5
G6
G2
IGNITION/
STARTER SWITCH
ASSEMBLY
STOP
FUSE
AM1
FUSE
TAIL
RELAY
DOOR D
FUSE
D/L
FUSE
PANEL
FUSE
TAIL
FUSE
FOG
FR
FUSE
S/ROOF
FUSE
OBD
FUSE
IG1 2
RELAY
ACC
RELAY
IG1 1
RELAY
IG1 3
RELAY
WIPER
RR
FUSE
CIG
FUSE
S/HTR
FUSE
ACC
FUSE
WIPER
FUSE
WASHER
FUSE
POWER
OUTLET
SOCKET
ASSEMBLY 1
(LOWER RIGHT
SIDE OF DASH)
(RIGHT KICK
PANEL)
(LEFT END OF DASH)
(LEFT
KICK
PANEL)
(LEFT KICK PANEL)
W/ SMART KEY SYSTEM
W/O SMART KEY SYSTEM
W/ PRE-COLLISION SYSTEM
W/O PRE-COLLISION SYSTEM
(W/O SMART
KEY SYSTEM)
(W/ SMART
KEY SYSTEM)
(IF EQUIPPED)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 2 OF 4)
FROM ENGINE ROOM R/B 2
(DIAGRAM 1 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
2 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
2 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
2 OF 4)
TO J/C A48
(DIAGRAM
1 OF 4)
FROM ENGINE
ROOM J/B
(DIAGRAM
1 OF 4)
TO LEFT REAR
COMBINATION
LIGHT
ASSEMBLY
(DIAGRAM
3 OF 4)
TO IGNITION/
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
2 OF 4)
TO A/C
CONTROL
ASSEMBLY
(DIAGRAM
3 OF 4)
TO J/C
G73 & G74
(DIAGRAM
3 OF 4)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 4)
TO NETWORK
GATEWAY ECU
(DIAGRAM
1 OF 4)
FROM
CERTIFICATION
ECU
(DIAGRAM
2 OF 4)
FROM
IGNITION/
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
2 OF 4)
FROM
IGNITION/
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
2 OF 4)
FROM
CERTIFICATION
ECU
(DIAGRAM
2 OF 4)
1
2
2
1
1
2
7.5A
Q
15A
M
K
L
J
C
10A
INSTRUMENT PANEL J/B ASSEMBLY
ENGINE ROOM R/B 2
J/C G73 & G74
J/C A49
SPIRAL
CABLE
SUB-ASSEMBLY
W/ SENSOR
C/OPN
RELAY
ENGINE ROOM
J/B 2
SKID CONTROL
ECU W/
ACTUATOR
(BRAKE BOOSTER
W/ MASTER
CYLINDER
ASSEMBLY)
HYBRID
VEHICLE
CONTROL
ECU
COMBINATION
METER
ASSEMBLY
AIR
BAG
SENSOR
ASSEMBLY
STOP
LIGHT
SWITCH
ASSEMBLY
ECM
NETWORK
GATEWAY
ECU
STEERING
LOCK
ACTUATOR
ASSEMBLY
OCCUPANT
DETECTION
ECU
TRANSPONDER
KEY ECU
ASSEMBLY
RIGHT
STEERING
PAD
SWITCH
STEERING
PAD
SWITCH
ASSEMBLY
IGNITION
COIL 1
LEFT REAR
COMBINATION
LIGHT
ASSEMBLY
IGNITION
COIL 2
IGNITION
COIL 3
FUEL
INJECTOR
ASSEMBLY 2
RIGHT
LICENSE
PLATE
LIGHT
ASSEMBLY
LEFT
LICENSE
PLATE
LIGHT
ASSEMBLY
FUEL
INJECTOR
ASSEMBLY 3
FUEL
INJECTOR
ASSEMBLY 1
RIGHT REAR
COMBINATION
LIGHT
ASSEMBLY
FUEL
INJECTOR
ASSEMBLY 4
IGNITION
COIL 4
J/C G73 & G74
SPIRAL
CABLE
SUB-ASSEMBLY
W/ SENSOR
RADIO &
DISPLAY
RECEIVER
ASSEMBLY
STEERING
SENSOR
RIGHT
STEERING
PAD
SWITCH
STEERING
PAD
SWITCH
ASSEMBLY
COMBINATION
METER
ASSEMBLY
SEAT
HEATER
SWITCH
HAZARD
WARNING
SIGNAL
SWITCH
ASSEMBLY
RADIO &
DISPLAY
RECEIVER
ASSEMBLY
AUTO
HIGH BEAM
SWITCH
SHIFT
POSITION
INDICATOR
(INDICATOR
LIGHT WIRE
SUB-ASSEMBLY)
ECO
SWITCH
ASSEMBLY
COMBINATION
SWITCH
ASSEMBLY
PATTERN
SELECT
SWITCH
ASSEMBLY
VSC
OFF
SWITCH
A/C
CONTROL
ASSEMBLY
NAVIGATION
RECEIVER
ASSEMBLY
NAVIGATION
RECEIVER ASSEMBLY
A38
3
11
G1
1
21
AG2
6
16
7
12
MY1
7
6
Y3
D31
12
G74
18
2
17
G73
G73
7
2
2
2
2
1
1
1
1
CA2
5
D6
G18
21
A45
18
16
A48
C31
8
9
G5
Z2
2
6
9
6
4
G76
AG4
12
4
8
G5
12
5
Z2
5
8
3
6
G73
G1
29
13
G37
10
10
G76
15
12
3
3
G74
19
4
21
22
7
G73
14
1
1
ST1
8
SM1
7
4
4
G37
A40
37
12
10
PNK
BLK
BLK
VIO
LT BLU
TAN
BLK
BLU
GRY
VIO
RED
GRY
PNK
BRN
LT GRN
RED
PNK
GRY
BRN
LT GRN
BLK
TAN
GRY
BLK
PNK
BLK
BLK
BLK
BRN
RED
RED
RED
RED
RED
RED
RED
TAN
GRN
TAN
LT BLU
RED
RED
RED
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
PNK
BLK
BLK
BLK
VIO
BLK
IG2 2
FUSE
METER
FUSE
IGN
FUSE
(LEFT END OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(LEFT SIDE
OF DASH)
(UPPER LEFT
END OF DASH)
(ON STEERING
COLUMN)
(RIGHT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF DASH)
(ON STEERING
COLUMN)
3
4
(W/ TOUCH
SENSOR)
W/O NAVIGATION SYSTEM
W/ NAVIGATION SYSTEM
3
W/O PRE-COLLISION SYSTEM
4
W/ PRE-COLLISION SYSTEM
(W/O NAVIGATION)
(IF
EQUIPPED)
(W/
AUTOMATIC
HIGH BEAM)
(W/O NAVIGATION)
(W/ NAVIGATION)
(W/ NAVIGATION)
FROM ENGINE
ROOM J/B 2
(DIAGRAM
1 OF 4)
FROM
CERTIFICATION
ECU
(DIAGRAM
1 OF 4)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 2 OF 4)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 2 OF 4)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 2 OF 4)
FROM ENGINE
ROOM R/B 2
(DIAGRAM 1 OF 4)
2
1
1
2
BECU
IG
P
L
N
10A
5A
7.5A
5A
INSTRUMENT PANEL J/B ASSEMBLY
J/C A50
PTC HTR
3 RELAY
PTC HTR
1 RELAY
PTC HTR
2 RELAY
ENGINE ROOM R/B 2
SHIFT
LOCK
CONTROL
ECU
(LOWER
SHIFT
LEVER
ASSEMBLY)
DIODE
VEHICLE
APPROACHING
SPEAKER
CONTROLLER
PRE-COLLISION
CITY
HEATER
SLIDING
ROOF
CONTROL
ECU
(SLIDING
ROOF
REGULATOR
HANDLE
ASSEMBLY)
A/C
CONTROL
ASSEMBLY
A/C
AMPLIFIER
ASSEMBLY
POWER
STEERING
ECU
ASSEMBLY
COMPRESSOR
W/ MOTOR
ASSEMBLY
RADIO &
DISPLAY
RECEIVER
ASSEMBLY
NAVIGATION
RECEIVER
ASSEMBLY
MAIN
BODY
ECU
J/C A48
J/C
G73 & G74
DEF
RELAY
BKUP LP
RELAY
SKID CONTROL
ECU W/
ACTUATOR
(BRAKE BOOSTER
W/ MASTER
CYLINDER
ASSEMBLY)
HYBRID
VEHICLE
CONTROL
ECU
PRE-COLLISION
CITY
SENSOR
COMBINATION
METER
ASSEMBLY
OCCUPANT
DETECTION
ECU
A/C
AMPLIFIER
ASSEMBLY
NETWORK
GATEWAY
ECU
TRANSPONDER
KEY ECU
ASSEMBLY
TIRE PRESSURE
WARNING
ECU &
RECEIVER
(DOOR
CONTROL &
TIRE PRESSURE
MONITORING
SYSTEM RECEIVER
ASSEMBLY)
NETWORK
GATEWAY
ECU
ENGINE ROOM R/B 2
D21
7
MY1
6
Y3
1
D30
30
1
1
3
G58
G1
1
B14
G34
21
B29
C36
C21
19
16
1
22
20
1
G74
G73
7
11
QG2
12
7
32
A40
6
5
1
2
1
4
G78
G41
1
1
QG2
13
1
1
3
CA1
5
12
6
C22
5
1
G34
2
2
2
13
14
C27
A54
A53
C14
D32
C15
A51
A49
G6
1
A52
BLU
BRN
BLU
TAN
BRN
WHT
GRN
TAN
TAN
BLU
TAN
TAN
BLU
BLU
BLK
BLK
YEL
BLK
BLU
LT GRN
LT GRN
VIO
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
BLU
VIO
VIO
VIO
RED
RED
BRN
BRN
VIO
GRY
YEL
GRY
BLU
BLU
VIO
VIO
LT GRN
BLU
HTR-
IG
FUSE
ECU-
IG 2
FUSE
GAUGE
FUSE
ECU-
IG 1
FUSE
(LEFT END OF DASH)
(LEFT END
OF DASH)
(RIGHT SIDE OF ENGINE COMPT)
(LEFT END
OF DASH)
(LEFT SIDE
OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(W/O NAVIGATION)
(W/ NAVIGATION)
(IF
EQUIPPED)
W/O NAVIGATION SYSTEM
W/ NAVIGATION SYSTEM
FROM IG1
RELAY
(DIAGRAM
2 OF 4)
FROM ENGINE
ROOM J/B 2
(DIAGRAM
1 OF 4)
FROM ENGINE
ROOM J/B 2
(DIAGRAM
1 OF 4)