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Toyota
·
Sequoia
·
2018 Toyota Sequoia
·
Wiring
Wiring diagram
2018 Toyota Sequoia — power distribution
Sheets
7
Labels
1036
Power distribution
Sheet 1
of 7
Sheet 2
of 7
Sheet 3
of 7
Sheet 4
of 7
Sheet 5
of 7
Sheet 6
of 7
Sheet 7
of 7
U
15A
S
Q
P
N
20A
40A
30A
15A
15A
30A
C
30A
30A
30A
7.5A
40A
40A
30A
30A
30A
A
20A
B
E
50A
150A
180A
30A
5A
50A
50A
40A
C
7.5A
50A
40A
30A
15A
20A
25A
30A
ENGINE ROOM J/B
ENGINE ROOM R/B
ENGINE ROOM J/B
ENGINE ROOM R/B
ENGINE ROOM R/B
2D
I2
I1
2G
2L
2J
2
1
2E
2F
RED
ORG
GRN
BLK
BLU
WHT
BLK
RED
VIO
GRY
BLU
GRN
ORG
RED
LT GRN
BLK
BLK
BLU
BLK
BLK/BLU
RED
VIO
BLK
BLU
BLK
BLK
BLU
WHT
RED
VIO
PNK
RED
RED
LT BLU
WHT
WHT
(LEFT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
ALT
FUSE
SHORT PIN
A/PUMP 1
FUSE
LH-J/B
FUSE
HTR
FUSE
TOWING
FUSE
GATEWAY
FUSE
ECU-DCC
FUSE
ABS2
FUSE
ABS1
FUSE
AMP
FUSE
BATTERY
LED
DRL
FUSE
P/OUTLET 1
FUSE
FOG FR
FUSE
A/C RR
FUSE
PFS L2
FUSE
PFS R1
FUSE
MIR HTR
FUSE
TOW BRK
FUSE
PBD
FUSE
PFS L1
FUSE
SUB BATT
FUSE
PFS R2
FUSE
DOOR
FUSE
TI & TE
FUSE
IG1 3
FUSE
IG1 5
FUSE
AIR
SUS
FUSE
IG1 4
FUSE
AIR
SUS 1
FUSE
DEFOG
FUSE
TOW
TAIL
FUSE
DEICER
FUSE
CDS FAN
FUSE
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
TO MAIN
FUSE
(DIAGRAM
6 OF 7)
TO
F/PMP
(DIAGRAM
2 OF 7)
SOUND
SYSTEMS
ENGINE
CONTROLS
SYSTEM
COMPUTER
DATA LINES
SYSTEM
ANTI-LOCK
BRAKES
SYSTEM
TO
DRIVER SIDE J/B
(DIAGRAM 2 OF 7)
TO
DRIVER
SIDE J/B
(DIAGRAM
2 OF 7)
AIR
CONDITIONING
SYSTEM
STARTING/
CHARGING
SYSTEM
STARTING/
CHARGING
SYSTEM
TO
TOW TAIL
FUSE
(DIAGRAM
1 OF 7)
TO
ENGINE
ROOM R/B
(DIAGRAM
7 OF 7)
AIR
CONDITIONING
SYSTEM
TRUNK,
TAILGATE,
FUEL DOORS
SYSTEM
DEFOGGER
SYSTEM
HEADLIGHTS
SYSTEM
HEADLIGHTS
SYSTEM
SEATS SYSTEM
FROM
TOW BRK
FUSE
(DIAGRAM
1 OF 7)
TO INV
FUSE
(DIAGRAM
4 OF 7)
DEFOGGER
SYSTEM
DEFOGGER
SYSTEM
TO
ENGINE
ROOM R/B
(DIAGRAM
6 OF 7)
TO
ENGINE
ROOM R/B
(DIAGRAM
6 OF 7)
ELECTRONIC
SUSPENSION
SYSTEM
SEATS
SYSTEM
ELECTRONIC
POWER STEERING
SYSTEM
POWER WINDOWS,
DOOR LOCKS,
WIPER/WASHER &
TRUNK, TAILGATE, FUEL
DOORS SYSTEMS
AIR
CONDITIONING
SYSTEM
ELECTRONIC
SUSPENSION
SYSTEM
A
N
5A
15A
5A
K
40A
30A
10A
5A
10A
30A
E
D
30A
30A
30A
20A
20A
15A
10A
7.5A
DRIVER SIDE J/B
MAIN
BODY
ECU
DOME CUT
RELAY
DOOR BACK
RELAY
DRIVER SIDE J/B
MAIN
BODY ECU
J/C H174
ENGINE ROOM R/B
H24
K7
K1
I24
I25
I26
I27
22
17
16
K29
31
19
20
21
J32
J10
H1
I22
27
I28
K21
J13
I7
K4
K2
J12
G1
J54
(OR PPL/LT BLU)
(OR WHT)
GRN
BLU
GRN
LT GRN
RED
VIO
LT GRN
PPL/BLU
RED
BLU
BLK
PNK
WHT
BLK
GRN
BLU
PPL/BLU
BLU
BLU
VIO
YEL
BLK
PNK
(LEFT END OF DASH)
(LEFT END OF DASH)
(CENTER
OF DASH)
(LEFT SIDE OF
ENGINE COMPT)
SPARE
FUSE
DOOR
BACK
FUSE
OBD
FUSE
DOME
FUSE
S/ROOF
FUSE
DOOR R/R
FUSE
P/SEAT F/L
FUSE
DOOR
FUSE
P/SEAT
FUSE
SPARE
RELAY
RADIO
FUSE
ECU-DCC 2
FUSE
ECU-DCC 1
FUSE
F/PMP
FUSE
JB-B
FUSE
AI-HTR
FUSE
ETCS
FUSE
SPARE
FUSE
ST
FUSE
ALT-S
FUSE
(NOT
USED)
(NOT
USED)
(NOT USED)
(NOT
USED)
(NOT
USED)
TO PWR RELAY
(DIAGRAM 3 OF 7)
FROM
ENGINE
ROOM J/B
(DIAGRAM
1 OF 7)
POWER TOPS
SYSTEM
COMPUTER
DATA LINES
SYSTEM
SEATS &
MEMORY
SYSTEMS
SEATS
SYSTEM
POWER WINDOWS &
MEMORY SYSTEMS
ANTI-THEFT
SYSTEM
MEMORY &
TRUNK,
TAILGATE,
FUEL DOORS
SYSTEMS
FROM
ENGINE
ROOM R/B
(DIAGRAM
1 OF 7)
NAVIGATION &
SOUND
SYSTEMS
INTERIOR
LIGHTS
SYSTEM
MEMORY
SYSTEMS
MIRRORS
SYSTEM
ELECTRONIC
POWER
STEERING
SYSTEM
INSTRUMENT
CLUSTER
SYSTEM
FROM
SHORT PIN
(DIAGRAM
1 OF 7)
ENGINE CONTROLS,
CRUISE CONTROL &
TRANSMISSIONS
SYSTEMS
TO
DRIVE SIDE J/B
(DIAGRAM
5 OF 7)
ENGINE CONTROLS
SYSTEM
STARTING/CHARGING
SYSTEM
L
V
T
R
M
J
G
F
5A
15A
10A
H
5A
10A
15A
5A
D
5A
ACC
OFF
LOCK
ON
START
ACC
ON
OFF
LOCK
ON
OFF
LOCK
ACC
START
ACC
OFF
ON
LOCK
START
START
J/C H174
DRIVER SIDE J/B
MAIN
BODY
ECU
PWR
RELAY
MIR
HTR
RELAY
J/C H180
J/C A75
J/C H173
K12
J11
H11
J34
K26
K22
H32
12
14
13
AH13
10
J14
30
12
20
22
J40
15
21
14
13
J21
3
1
2
4
8
9
10
11
J55
H12
J17
14
J30
3
1
2
4
J35
H10
I11
K30
J53
H2
J6
5
4
7
6
2
1
GRN
LT GRN
GRN
BLK
BLU
ORG
LT GRN
BLU
VIO
GRY
BRN
ORG
LT BLU
GRN
LT BLU
RED
LT GRN
ORG
WHT
GRY
LT GRN
LT GRN
LT GRN
GRY
RED
BLU
BRN
GRN
GRY
LT BLU
RED
GRN
GRN
BLU
GRN
WHT
WHT
(CENTER
OF DASH)
(EARLY PRODUCTION: LOWER RIGHT END OF DASH)
(LATE PRODUCTION: LOWER LEFT END OF DASH)
(LEFT END OF DASH)
(CENTER
OF DASH)
(CENTER
OF DASH)
(CENTER
OF DASH)
IGNITION OR STARTER
SWITCH ASSEMBLY
ACC CUT RELAY
AM1
FUSE
IG1 2
RELAY
TAIL
RELAY
ACC
RELAY
IG1 1
RELAY
TAIL
FUSE
PANEL
FUSE
ECU-
IG1 3
FUSE
ECU-
ACC
FUSE
RR SEAT
HTR LH
FUSE
EPS-IG1
FUSE
P/OUTLET 2
FUSE
SPARE
FUSE
SPARE
FUSE
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
SHIFT
INTERLOCK
SYSTEM
STARTING/
CHARGING
SYSTEM
FROM
DRIVER SIDE J/B
(DIAGRAM 5 OF 7)
ENGINE
CONTROLS
SYSTEM
TO
ENGINE ROOM J/B
(DIAGRAM 6 OF 7)
TO
J/C A75
(DIAGRAM 6 OF 7)
FROM
J/C H184
(DIAGRAM
5 OF 7)
TO IG2 2 RELAY
(DIAGRAM 5 OF 7)
FROM
P/SEAT F/L
FUSE
(DIAGRAM
2 OF 7)
TO BKUP LP
FUSE
(DIAGRAM
4 OF 7)
TO
IG2 2 RELAY
(DIAGRAM
5 OF 7)
TO
ENGINE ROOM R/B
(DIAGRAM
7 OF 7)
TO CENTER
POWER POINT
SOCKET ASSEMBLY
(DIAGRAM
7 OF 7)
ELECTRONIC
POWER
STEERING
SYSTEM
INTERIOR
LIGHTS
SYSTEM
SEATS SYSTEM
EXTERIOR LIGHTS
SYSTEM
MIRRORS
SYSTEM
MIRRORS,
POWER TOPS &
NAVIGATION
SYSTEMS
AIR
CONDITIONING
SYSTEM
COMPUTER
DATA LINES
SYSTEM
DEFOGGER
SYSTEM
AIR
CONDITIONING &
DEFOGGER
SYSTEMS
SOUND &
NAVIGATION
SYSTEMS
5A
H
E
B
AC2
GND
AC1
IG
P
20A
5A
10A
7.5A
ENGINE ROOM R/B
J/C A71
J/C O39
J/C O40
DRIVER
SIDE J/B
BACKUP
RELAY
MAIN BODY
ECU
J/C A76
J/C H179
H23
K27
12
22
13
21
16
11
3
7
19
14
K35
18
20
17
6
32
5
1
2
10
9
I31
18
17
H17
21
20
22
9
1
AH11
8
1
2
3
5
AO2
8
OH6
9
12
12
SH1
9
1
1
7
1
3
2
4
8
7
6
5
4
3
2
1
J56
H14
I30
(OR LT BLU)
WHT/BLK
LT BLU
YEL
ORG
GRN
YEL
ORG
GRY
LT BLU
VIO
BLK
RED
WHT
BLU
GRY
GRY
PNK
PNK
PNK
BLU
VIO
BLU
YEL
LT BLU
WHT
PNK
VIO
BLU
BLK
BLK
YEL
RED
BLK
LT GRN
WHT/BLK
WHT/BLK
RED
WHT/BLK
RED
BLK
WHT
YEL
BLK
WHT/BLK
WHT
YEL
LT GRN
(LEFT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT SIDE
OF DASH)
(BEHIND LEFT REAR
QUARTERPANEL)
(BEHIND LEFT REAR
QUARTERPANEL)
(BEHIND LEFT REAR
QUARTERPANEL)
(LEFT END
OF DASH)
(LEFT SIDE OF
ENGINE COMPT)
(CENTER OF
DASH)
INV RELAY
INV
FUSE
VOLTAGE INVERTER
ASSEMBLY
POWER OUTLET
SOCKET ASSEMBLY
BKUP LP
FUSE
ECU-
IG1 2
FUSE
ECU-
IG1 1
FUSE
ECU-IG1 4
FUSE
A4
O2
(NOT
USED)
(NOT
USED)
FROM AIR
SUS 1 FUSE
(DIAGRAM 1 OF 7)
FROM
IG1 1 RELAY
(DIAGRAM
3 OF 7)
SHIFT
INTERLOCK
SYSTEM
AIR
CONDITIONING
SYSTEM
ANTI-LOCK BRAKES &
ELECTRONIC POWER
STEERING SYSTEMS
CRUISE
CONTROL &
NAVIGATION
SYSTEMS
ANTI-LOCK
BRAKES
SYSTEM
STARTING/
CHARGING
SYSTEM
NAVIGATION
SYSTEM
SEATS &
TRUNK,
TAILGATE,
FUEL DOORS
SYSTEMS
AIR
CONDITIONING
SYSTEM
WARNING,
DOOR
LOCKS &
TRUNK,
TAILGATE,
FUEL DOORS
SYSTEMS
SEATS
SYSTEM
ENGINE CONTROLS,
EXTERIOR LIGHTS,
NAVIGATION &
TRANSMISSIONS
SYSTEMS
MEMORY
SYSTEMS
COMPUTER
DATA LINES
SYSTEM
SEATS SYSTEM
ELECTRONIC
POWER
STEERING &
NAVIGATION
SYSTEMS
ENGINE
CONTROLS &
TRANSMISSIONS
SYSTEMS
SOUND &
NAVIGATION
SYSTEMS
AIR
CONDITIONING &
DEFOGGER
SYSTEMS
L
20A
7.5A
M
5A
5A
K
5A
5A
15A
G
10A
F
5A
25A
15A
DRIVER SIDE J/B
J/C H183
J/C H184
J/C A72
MAIN
BODY
ECU
SECURITY
HORN
RELAY
L/D-DR
UNLOCK
RELAY
ALL DR
LOCK
RELAY
D-DR
UNLOCK
RELAY
J/C H184
H15
K36
J33
11
K5
I15
J1
J3
H21
K31
H22
I8
H20
I5
J43
H9
13
16
21
K32
17
18
19
J23
2
3
1
F1
2
3
1
I19
I32
J47
I20
J44
H3
J22
J9
3
6
I3
RED
GRN
GRN
GRN
GRN
GRN
RED
PNK
RED
LT GRN
YEL
RED
BLU
BLU
BLK
RED
GRY
GRN
PNK
BLK
BLK
ORG
BLU
YEL
VIO
WHT/BLK
WHT/BLK
(LEFT END OF DASH)
(LEFT SIDE
OF DASH)
(CENTER
OF DASH)
(LEFT END
OF DASH)
(LEFT KICK
PANEL)
(CENTER
OF DASH)
HAZ
FUSE
AM2
FUSE
STOP
FUSE
ECU-B 1
FUSE
IG2 2
RELAY
METER-IG2
FUSE
ECU-IG2 3
FUSE
A/BAG-IG2
FUSE
ECU-B 2
FUSE
D/L
FUSE
SPARE
FUSE
S-HORN
FUSE
AMP 2
FUSE
SPARE
RELAY
H1
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT USED)
(NOT
USED)
FROM
IG1 1 RELAY
(DIAGRAM
3 OF 7)
FROM
PWR RELAY
(DIAGRAM
3 OF 7)
EXTERIOR LIGHTS
SYSTEM
ANTI-LOCK BRAKES &
ELECTRONIC POWER
STEERING SYSTEMS
TO
IGNITION OR
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
3 OF 7)
SUPPLEMENTAL
RESTRAINTS
SYSTEM
INSTRUMENT CLUSTER,
TRANSMISSIONS,
ENGINE CONTROLS,
STARTING/CHARGING,
ANTI-LOCK BRAKES,
CRUISE CONTROL,
DOOR LOCKS,
WIPER/WASHER,
HEADLIGHTS,
EXTERIOR LIGHTS,
SUPPLEMENTAL RESTRAINTS,
INTERIOR LIGHTS,
ELECTRONIC
POWER STEERING,
POWER TOPS,
TRUNK, TAILGATE,
FUEL DOORS,
NAVIGATION &
SOUND SYSTEMS
FROM
ENGINE ROOM R/B
(DIAGRAM
2 OF 7)
ANTI-THEFT
SYSTEM
COMPUTER
DATA LINES
SYSTEM
ANTI-LOCK
BRAKES
SYSTEM
ENGINE CONTROLS,
ANTI-LOCK BRAKES,
CRUISE CONTROL,
EXTERIOR LIGHTS,
SHIFT INTERLOCK &
TRANSMISSIONS SYSTEMS
DOOR
LOCKS &
WARNING
SYSTEMS
SOUND
SYSTEMS
POWER
WINDOWS
SYSTEM
SUPPLEMENTAL
RESTRAINTS
SYSTEM
AIR
CONDITIONING
SYSTEM
TO
ACC CUT RELAY
(DIAGRAM
3 OF 7)
T
10A
10A
30A
25A
10A
15A
50A
40A
B
7.5A
20A
20A
10A
S
R
20A
Q
30A
ENGINE ROOM R/B
J/C A71
J/C A54
J/C
A75
ENGINE ROOM R/B
ENGINE ROOM J/B
HORN
RELAY
EFI MAIN
RELAY
A/F
RELAY
J/C A54
15
3
4
B6
B8
B7
B1
C1
I4
2H
I3
2
9
1
2
3
5
5
4
13
12
14
1
2
3
5
VIO
VIO
WHT/BLK
VIO
BLU
YEL
YEL
GRN
YEL
WHT/BLK
BLU
YEL
YEL
BLU
BLU
GRN
GRN
VIO
VIO
GRN
GRN
GRN
GRN
WHT/BLK
WHT/BLK
BLU
GRN
WHT
WHT/BLK
BLU
PNK
LT GRN
PNK
BLK
RED
BLU
BLU
BLU
BLU
WHT/BLK
RED
(LEFT SIDE OF ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(RIGHT SIDE
OF DASH)
(LOWER LEFT
END OF DASH)
(RIGHT SIDE
OF ENGINE
COMPT)
(BEHIND LEFT
HEADLIGHT ASSEMBLY)
(LEFT SIDE OF
ENGINE COMPT)
(LEFT END OF DASH)
(LEFT SIDE OF
ENGINE COMPT)
(BEHIND LEFT
HEADLIGHT ASSEMBLY)
IG1 4 RELAY
IG1 3 RELAY
WIPER
FUSE
WASHER
FUSE
S/HTR
RR
FUSE
TOW
BKUP
FUSE
AIR SUS
FUSE
4WD
FUSE
HORN
FUSE
A/F
FUSE
MAIN
FUSE
A/PUMP 2
FUSE
IG2 MAIN
FUSE
EFI 1
FUSE
INJ
FUSE
IGN
FUSE
IG2
RELAY
A4
A2
A2
(NOT
USED)
FROM
ENGINE
ROOM R/B
(DIAGRAM
1 OF 7)
WIPER/WASHER
SYSTEM
SEATS
SYSTEM
FROM
ENGINE
ROOM R/B
(DIAGRAM
1 OF 7)
ELECTRONIC
SUSPENSION
SYSTEM
TRANSMISSIONS
SYSTEM
SEATS SYSTEM
FROM
DRIVER
SIDE J/B
(DIAGRAM
3 OF 7)
FROM
A/PUMP 1
FUSE
(DIAGRAM
1 OF 7)
ENGINE CONTROLS
SYSTEM
FROM
IGNITION OR
STARTER
SWITCH
ASSEMBLY
(DIAGRAM
3 OF 7)
ENGINE
CONTROLS
SYSTEM
HEADLIGHTS
SYSTEM
ENGINE CONTROLS
SYSTEM
V
B
E
B
E
B
E
ACC
E
B
E
U
J
ENGINE ROOM R/B
J/C A71
SH1
18
SH1
10
2
1
2
1
OH4
2
1
2
2
1
2
1
AH4
11
AH11
18
3
9
1
2
3
5
ORG
RED
WHT/BLK
WHT/BLK
WHT/BLK
RED
WHT/BLK
RED
WHT/BLK
VIO
VIO
WHT/BLK
WHT/BLK
VIO
WHT/BLK
WHT/BLK
VIO
WHT/BLK
WHT/BLK
VIO
LT GRN
WHT/BLK
WHT/BLK
BLU
GRN
RED
(LEFT SIDE OF ENGINE COMPT)
(RIGHT SIDE
OF DASH)
(RIGHT SIDE
OF ENGINE
COMPT)
(LOWER LEFT
CENTER OF DASH)
(BEHIND REAR OF LEFT
REAR QUARTERPANEL)
(LOWER LEFT
CENTER OF DASH)
(LOWER LEFT
CENTER OF DASH)
P/OUTLET 1 RELAY
FRONT
POWER
POINT
SOCKET
ASSEMBLY
CENTER
POWER
POINT
SOCKET
ASSEMBLY
CENTER
POWER
OUTLET
SOCKET
ASSEMBLY
REAR
POWER
POINT
SOCKET
ASSEMBLY
POWER
POINT
SOCKET
ASSEMBLY 3
A4
H2
H2
H2
O2
(W/O REAR SEAT
ENTERTAINMENT
SYSTEM)
FROM
J/C H173
(DIAGRAM
3 OF 7)
FROM
ENGINE
ROOM R/B
(DIAGRAM
1 OF 7)
FROM
DRIVER
SIDE J/B
(DIAGRAM
3 OF 7)