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·
Nx300
·
2020 Lexus NX300
·
Wiring
Wiring diagram
2020 Lexus NX300 — power distribution
Sheets
7
Labels
2212
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
1
2
1
2
2
1
3
4
3
4
15A
30A
50A
Y
10A
A
20A
CUTB
W
10A
U
TAIL
E
ASEL
PGND
ACC
B+
DIS
T
E
S
(12 GA-WHT)
B
C
ACCD
IG1D
+B
AGND
SSW1
SSW2
SS1
AGND
SS2
7.5A
5A
10A
5A
5A
10A
25A
5A
10A
10A
5A
20A
H
30A
50A
140A
20A
30A
10A
10A
30A
30A
80A
20A
ENGINE ROOM J/B 1
EDU
RELAY
ENGINE
ROOM R/B 1
GENERATOR
ASSEMBLY
H-LP RH
RELAY
ENGINE
ROOM R/B 2
COMBINATION
METER
ASSEMBLY
STEERING
LOCK
ACTUATOR
ASSEMBLY
POWER
STEERING
ECU
ASSEMBLY
BRAKE ACTUATOR
ASSEMBLY
PARKING BRAKE
ECU ASSEMBLY
ENGINE
ROOM
R/B 1
EFI-
MAIN 1
RELAY
J/C 12
(I80)
RADIO
RECEIVER
ASSEMBLY
DOME CUT
RELAY
R/B ASSEMBLY
COMBINATION
METER
ASSEMBLY
STEERING
SENSOR (SPIRAL
CABLE W/
SENSOR
SUB-ASSEMBLY)
ECM
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
J/C 13
(I81)
J/C 7 (I73)
J/C 30
(Q29)
INTEGRATION
CONTROL &
PANEL ASSEMBLY
CLOCK
ASSEMBLY
(AIR
CONDITIONING
CONTROL
ASSEMBLY)
MULTIPLEX
TILT &
TELESCOPIC
ECU
HEADUP
DISPLAY
(COMBINATION
METER MIRROR
ECU)
RIGHT
FOLD
SEAT
CONTROL
ECU
LEFT
FOLD
SEAT
CONTROL
ECU
RIGHT
OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
MAP LIGHT
ASSEMBLY
LEFT OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
SHORT CONNECTOR
I63 & r1
KICK DOOR
CONTROL
SENSOR
LEFT
FRONT
POWER
SEAT
SWITCH
MULTIPLEX
NETWORK
DOOR
ECU
ENGINE
ROOM
R/B 2
J/C 14
(I82)
CERTIFICATION ECU
HORN RELAY
ENGINE ROOM R/B 2
ID CODE
BOX
DCM
(TELEMATICS
TRANSCEIVER)
OCCUPANT
DETECTION
ECU
ENGINE SWITCH
2
1
3
P22
P22
16
16
AI5
I152
1
4
AP1
17
1
i3
h3
I10
I189
T6
n1
I11
9
AI13
1
1
1
AI15
3
1
1
5
1
1
16
iQ1
16
hQ1
10
TI1
2
4
IJ2
13
2
8
7
5
AI2
AI14
4
22
20
AI2
5
An1
1
1
5
AI2
7
1
CA3
8
48
C20
D1
1
AQ1
8
Q25
7
12
WV1
3
21
1
VQ1
7
ZY2
16
ZQ3
Y26
20
6
I51
4
4
LI2
6
3
Qg1
12
g12
9
MI2
5
6
11
AI13
1
9
AP1
5
Pf2
f15
1
5
1
A35
13
38
20
KI1
1
10
2
5
21
15
21
I52
10
1
5
6
7
11
I63
I63
r1
4
4
3
3
3
8
6
IQ2
18
12
15
13
14
15
11
10
9
1
5
22
19
17
18
21
20
AI3
23
AI13
I53
10
3
I51
9
12
16
I53
18
1
5
6
B1
A1
C1
PNK
WHT
BLK
PNK
BLK
BLK
RED
BLU
BLU
RED
BLK
BLK
RED
BLK
BLU
BLU
WHT/BLK
LT
BLU
YEL
BLK
BLK
WHT
WHT
RED
GRN
WHT
WHT
YEL
WHT
RED
RED
BLU
BLU
RED
BLK
WHT
YEL
WHT
WHT
WHT
PNK
PNK
BLK
PNK
GRY
BLK
RED
WHT
BLU
RED
YEL
(OR GRN)
WHT/BLK
WHT/BLK
VIO
LT GRN
BLK
LT GRN
VIO
GRY
GRY
BRN
BLK
BLU
WHT
WHT/BLK
BLU
(OR WHT)
BLU
BLU
WHT
WHT
WHT
BLU
WHT
PNK
BLU
BLK
(OR WHT)
RED
BLU
RED
BLU
BLU
RED
LT GRN
BLK
WHT
BLK
GRN
GRN
WHT
WHT
BLK
GRN
ORG
WHT
GRY
BLU
WHT
WHT
WHT
BLU
PNK
LT GRN
GRN
LT GRN
GRN
PNK
WHT
BLK
BLK
BLK
BLK
WHT
RED
RED
BLK
RED
BLK
BLK
RED
RED
RED
RED
BLK
BLK
WHT
BLK
WHT
BLU
WHT
BLK
BLK
BLU
BLK
BLK
WHT
BLU
BLK
BLK/GRY
H-LP MAIN
RH/H-LP
MAIN LO
FUSE
TURN &
HAZ
FUSE
STRG
LOCK
FUSE
EPS
FUSE
EDU
FUSE
ALT
FUSE
EPB 1
FUSE
EPB 2
FUSE
ABS
MAIN
FUSE
ABS
MTR
FUSE
MAIN
FUSIBLE
LINK
R/B
RH-B
FUSE
ECU-
B 1
FUSE
AM2
FUSE
ETCS
FUSE
EFI-
MAIN 1
FUSE
D/C
CUT
FUSE
RADIO
FUSE
BBC 2
FUSE
IG2-
MAIN
FUSE
METER 1
FUSE
ECU-B 4
FUSE
DOME
FUSE
AMP
FUSE
BATTERY
ECU-
B 2
FUSE
IMMOBI
FUSE
ODS
FUSE
ECU-B 5
FUSE
HORN
FUSE
DCM
FUSE
MOBILE WIRELESS
CHARGER CRADLE
ASSEMBLY
(LEFT SIDE OF ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(LEFT
SIDE OF
ENGINE
COMPT)
(LEFT
SIDE OF
TRANSAXLE)
(RIGHT END
OF DASH)
(LEFT
FRONT OF
ENGINE
COMPT)
(UPPER CENTER
OF DASH)
(LEFT END OF DASH)
(RIGHT END
OF DASH)
(LEFT
FRONT
OF
LUGGAGE
COMPT)
(UNDER CENTER CONSOLE)
(RIGHT
SIDE
OF
ENGINE
COMPT)
(RIGHT END
OF DASH)
(LOWER RIGHT SIDE OF DASH)
(LOWER RIGHT
CENTER OF DASH)
(UPPER RIGHT
SIDE OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(IF EQUIPPED)
W/O SAFETY CONNECT
W/ SAFETY CONNECT
W/ NAVIGATION
W/O NAVIGATION
DB
DA
IE
IF
TO H-LP MAIN
LH/H-LP
MAIN HI
FUSE (DIAGRAM
7 OF 7)
TO ENGINE
ROOM J/B 2
(DIAGRAM
2 OF 7)
TO INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 3 OF 7)
TO ENGINE
ROOM R/B 1
(DIAGRAM
2 OF 7)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM 4 OF 7)
TO INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 4 OF 7)
FROM J/C 25 (I137)
(DIAGRAM 3 OF 7)
TO J/C 4
(A48)
(DIAGRAM
7 OF 7)
TO J/C 21
(I133)
(DIAGRAM
3 OF 7)
INTERIOR
LIGHTS
SYSTEM
1
2
2
1
50A
EXCD
N
50A
Q
10A
7.5A
5A
5A
10A
5A
K
A
50A
15A
20A
30A
5A
15A
30A
15A
7.5A
ACC2
ACC1
D
20A
H
J
AC1
GND
IG
AC2
ENGINE ROOM R/B 1
INSTRUMENT PANEL J/B ASSEMBLY
J/C 10
(I76)
J/C 7
(I73)
ECM
STOP
LIGHT
SWITCH
ASSEMBLY
AIR BAG
ECU
ASSEMBLY
COMBINATION
METER
ASSEMBLY
FUEL
INJECTOR
ASSEMBLY
1
(PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY
2
(PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY
3
(PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY
4
(PORT
INJECTION)
OCCUPANT
DETECTION
ECU
IGNITION
COIL
ASSEMBLY
1
IGNITION
COIL
ASSEMBLY
3
IGNITION
COIL
ASSEMBLY
2
IGNITION
COIL
ASSEMBLY
4
NETWORK
GATEWAY
ECU
STEERING
LOCK
ACTUATOR
ASSEMBLY
DCM
(TELEMATICS
TRANSCEIVER)
MAP
LIGHT
ASSEMBLY
ENGINE
ROOM J/B 2
ENGINE ROOM R/B 2
DEICER
RELAY
DEF
RELAY
ENGINE ROOM R/B 2
DRL LH
RELAY
DRL RH
RELAY
HEADLIGHT
CLEANER
MOTOR &
PUMP
ASSEMBLY
STRG HTR
RELAY
FAN
RELAY 2
FAN
RELAY 1
ENGINE ROOM R/B 2
R/B ASSEMBLY
ENGINE ROOM R/B 2
RIGHT REAR
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
RIGHT
FRONT
POWER
SEAT
SWITCH
FOG FR
RELAY
E-MIR1
RELAY
E-MIR2
RELAY
R/B ASSEMBLY
J/C 20
(I92)
J/C 16 (I84)
COMBINATION
SWITCH
ASSEMBLY
RIGHT OUTER
MIRROR
CONTROL ECU
ASSEMBLY
LEFT
OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
RR S-HTR
RELAY
R/B ASSEMBLY
SKID
CONTROL
BUZZER
ASSEMBLY
FORWARD
RECOGNITION
W/ HEATER
HOOD SUB-
ASSEMBLY
STEREO
COMPONENT
EQUALIZER
ASSEMBLY
RADIO
RECEIVER
ASSEMBLY
LEFT OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
COMBINATION
SWITCH
ASSEMBLY 2
A/C
CONTROL
ASSEMBLY
MILLIMETER
WAVE RADAR
SENSOR
ASSEMBLY
VEHICLE
SOUND
SWITCH
ECM
REFRESHING
SEAT SWITCH
MULTIPLEX
TILT &
TELESCOPIC
ECU
1
1
1
10
9
4
14
12
T7
I189
11
AB2
11
8
AI5
8
2
5
I153
19
8
2
5
8
14
TI3
1
3
2
12
AI3
1
5
5
1
5
5
3
3
5
1
5
1
1
Pf1
AP1
18
13
3
TI2
5
19
12
5
13
15
5
CE1
5
CA2
6
1
1
1
1
1
CA2
6
1
Pf2
IP1
21
6
f15
21
I58
6
1
AP1
11
2
NP1
5
14
LI1
MI1
4
14
1
2
3
AI1
3
10
MI1
9
5
I10
21
A35
6
7
19
22
21
1
2
15
3
14
12
5
11
4
8
10
9
6
2
AQ4
A35
18
3
B5
C2
C13
B13
B20
B33
B40
D8
D35
C36
26
AI13
3
5
4
1
2
5
1
A1
2
IQ3
10
4
1
2
3
8
6
7
5
1
YEL
YEL
YEL
WHT/
WHT/
YEL
BLU
YEL
RED
YEL
RED
RED
RED
VIO
PNK
LT BLU
RED
LT GRN
BLK
BLU
YEL
BLK
BLK
BLK
BLK
RED
RED
RED
RED
LT GRN
BLK
RED
BLK
BLK
BLK
BLK
RED
RED
RED
RED
WHT
RED
VIO
BLK
RED
VIO
VIO
BLU
YEL
YEL
YEL
YEL
YEL
YEL
YEL
BLK
PNK
PNK
PNK
PPL/GRN
LT GRN
YEL
YEL
GRN
LT GRN
BLU
BLU
RED
RED
BLK
RED
GRN
RED
YEL
VIO
BLK
LT GRN
YEL
PNK
PNK
BLU
LT BLU
YEL
PNK
BLK
BLK
BLK
BLK
BLK
YEL
BLK
LT BLU
BLK
BLK
YEL
BLK
RED
RED
PNK
BLK
YEL
BLU
RED
YEL
RED
BLK
BLK
BLK
WHT
BLK
BLK
RED
BLK
GRY
YEL
BLK
RED
BLK
BLK
BLK
WHT/BLK
WHT
WHT/BLK
RED
RED
IG2-MAIN RELAY
A/BAG
FUSE
IG2 3
FUSE
METER 2
FUSE
IG2 2
FUSE
IG2 1
FUSE
IGN
FUSE
H-LP
CLN
FUSE
P/SEAT
F/R
FUSE
DEF
FUSE
MIRROR
FUSE
FAN 1
FUSE
INV
FUSE
DOOR
R/R
FUSE
FOG FR
FUSE
STRG
HTR
FUSE
FAN 2
FUSE
DEICER
FUSE
DRL
FUSE
INV RELAY
VOLTAGE
INVERTER
ASSEMBLY
POWER
OUTLET SOCKET
ASSEMBLY 2
(LEFT SIDE OF ENGINE COMPT)
(LEFT END OF DASH)
(LEFT
FRONT
CORNER OF
ENGINE
COMPT)
(LEFT END
OF DASH)
(LEFT
END
OF
DASH)
(RIGHT
SIDE OF
ENGINE
COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(UPPER CENTER OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF ENGINE COMPT)
(UPPER CENTER OF DASH)
(RIGHT SIDE OF DASH)
(RIGHT
CENTER
OF DASH)
(UPPER RIGHT
SIDE OF DASH)
(UPPER CENTER
OF DASH)
(LEFT "C"
PILLAR)
(LEFT REAR OF
LUGGAGE COMPT)
(NOT
USED)
(NOT USED)
W/ MEMORY
W/O MEMORY
AC
IF
QB
FROM ENGINE
ROOM R/B 1
(DIAGRAM
1 OF 7)
FROM
INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 7)
TO RR
S-HTR
FUSE
(DIAGRAM
7 OF 7)
FROM ENGINE
ROOM J/B 1
(DIAGRAM
1 OF 7)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM
4 OF 7)
FROM J/C 6 (I72)
(DIAGRAM 5 OF 7)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 7)
1
2
1
2
3
4
3
4
G
5A
P
15A
15A
B
E
E
B
V
W
U
10A
15A
7.5A
L
M
30A
30A
30A
20A
E
F
30A
30A
20A
10A
20A
20A
20A
7.5A
7.5A
INSTRUMENT
PANEL J/B ASSEMBLY
D/L
BACK
RELAY
DATA LINK
CONNECTOR 3
STOP
LIGHT
CONTROL
ECU
ASSEMBLY
J/C 31
(Q30)
LEFT
REAR
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
SLIDING
ROOF
CONTROL
ECU
(SLIDING
ROOF DRIVE
GEAR
SUB-ASSEMBLY)
RIGHT
FRONT
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
LEFT
FRONT
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
LEFT
FRONT
POWER
SEAT
SWITCH
MULTIPLEX
TILT &
TELESCOPIC
ECU
STOP
LIGHT
SWITCH
ASSEMBLY
MULTIPLEX
NETWORK
DOOR ECU
J/C 25
(I137)
J/C 21
(I133)
RIGHT
FOLD
SEAT
CONTROL
ECU
LEFT
FOLD
SEAT
CONTROL
ECU
J/C 23
(I135)
NETWORK
GATEWAY
ECU
MULTI-
DISPLAY
ASSEMBLY
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
PARKING
ASSIST
ECU
REMOTE
OPERATION
CONTROLLER
ASSEMBLY
MULTI-
DISPLAY
ASSEMBLY
NAVIGATION
ECU
REMOTE
OPERATION
CONTROLLER
ASSEMBLY
CLOCK
ASSEMBLY
(AIR CONDITIONING
CONTROL ASSEMBLY)
OUTER MIRROR
SWITCH
ASSEMBLY
RADIO
RECEIVER
ASSEMBLY
ENGINE ROOM R/B 2
J/C 18 (I86)
THEFT WARNING
SIREN
ASSEMBLY
BRAKE
ACTUATOR
ASSEMBLY
ABSORBER
CONTROL
ECU
4WD
ECU
ASSEMBLY
STEERING SENSOR
(SPIRAL CABLE
W/ SENSOR
SUB-ASSEMBLY)
J/C 1 (A45)
RIGHT
SEPARATE
TYPE FRONT SEAT
CUSHION
COVER
RIGHT
SEAT CUSHION
CLIMATE CONTROL
BLOWER ASSEMBLY
RIGHT
SEAT HEATER
CONTROL
SUB-ASSEMBLY
J/C 33 (f12)
4
1
6
1
2
13
M14
14
13
1
8
2
IP6
P45
2
Y27
8
C4
D9
2
1
IQ3
D14
9
2
1
10
1
2
i4
iQ1
9
25
11
12
2
9
7
11
6
ZQ3
ZY3
10
20
1
hQ1
25
9
6
5
1
2
h4
IQ1
14
4
IP1
15
P47
12
I42
24
6
15
I152
4
12
3
Q22
6
AQ4
1
6
Pf1
AP1
10
4
10
I160
I42
12
1
16
10
TI3
8
3
IP4
3
1
OQ1
23
2
3
LI1
2
5
MI1
2
1
Qg1
7
g11
2
22
14
AI13
16
22
18
17
19
AI8
10
2
3
1
13
16
12
18
12
19
15
13
10
5
3
2
1
8
7
F1
C12
D2
A3
D3
C7
A6
B35
B34
A10
C47
C9
C48
A8
LT
LT
GRN
GRN
LT GRN
LT GRN
GRN
BLU
GRY
VIO
VIO
BLU
BLU
LT GRN
BLU
YEL
RED
WHT/BLK
WHT/BLK
WHT/BLK
GRN
GRN
WHT/BLK
WHT
BLK
WHT
PNK
GRN
ORG
GRY
BLU
WHT
PPL/WHT
BLU
BLK
BLK
WHT
RED
PNK
RED
BLU
GRN
PNK
RED
ORG
WHT
WHT
PNK
WHT
PPL/YEL
GRN
PNK
WHT
BLU
RED
RED
BLU
PNK
ORG
BLK
WHT
VIO
BLK
LT GRN
LT BLU
ORG
GRY
BLU
VIO
BLU
YEL
BLK
LT GRN
GRY
WHT/BLK
GRY
RED
BLU
RED
VIO
WHT/BLK
RED
RED
RED
WHT/BLK
WHT/BLK
BLK
RED
GRN
WHT
PNK
BLU
RED
WHT
WHT
WHT
BLU
YEL
GRN
P/OUTLET 1
FUSE
D/L 2
FUSE
ACC
FUSE
P/SEAT
R/R
FUSE
DOOR
F/L
FUSE
P/SEAT
F/L
FUSE
DOOR
F/R
FUSE
DOOR
R/L
FUSE
P/SEAT
R/L
FUSE
S/ROOF
FUSE
STOP
FUSE
OBD
FUSE
TI & TE
FUSE
PBD
FUSE
P/OUTLET
RELAY
P/OUTLET 2
FUSE
POWER
OUTLET
SOCKET
ASSEMBLY 1
REAR POWER
OUTLET
SOCKET
ASSEMBLY 1
IG1 RELAY
S/ HTR
F/R
FUSE
IG1
FUSE
AVS
FUSE
ECU-IG 6
FUSE
(LEFT END
OF DASH)
(NEAR
BASE
OF LEFT
"B"
PILLAR)
(LEFT END
OF DASH)
(LEFT REAR OF
LUGGAGE COMPT)
(RIGHT END
OF DASH)
(UPPER LEFT
END OF DASH)
(CENTER
OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT CENTER
OF DASH)
(RIGHT FRONT
CORNER OF
ENGINE
COMPT)
(RIGHT REAR OF
ENGINE COMPT)
(UNDER FRONT
PASSENGER'S SEAT)
W/ MEMORY
W/O MEMORY
W/O CLIMATE CONTROL SEAT
W/ CLIMATE CONTROL SEAT
(NOT USED)
(W/ POWER SELF SIREN)
QC
IB
AF
FROM
ENGINE
ROOM J/B 1
(DIAGRAM
1 OF 7)
TO IG1 1 RELAY
(DIAGRAM 4 OF 7)
FROM
ACC RELAY
(DIAGRAM
4 OF 7)
TO MAIN
BODY ECU
(DIAGRAM
4 OF 7)
FROM INSTRUMENT
PANEL J/B
(DIAGRAM
4 OF 7)
FROM ENGINE
ROOM R/B 2
(DIAGRAM
1 OF 7)
TO MOBILE WIRELESS
CHARGER CRADLE ASSEMBLY
(DIAGRAM 1 OF 7)
FROM CAPACITOR
FUSE
(DIAGRAM
7 OF 7)
FROM INSTRUMENT PANEL
J/B ASSEMBLY
(DIAGRAM 4 OF 7)
1
2
1
2
3
4
3
4
X
T
M
V
Q
BECU
IG
ACC
TRLY
P
N
15A
F
B
15A
25A
5A
5A
C
D
G
10A
7.5A
10A
R
DIODE
(SHIFT POSITION)
INSTRUMENT PANEL J/B ASSEMBLY
MAIN BODY ECU
BKUP
LP
RELAY
WINDSHIELD
WIPER
SWITCH
ASSEMBLY
TIRE
PRESSURE
MONITOR
INITIATOR
DRIVER
POWER
STEERING
ECU
ASSEMBLY
J/C 18
(I86)
WINDSHIELD
WIPER
RELAY
ASSEMBLY
WINDSHIELD
WIPER
SWITCH
ASSEMBLY
WINDSHIELD
WIPER
MOTOR
ASSEMBLY
WINDSHIELD
WIPER
RELAY
ASSEMBLY
J/C 34
(G9)
REAR
WIPER
MOTOR
ASSEMBLY
DIODE
(SHIFT
POSITION)
FORWARD
RECOGNITION
CAMERA
NETWORK
GATEWAY
ECU
CLEARANCE
WARNING
ECU
ASSEMBLY
LEFT SEPARATE
TYPE FRONT SEAT
CUSHION COVER
LEFT SEAT
CUSHION CLIMATE
CONTROL BLOWER
ASSEMBLY
LEFT SEAT
HEATER
CONTROL
SUB-ASSEMBLY
I125
1
1
n3
n2
nI1
5
1
I125
10
2
2
AI5
17
2
ZQ3
1
ZY3
1
4
16
6
4
Qg1
4
1
Qg1
6
2
6
1
3
3
TI1
3
7
1
11
7
B32
B54
11
31
30
32
14
B44
D49
A27
D51
D43
C42
C41
8
9
B2
B1
B50
D56
D34
A5
C1
D1
C28
C45
A40
B55
C44
B46
D9
RED
RED
RED
BLU
RED
BLU
BLU
PPL/YEL
PPL/YEL
PPL/YEL
BLU
GRN
RED
RED
LT GRN
LT GRN
GRN
RED
GRY
GRY
BLU
BLU
BLU
YEL
ORG
WHT
YEL
BLK
GRN
BLK
ORG
RED
RED
BLU
YEL
BLU
RED
BLU
GRY
RED
GRY
WHT
WHT/BLK
GRY
ACC
RELAY
IG1 3
RELAY
TAIL
RELAY
IG1 2
RELAY
IG1 1
RELAY
BKUP LP
FUSE
WIPER
RR
FUSE
ECU-IG 2
FUSE
ECU-IG
5
FUSE
WASHER
FUSE
WIPER
FUSE
EPS-
IG
FUSE
S/HTR
F/L
FUSE
(LEFT END OF DASH)
(LEFT END
OF DASH)
(RIGHT
CENTER
OF DASH)
(UNDER
DRIVER'S
SEAT)
(NOT USED)
(NOT USED)
USED)
(NOT
W/ FRONT HEATED SEATS
W/O FRONT HEATED SEATS
W/ POWER TILT & POWER TELESCOPIC
W/O POWER TILT & POWER TELESCOPIC
IB
TO J/C 23 (I135)
(DIAGRAM 3 OF 7)
TO
ENGINE ROOM R/B 1
(DIAGRAM
2 OF 7)
TO
ENGINE ROOM R/B 2
(DIAGRAM
3 OF 7)
FROM
CERTIFICATION
ECU
(DIAGRAM
1 OF 7)
FROM
CERTIFICATION
ECU
(DIAGRAM
1 OF 7)
FROM
J/C 16
(I84)
(DIAGRAM
2 OF 7)
FROM SHORT
CONNECTOR I63 & R1
(DIAGRAM 1 OF 7)
TO P/OUTLET 2
FUSE
(DIAGRAM
3 OF 7)
FROM ACC FUSE
(DIAGRAM 3 OF 7)
FROM
OBD FUSE
(DIAGRAM
3 OF 7)
TO ECU-IG 3
FUSE
(DIAGRAM
5 OF 7)
TO TAIL
FUSE
(DIAGRAM
6 OF 7)
TO J/C 16
(I84)
(DIAGRAM
2 OF 7)
1
2
1
2
J
R
5A
7.5A
10A
INSTRUMENT PANEL
J/B ASSEMBLY
SHIFT LOCK
CONTROL ECU
(SHIFT LOCK
CONTROL UNIT
ASSEMBLY)
J/C 30 (Q29)
J/C 23
(I135)
MAP LIGHT
ASSEMBLY
SLIDING
ROOF
CONTROL
ECU
(SLIDING
ROOF DRIVE
GEAR
SUB-ASSEMBLY)
J/C 28
(P26)
PARKING
BRAKE
ECU
ASSEMBLY
RIGHT FOLD
SEAT
CONTROL
ECU
LEFT FRONT
POWER SEAT
SWITCH
REAR CROSS
TRAFFIC
ALERT
BUZZER
(BLIND
SPOT
MONITOR
BUZZER)
LEFT FOLD
SEAT
CONTROL
ECU
RIGHT
BLIND
SPOT
MONITOR
SENSOR
PARKING
ASSIST
ECU
MULTIPLEX
NETWORK
DOOR ECU
LEFT
BLIND
SPOT
MONITOR
SENSOR
LEFT FRONT
SEAT OUTER
BELT ASSEMBLY
RIGHT
FRONT
SEAT OUTER
BELT ASSEMBLY
TIRE PRESSURE
WARNING ECU &
RECEIVER
(ELECTRICAL KEY &
TIRE PRESSURE MONITORING
SYSTEM RECEIVER ASSEMBLY)
J/C 1
(A45)
J/C 6
(I72)
LEFT HEADLIGHT
CONTROL ECU
SUB-ASSEMBLY
RIGHT HEADLIGHT
CONTROL ECU
SUB-ASSEMBLY
HEADLIGHT
CLEANER
CONTROL
RELAY
PTC
HTR 2
RELAY
H-LP CLN
RELAY
STRG HTR
RELAY
PTC
HTR 3
RELAY
PTC
HTR 1
RELAY
DEICER
RELAY
A/C
AMPLIFIER
ASSEMBLY
HEADUP DISPLAY
(COMBINATION
METER MIRROR
ECU)
RIGHT OUTER
MIRROR CONTROL
ECU ASSEMBLY
ENGINE ROOM R/B 2
13
1
TI3
18
T6
1
5
4
4
3
1
1
1
P45
13
IP6
3
10
IP3
1
XP1
5
18
25
IQ1
VQ1
5
1
IP1
1
h3
3
hQ1
8
8
iQ1
3
i3
Q24
5
1
2
1
I50
1
2
IJ2
1
16
21
18
17
14
15
20
19
18
19
21
20
9
2
4
3
5
22
ZQ3
6
1
7
6
QP1
17
12
ZY2
11
Y26
18
Qg1
4
g12
3
1
Q26
14
P24
1
13
12
LI2
19
14
17
24
5
C25
C43
A32
B23
C21
C31
B36
B16
1
PNK
RED
BLU
BLU
BLU
GRN
BLK
BLK
LT GRN
PNK
WHT
GRN
PNK
PNK
BLK
BLK
GRY
GRY
BLK
BLK
BLU
GRY
VIO
LT BLU
BLK
WHT
GRY
VIO
GRN
BLU
BLK
PNK
LT GRN
GRN
GRY
BLK
PNK
GRN
PNK
GRY
BLK
WHT
LT GRN
YEL
VIO
YEL
WHT
PNK
BLK
RED
RED
VIO
(OR WHT)
WHT
LT BLU
LT GRN
PNK
PNK
BLU
GRN
BLU
VIO
BLU
BLU
WHT
BLU
(OR WHT)
ECU-IG 4
FUSE
ECU-IG 3
FUSE
ECU-IG 1
FUSE
(LEFT END OF DASH)
(LEFT FRONT OF LUGGAGE COMPT)
(CENTER
OF DASH)
(RIGHT
SIDE OF
LUGGAGE
COMPT)
(RIGHT
REAR OF
ENGINE
COMPT)
(LEFT END
OF DASH)
(RIGHT SIDE OF ENGINE COMPT)
W/ HEADLIGHT CONTROL ECU SUB-ASSEMBLY
W/O HEADLIGHT CONTROL ECU SUB-ASSEMBLY
(NOT USED)
(NOT USED)
FROM
IG1 1 RELAY
(DIAGRAM
4 OF 7)
TO R/B ASSEMBLY
(DIAGRAM 2 OF 7)
1
2
1
2
3
4
3
4
5
X
7.5A
10A
INSTRUMENT PANEL J/B ASSEMBLY
J/C 29
(Q28)
J/C 5
(A49)
LEFT
CLEARANCE
LIGHT
ASSEMBLY
RIGHT
REAR
LIGHT
ASSEMBLY
LEFT
REAR
LIGHT
ASSEMBLY
RIGHT
REAR
COMBINATION
LIGHT
ASSEMBLY
LEFT
LICENSE
PLATE
LIGHT
ASSEMBLY
LEFT
REAR
COMBINATION
LIGHT
ASSEMBLY
LEFT
HEADLIGHT
ASSEMBLY
J/C 22
(I134)
RIGHT
CLEARANCE
LIGHT
ASSEMBLY
FOG FR
RELAY
ENGINE
ROOM R/B 2
RIGHT
HEADLIGHT
ASSEMBLY
SPIRAL
CABLE
W/ SENSOR
SUB-
ASSEMBLY
A/C
CONTROL
ASSEMBLY
REFRESHING
SEAT
SWITCH
COMBINATION
SWITCH
ASSEMBLY 2
COMBINATION
SWITCH
ASSEMBLY
TRIP
SWITCH
FOLD SEAT
SWITCH
ASSEMBLY 1
CLOCK
ASSEMBLY
(AIR
CONDITIONING
CONTROL
ASSEMBLY)
OUTER
MIRROR
SWITCH
ASSEMBLY
MULTIPLEX
NETWORK
MASTER
SWITCH
ASSEMBLY
VEHICLE
SOUND
SWITCH
HEADUP
DISPLAY
SWITCH
ASSEMBLY
MAP LIGHT
ASSEMBLY
RIGHT
STEERING
SWITCH
STEERING
PAD SWITCH
RADIO
RECEIVER
ASSEMBLY
LEFT REAR
POWER WINDOW
REGULATOR SWITCH
ASSEMBLY
J/C 26
(I138)
GLOVE BOX
LIGHT
ASSEMBLY
SHIFT
POSITION
INDICATOR
INTEGRATION
CONTROL &
PANEL
ASSEMBLY
MULTI-DISPLAY
ASSEMBLY
MOBILE
WIRELESS
CHARGER
CRADLE
ASSEMBLY
REMOTE
OPERATION
CONTROLLER
ASSEMBLY
RIGHT REAR
POWER WINDOW
REGULATOR SWITCH
ASSEMBLY
DOOR
CONTROL
SWITCH
ASSEMBLY
CONSOLE BOX
ILLUMINATION
LIGHT
ASSEMBLY
POWER WINDOW
REGULATOR
SWITCH
ASSEMBLY
INTEGRATION
CONTROL &
PANEL
ASSEMBLY
I4
13
Z3
5
I153
4
13
14
1
ZQ2
17
ZY3
17
1
2
2
1
1
QP2
10
2
3
1
3
3
15
12
1
UI1
6
KI1
6
2
13
2
2
KI1
7
9
10
2
15
2
16
3
IP3
4
NP1
5
3
18
10
3
LI2
15
3
10
1
7
17
8
11
3
5
7
9
16
8
6
17
4
21
1
18
1
15
7
7
8
10
MI2
3
7
OQ1
20
QI1
3
5
6
10
5
MI2
T6
5
TI3
16
1
2
5
4
6
3
11
19
22
20
15
13
10
C40
C22
A39
A38
A37
B24
B26
C39
B9
A35
B25
RED
PNK
PNK
VIO
VIO
WHT
WHT
WHT
WHT
WHT
GRN
GRN
GRY
PPL/PNK
VIO
GRY
WHT
WHT
WHT
BLK
WHT
VIO
GRY
LT GRN
GRN
GRY
LT GRN
LT GRN
LT BLU
BRN
BRN
VIO
VIO
BLK
BLU
BLU
ORG
BLU
LT BLU
BLK
LT BLU
LT BLU
VIO
WHT
PNK
BLK
WHT
WHT
YEL
BLK
BLK
LT GRN
GRN
BLK
BLU
BLU
RED
RED
GRY
GRY
LT GRN
PNK
PNK
RED
GRY
RED
GRN
WHT
BLU
WHT
RED
LT GRN
ORG
BLK
GRN
GRN
GRN
BLK
GRN
(OR WHT)
TAIL
FUSE
PANEL
FUSE
(LEFT END OF DASH)
(LEFT
SIDE OF
LUGGAGE
COMPT)
(LEFT END
OF DASH)
(CENTER
OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(IN STEERING
COLUMN)
(RIGHT END
OF DASH)
W/ MEMORY
W/O MEMORY
W/ HEADLIGHT BEAM LEVEL
W/O HEADLIGHT BEAM LEVEL
W/ WIRELESS CHARGER
6
W/O WIRELESS CHARGER
(NOT USED)
(NOT USED)
(NOT USED)
(NOT USED)
(NOT USED)
(IF EQUIPPED)
(W/ ASC)
(IF EQUIPPED)
5
6
(W/ NAVIGATION)
(IF EQUIPPED)
FROM TAIL
RELAY
(DIAGRAM
4 OF 7)
1
2
1
2
20A
Y
30A
25A
S
L
10A
50A
30A
50A
30A
K
15A
30A
15A
ENGINE
ROOM R/B 2
PTC HTR 1
RELAY
PTC HTR 2
RELAY
PTC HTR 3
RELAY
ENGINE ROOM R/B 2
RR S-HTR
RELAY
R/B ASSEMBLY
BLOWER MOTOR
W/ FAN
SUB-ASSEMBLY
J/C 8
(I74)
J/C 4
(A48)
STEREO
COMPONENT
EQUALIZER
ASSEMBLY
A/C
AMPLIFIER
ASSEMBLY
A/C
CONTROL
ASSEMBLY
TIRE PRESSURE
WARNING ECU &
RECEIVER
(ELECTRICAL KEY &
TIRE PRESSURE
MONITORING SYSTEM
RECEIVER ASSEMBLY)
NETWORK
GATEWAY ECU
PARKING
BRAKE ECU
ASSEMBLY
MULTIPLEX NETWORK
MASTER SWITCH
ASSEMBLY
PARKING
ASSIST ECU
S-HORN RELAY
ENGINE ROOM R/B 2
ENGINE
ROOM R/B 1
SHORT
CONNECTOR
I63 & r1
EFI-MAIN
3 RELAY
ST RELAY
H-LP LH/
DIMMER (HI)
RELAY
EFI-MAIN
2 RELAY
FUEL LID
RELAY
R/B ASSEMBLY
D D/UL
RELAY
D/UL
RELAY
D/L
RELAY
ENGINE ROOM R/B 1
INSTRUMENT PANEL J/B ASSEMBLY
15
7
Q24
P45
I50
1
5
C11
C10
r1
I63
11
11
5
5
AI5
18
IP6
14
3
1
15
3
IQ2
3
IP3
11
7
21
1
5
AI9
2
3
3
3
3
5
5
5
5
1
5
MI4
5
11
20
16
12
19
22
17
13
18
14
19
2
AI15
20
1
2
BLU
BLU
RED
RED
BLK
BLK
RED
RED
RED
RED
BLK
RED
RED
RED
BLK
(OR BLK)
WHT
BLU
RED
BLK
RED
RED
BLU
LT GRN
BLK
BLU
GRY
BLU
BLK
WHT
WHT
WHT
WHT
BLK
BLK
LT BLU
LT GRN
WHT
BLU
WHT/BLK
WHT
RED
BLK
RED
BLK
LT BLU
GRY
LT GRN
LT BLU
RED
WHT/BLK
WHT
BLK
WHT
WHT
WHT/BLK
BLU
RED
BLU
BLK
CAPACITOR
FUSE
HTR
FUSE
RR S-HTR
FUSE
PTC
HTR 2
FUSE
PTC
HTR 3
FUSE
PTC
HTR 1
FUSE
WIRING HARNESS
CONDENSER
ASSEMBLY 1
H-LP MAIN
LH/H-LP
MAIN HI
FUSE
D/L 1
FUSE
EFI-
MAIN 3
FUSE
ST 1
FUSE
EFI-
MAIN 2
FUSE
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT SIDE OF
ENGINE COMPT)
(RIGHT FRONT
CORNER OF
ENGINE
COMPT)
(RIGHT SIDE OF ENGINE COMPT)
(UPPER CENTER OF DASH)
(UPPER
LEFT END
OF DASH)
(UPPER
RIGHT END
OF DASH)
(RIGHT SIDE OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(UNDER CENTER
CONSOLE)
(LEFT SIDE OF ENGINE COMPT)
(UPPER CENTER OF DASH)
(LEFT END OF DASH)
(IF EQUIPPED)
W/ LEXUS ENFORM
W/O LEXUS ENFORM
AF
FROM FAN 2
FUSE
(DIAGRAM
2 OF 7)
TO IG1 FUSE
(DIAGRAM
3 OF 7)
FROM
ENGINE ROOM R/B 2
(DIAGRAM 1 OF 7)
FROM H-LP
MAIN
RH/H-LP
MAIN LO
FUSE
(DIAGRAM
1 OF 7)