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Is350
·
2019 Lexus IS350
·
Wiring
Wiring diagram
2019 Lexus IS350 — power distribution
Sheets
8
Labels
1603
Power distribution
Sheet 1
of 8
Sheet 2
of 8
Sheet 3
of 8
Sheet 4
of 8
Sheet 5
of 8
Sheet 6
of 8
Sheet 7
of 8
Sheet 8
of 8
1
2
1
2
30A
5A
U
SS1
SS2
+B
IG1D
AGND
ACCD
SSW2
SSW1
M
J
50A
Q
P
50A
K
H
E
B
15A
15A
30A
80A
50A
100A
80A
50A
30A
120A
50A
80A
80A
50A
120A
150A
50A
ENGINE ROOM
J/B 1 ASSEMBLY
GENERATOR
ASSEMBLY
ENGINE ROOM R/B 1 ASSEMBLY
BLOWER
MOTOR
W/ FAN
SUB-
ASSEMBLY
PTC HTR 1
RELAY
PTC HTR 2
RELAY
ENGINE ROOM
R/B 3
BRAKE ACTUATOR
ASSEMBLY
FAN 2
RELAY
STARTER
ASSEMBLY
H-LP RH
RELAY
EPS RELAY
ENGINE ROOM
R/B 1 ASSEMBLY
ENGINE
ROOM J/B 2
ASSEMBLY
SEMICONDUCTOR
POWER
INTEGRATION
ECU
ENGINE
ROOM R/B 2
ASSEMBLY
ENGINE SWITCH
MIR HTR
RELAY
CERTIFICATION ECU
STRG
HTR RELAY
ENGINE ROOM
R/B 3
FAN
RELAY
ENGINE ROOM
R/B 2 ASSEMBLY
HEADLIGHT
CLEANER
MOTOR &
PUMP
ASSEMBLY
ENGINE ROOM
R/B 1 ASSEMBLY
5
1
5
1
6
1
5
K6
10
3
A13
9
12
16
18
1A
5
3
2
3
3
38
13
3
3
3
I1
H1
1E
A1
1G
1B
1D
1C
BLK
BLK
BLU
BLU
BLK
BLK
BLK
BLK
BLK
GRY
GRY
BLK
BLK
BLU
BLK
RED
WHT
LT GRN
BLU
GRY
ORG
GRY
BLU
LT GRN
PNK
VIO
BLK
BLK
BLK
BLK
BLU
BLK
BLK
BLK
GRN
RED
BLK
RED
BLK
WHT
BLK
WHT
RED
BLK
GRY
BLK/
BLK
BLK
BLK
BLK
RED
BLK
J/B
LH-AM
FUSE
ALT
FUSE
ENG-AM
FUSE
P/I-B
FUSE
H-LP
MAIN
RH
FUSE
PTC
HTR 1
FUSE
PTC
HTR 2
FUSE
J/B
LH-B
FUSE
FAN 2
FUSE
EPS
FUSE
ABS 2
FUSE
EPS-B
FUSE
ENG-B
FUSE
ABS 1
FUSE
HTR
FUSE
P/I-AM
FUSE
BATTERY
H-LP
CLN
FUSE
MIR
HTR
FUSE
STRG
HTR
FUSE
FAN 1
FUSE
FAN
FUSE
(RIGHT REAR
OF ENGINE
COMPT)
(RIGHT REAR OF ENGINE COMPT)
(RIGHT
REAR OF
ENGINE
COMPT)
(LEFT REAR OF
ENGINE COMPT)
(RIGHT REAR
OF ENGINE COMPT)
(LEFT SIDE
OF ENGINE
COMPT)
(LEFT SIDE
OF ENGINE
COMPT)
(LEFT REAR OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(RIGHT REAR
OF ENGINE COMPT)
2.0L TURBO
3.5L
(2.0L
TURBO)
(W/ COLD
AREA)
(W/ COLD
AREA)
(W/O ADAPTIVE
HEADLAMPS)
W/ ADAPTIVE HEADLAMPS
W/O ADAPTIVE HEADLAMPS
2.0L
TURBO
3.5L
(W/O
MEMORY)
XA
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
7 OF 8)
TO ENGINE
ROOM J/B 2
ASSEMBLY
(DIAGRAM
3 OF 8)
TO
ST 1
FUSE
(DIAGRAM
2 OF 8)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
5 OF 8)
TO
STOP
FUSE
(DIAGRAM
2 OF 8)
TO
NOISE
FILTER FUSE
(DIAGRAM
3 OF 8)
TO INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 7 OF 8)
TO INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 7 OF 8)
FROM INSTRUMENT
PANEL J/B ASSEMBLY
(DIAGRAM 5 OF 8)
10A
30A
Q
5A
15A
10A
10A
20A
5A
30A
P
40A
30A
5A
20A
ENGINE ROOM
R/B 1 ASSEMBLY
FRONT
STEERING
CONTROL
ECU
H-LP LH
RELAY
EPS
RELAY
ENGINE ROOM R/B 1 ASSEMBLY
INSTRUMENT
PANEL J/B
ASSEMBLY
ENGINE
ROOM R/B 2
ASSEMBLY
EFI MAIN 2 RELAY
ST 1 RELAY
INJ
RELAY
HORN RELAY
S-HORN
RELAY
THEFT
WARNING
SIREN
ASSEMBLY
DCM
(TELEMATICS
TRANSCEIVER)
LEFT OUTER
MIRROR
CONTROL ECU
ASSEMBLY
CERTIFICATION
ECU
ECM
STOP LIGHT
SWITCH
ASSEMBLY
ENGINE ROOM R/B 2 ASSEMBLY
OPTION
CONNECTOR
MAP
LIGHT
ASSEMBLY
STEREO
COMPONENT
EQUALIZER
ASSEMBLY
NETWORK
GATEWAY
ECU
MULTIPLEX
TILT &
TELESCOPIC
ECU
COMBINATION
METER
ASSEMBLY
STEERING
SENSOR
CLOCK
ASSEMBLY
RIGHT
OUTER
MIRROR
CONTROL
ECU ASSEMBLY
LEFT FRONT
POWER SEAT
SWITCH
5
18
AQ1
8
5
NQ1
26
D32
N24
6
C32
B30
C31
4
A13
1
3
KS1
6
S3
2
KP1
49
AF2
18
1
F78
48
8
A106
5
5
AP1
4
3
1
3
KA1
11
K66
1
5
1
5
1
A60
2
1
1
1
22
K3
26
NP1
6
N9
KQ1
Qb1
58
3
b12
12
9
BLU
WHT
BLK/
RED
LT GRN
LT GRN
LT GRN
WHT
BLU
BLU
LT GRN
LT GRN
LT GRN
LT GRN
BLK
BLK
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
GRY
GRY
PNK
WHT
WHT
WHT
PNK
BLK
BLK
GRY
PNK
WHT
BLK
WHT
PNK
BLK
WHT
GRY
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
PNK
LT GRN
BLU
H-LP
MAIN LH
FUSE
D/C
CUT
FUSE
FUEL
PMP
FUSE
ST 1
FUSE
EPS-B
FUSE
VGRS
FUSE
MPX-B 1
FUSE
HORN
FUSE
INJ
FUSE
S-HORN
FUSE
DCM
FUSE
STOP
FUSE
ETCS
FUSE
(RIGHT REAR OF
ENGINE COMPT)
(RIGHT REAR OF ENGINE COMPT)
(LEFT END
OF DASH)
(LEFT SIDE
OF ENGINE
COMPT)
(LEFT SIDE OF ENGINE COMPT)
(W/O ADAPTIVE
HEADLAMPS)
2.0L
TURBO
2.0L
TURBO
3.5L
(IF EQUIPPED)
(IF EQUIPPED)
(W/ MEMORY)
W/O VGRS
W/ VGRS
(W/ MEMORY)
(W/ MEMORY)
FROM
J/B LH-B
FUSE
(DIAGRAM
1 OF 8)
FROM ENGINE
ROOM R/B 2
ASSEMBLY
(DIAGRAM
1 OF 8)
E
T
20A
40A
10A
D
F
G
10A
15A
25A
15A
15A
20A
5A
5A
25A
5A
20A
10A
B
ENGINE ROOM R/B 2 ASSEMBLY
J/C 1
(A69)
POWER STEERING
ECU ASSEMBLY
ABSORBER
CONTROL ECU
GROUND
J/C 1 (A73)
MILLIMETER
WAVE RADAR
SENSOR
ASSEMBLY
WINDSHIELD
WASHER
MOTOR &
PUMP
ASSEMBLY
FAN 2
RELAY
ENGINE ROOM
R/B 1 ASSEMBLY
INT
RELAY
FAN
RELAY
WIPER RELAY
ENGINE ROOM R/B 2 ASSEMBLY
WINDSHIELD WIPER
MOTOR ASSEMBLY
ENGINE ROOM
J/B 2 ASSEMBLY
SEMICONDUCTOR POWER
INTEGRATION ECU
EFI-MAIN
RELAY
H-LP LH-LO
RELAY
H-LP RH-LO
RELAY
A/F
RELAY
IGNITION
COIL
ASSEMBLY 1
IGNITION
COIL
ASSEMBLY 3
IGNITION
COIL
ASSEMBLY 2
IGNITION
COIL
ASSEMBLY 5
IGNITION
COIL
ASSEMBLY 6
IGNITION
COIL
ASSEMBLY 4
ECM
17
11
AF2
AF2
B1
1
16
BA1
8
1
5
2
1
2
14
A19
8
KA1
3
K39
1
1
1
1
1
1
1
A91
1
A106
1
D11
17
18
F2
G4
F4
E1
1
3
5
2
3
1
2
RED
(OR BLK)
BLK
BLU
(OR BLK)
RED
RED
GRN
GRN
BLU
WHT
RED
RED
RED
BLK
BLK
GRN
GRN
RED
(OR BLK)
RED
BLK
BLK
BLK
(OR BLK)
RED
GRN
GRN
BLU
BLK
BLK
GRN
GRN
BLU
GRN
BLK
LT GRN
WHT
BLU
RED
WHT/
BLK
BLK
WHT/
RED
WHT/
BLK
BLK
WHT/
GRN
IG1 MAIN
RELAY
NOISE
FILTER
FUSE
IG1-MAIN
FUSE
RADAR IG
FUSE
EPS-IG
FUSE
WIPER
FUSE
ENG-IG 2
FUSE
ENG-IG 1
FUSE
AVS
FUSE
WASHER
FUSE
WIRING
HARNESS
CONDENSER
ASSEMBLY 1
H-LP
RH-LO
FUSE
H-LP
LH-LO
FUSE
IG2-MAIN
FUSE
A/F
FUSE
EFI-MAIN
FUSE
IG2
RELAY
IG2
FUSE
(LEFT SIDE OF ENGINE COMPT)
(LEFT
SIDE OF
ENGINE
COMPT)
(RIGHT REAR OF
ENGINE COMPT)
(LEFT REAR OF
ENGINE COMPT)
(RIGHT REAR OF
ENGINE COMPT)
(LEFT SIDE OF ENGINE COMPT)
(RIGHT REAR
OF ENGINE COMPT)
(LEFT SIDE
OF ENGINE
COMPT)
2.0L
TURBO
3.5L
2.0L
TURBO
2.0L TURBO
3.5L
(3.5L)
(3.5L)
AC
AE
FROM
H-LP CLN
FUSE
(DIAGRAM
1 OF 8)
FROM
INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
7 OF 8)
TO P INJ FUSE
(DIAGRAM
4 OF 8)
FROM ENGINE
ROOM J/B 1
ASSEMBLY
(DIAGRAM
1 OF 8)
TO INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
4 OF 8)
FROM
INSTRUMENT
PANEL J/B
ASSEMBLY
(DIAGRAM
7 OF 8)
L
10A
10A
G
C
7.5A
7.5A
7.5A
7.5A
T
30A
10A
INSTRUMENT PANEL J/B ASSEMBLY
NETWORK
GATEWAY
ECU
OCCUPANT
DETECTION
ECU
ECM
STEERING
LOCK
ACTUATOR
ASSEMBLY
AIR BAG
ECU
ASSEMBLY
COMBINATION
METER
ASSEMBLY
STOP
LIGHT
SWITCH
ASSEMBLY
DCM
(TELEMATICS
TRANSCEIVER)
YAW
RATE
SENSOR
4WD
ECU
ASSEMBLY
SHIFT LOCK
CONTROL ECU
(TRANSMISSION
FLOOR SHIFT
ASSEMBLY)
FRONT
STEERING
CONTROL
ECU
BRAKE
ACTUATOR
ASSEMBLY
ENGINE ROOM
J/B 2 ASSEMBLY
INSTRUMENT
PANEL J/B
ASSEMBLY
L/D DOOR UNLOCK
RELAY
FUEL LOCK
RELAY
ALL DOOR LOCK
RELAY
D DR UNLOCK
RELAY
FUEL
INJECTOR
ASSEMBLY 4
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 2
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 3
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 1
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 5
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 6
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 1
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 3
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 4
(FOR PORT
INJECTION)
FUEL
INJECTOR
ASSEMBLY 2
(FOR PORT
INJECTION)
12
3
4
4
K17
5
C13
C12
A35
A42
C2
C9
A53
A27
A8
A28
C19
A43
A44
31
KP1
6
A91
6
Pa2
4
A106
K66
7
21
K51
12
K3
21
6
6
a14
5
1
1
1
1
FJ1
5
AF2
3
6
AF2
4
FW3
2
8
FI3
3
8
4
1
1
1
1
1
1
G3
LT BLU
GRN
GRN
RED
RED
GRN
GRN
LT BLU
RED
WHT
BLK
BLK
WHT
BLK
LT BLU
BLK
GRN
BLK
BLK
BLK
LT BLU
WHT
BLK
BLK
BLK
BLK
GRN
YEL
BLK
YEL
YEL
YEL
YEL
(OR YEL)
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
PNK
BLK
BLK
WHT
GRN
BLK
BLK
A/BAG-IG2
FUSE
METER
FUSE
IGN 2
FUSE
IGN 1
FUSE
IG1 2
FUSE
IG1 1
FUSE
D/L
FUSE
P INJ
FUSE
(LEFT END OF DASH)
(LEFT SIDE
OF ENGINE
COMPT)
(LEFT END
OF DASH)
2.0L
TURBO
3.5L
(W/ VGRS)
2.0L
TURBO
3.5L
2.0L
TURBO
3.5L
2.0L TURBO
FROM
IG1 2 RELAY
(DIAGRAM
7 OF 8)
FROM ENGINE
ROOM J/B 2
ASSEMBLY
(DIAGRAM
3 OF 8)
FROM
RADIO FUSE
(DIAGRAM
5 OF 8)
FROM
IG2 RELAY
(DIAGRAM 3 OF 8)
2
1
1
2
7.5A
30A
30A
H
U
C
N
10A
30A
30A
20A
7.5A
30A
30A
15A
10A
10A
5A
15A
15A
7.5A
20A
5A
5A
20A
30A
7.5A
INSTRUMENT PANEL J/B ASSEMBLY
MAIN BODY
ECU
DOME CUT
RELAY
STEREO COMPONENT
AMPLIFIER ASSEMBLY
ID CODE
BOX
FRONT
STEERING
CONTROL
ECU
COMBINATION
METER
ASSEMBLY
OCCUPANT
DETECTION
ECU
RADIO
RECEIVER
ASSEMBLY
MULTI-DISPLAY
ASSEMBLY
STEERING
LOCK
ACTUATOR
ASSEMBLY
REMOTE
OPERATION
SWITCH
LEFT FRONT
DOOR INSIDE
HANDLE
ILLUMINATION
LIGHT
ASSEMBLY
RIGHT FRONT
DOOR INSIDE
HANDLE
ILLUMINATION
LIGHT
ASSEMBLY
INSTRUMENT
PANEL J/B
ASSEMBLY
J/C 7
(N30)
DATA LINK
CONNECTOR 3
A/C
AMPLIFIER
ASSEMBLY
LEFT REAR
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
REAR
SUNSHADE
RELAY
(REAR
WINDOW
SHADE
ASSEMBLY)
MULTIPLEX
TILT &
TELESCOPIC
ECU
RIGHT
FRONT
POWER
SEAT
SWITCH
RIGHT FRONT
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
RIGHT
OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
RIGHT REAR
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
TIRE PRESSURE
WARNING ECU &
RECEIVER
(DOOR CONTROL &
TIRE PRESSURE
MONITORING SYSTEM
RECEIVER ASSEMBLY)
SLIDING
ROOF
CONTROL ECU
(SLIDING ROOF
GEAR
SUB-ASSEMBLY)
MULTIPLEX NETWORK
MASTER SWITCH
ASSEMBLY
LEFT FRONT
POWER
SEAT SWITCH
7
b11
D20
8
7
B8
OP1
15
2
2
OQ1
24
D3
NP1
KP1
40
D27
NQ1
37
1
1
40
B15
17
K58
F1
18
NQ1
KQ1
20
5
11
21
9
7
6
K17
7
6
PQ1
12
16
P23
1
K61
12
K70
4
1
1
K4
7
1
a14
31
KP1
5
Pa2
1
2
16
7
2
6
2
3
NP1
1
N9
14
KP1
10
Pa1
1
13
31
D30
A15
A31
A11
A13
A14
A1
D4
D5
A56
A32
A21
A30
A50
A10
A3
A22
A19
KS1
14
8
1
Qb1
8
K10
6
A55
A12
D13
BLK
BLK
BLU
RED
RED
RED
BLK
BLK
BLK
BLK
WHT
BLK
BLK
BLU
LT BLU
BLK
BLK
LT GRN
LT GRN
LT GRN
LT GRN
LT GRN
BLU
ORG
LT BLU
VIO
VIO
VIO
GRN
GRN
VIO
WHT
GRN
YEL
YEL
BLK
BLK
LT GRN
WHT
YEL
VIO
LT GRN
BLK
BLU
VIO
ORG
LT BLU
BLK
GRN
GRN
LT BLU
BLU
GRN
ORG
VIO
WHT
VIO
BLU
BLU
STRG
LOCK
FUSE
AMP 2
FUSE
J/B-B
FUSE
SMART
FUSE
AM2
FUSE
AMP 1
FUSE
HAZ
FUSE
ECU-B
FUSE
RADIO
FUSE
ODS
FUSE
DOME
FUSE
DOOR
F/R
FUSE
P/SEAT
F/R
FUSE
DOOR
R/R
FUSE
SHADE
RR
FUSE
DOOR
R/L
FUSE
A/C
FUSE
P/SEAT
F/L
FUSE
P/W
FUSE
TI & TE
FUSE
S/ROOF
FUSE
OBD
FUSE
J/B-AM
FUSE
(LEFT END OF DASH)
(LEFT END
OF DASH)
(DRIVER'S
DOOR)
(NOT
USED)
(W/
NAVIGATION)
(W/ VGRS)
W/ NAVIGATION
W/O NAVIGATION
(NOT
USED)
W/ MEMORY
W/O MEMORY
W/ MEMORY
W/O MEMORY
(W/
MEMORY)
TO
D/L FUSE
(DIAGRAM
4 OF 8)
TO
CERTIFICATION
ECU
(DIAGRAM
1 OF 8)
FROM ENGINE
ROOM R/B 1
ASSEMBLY
(DIAGRAM
1 OF 8)
FROM
DOOR F/L
FUSE
(DIAGRAM
7 OF 8)
1
2
1
2
5A
R
10A
10A
INSTRUMENT PANEL J/B ASSEMBLY
MAIN
BODY
ECU
J/C 1
(A69)
PTC HTR 2
RELAY
PTC HTR 1
RELAY
ENGINE ROOM R/B 3
HEADLIGHT
SWIVEL
ECU
ASSEMBLY
TIRE PRESSURE
WARNING ECU &
RECEIVER
(DOOR CONTROL &
TIRE PRESSURE
MONITORING SYSTEM
RECEIVER ASSEMBLY)
A/C
AMPLIFIER
ASSEMBLY
STEERING
SENSOR
VEHICLE
SOUND
SWITCH
REAR
SUNSHADE
RELAY
(REAR WINDOW
SHADE
ASSEMBLY)
RIGHT
FRONT
SEAT
OUTER
BELT
ASSEMBLY
LEFT
FRONT
SEAT
OUTER
BELT
ASSEMBLY
MULTIPLEX
TILT &
TELESCOPIC
ECU
STEREO
COMPONENT
EQUALIZER
ASSEMBLY
CLEARANCE
WARNING
ECU
ASSEMBLY
RIGHT
OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
LEFT FRONT
POWER
SEAT
SWITCH
LEFT
OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
J/C 1
(A69)
WINDSHIELD
WIPER
SWITCH
ASSEMBLY
REFRESHING
SEAT
SWITCH
SKID
CONTROL
BUZZER
ASSEMBLY
OUTER
MIRROR
HEATER
SWITCH
ASSEMBLY
RADIO
RECEIVER
ASSEMBLY
TRANSMISSION
CONTROL
SWITCH
(TRANSMISSION
FLOOR SHIFT
ASSEMBLY)
INNER
REAR VIEW
MIRROR
ASSEMBLY
A/C
CONTROL
ASSEMBLY
DIODE
(PARK/
NEUTRAL
POSITION
SWITCH
ASSEMBLY)
FORWARD
RECOGNITION
CAMERA
FORWARD
RECOGNITION
W/ HEATER
HOOD
SUB-ASSEMBLY
BACK SONAR/
CLEARANCE
SONAR SWITCH
ASSEMBLY
MAP LIGHT
ASSEMBLY
STRG
HTR RELAY
ENGINE ROOM
R/B 3
15
14
A33
K24
2
1
K72
K58
PQ2
2
P11
1
Q20
1
1
27
5
N24
NQ1
4
Qb1
b12
3
14
13
12
2
2
11
8
4
7
N9
63
KP1
NP1
27
5
K10
10
5
12
1
4
15
3
8
2
1
8
1
7
1
1
6
32
D34
A54
C3
C23
17
KS1
3
8
10
11
C10
B32
A52
(OR BLK)
BLK
BLK
RED
RED
PNK
PNK
VIO
VIO
GRY
BLK
BLK
BLK
BLK
BLK
BLK
BLK
RED
BLK
BLK
RED
RED
RED
BLK
RED
RED
RED
RED
RED
RED
GRY
GRY
PNK
PNK
PNK
PNK
PNK
PNK
PNK
BLK
RED
BLK
VIO
PNK
VIO
VIO
VIO
GRY
GRY
GRY
PNK
ECU-IG1 1
FUSE
IG1 3
FUSE
WIPER
SW-IG
FUSE
(LEFT END OF DASH)
(LEFT
SIDE OF
ENGINE
COMPT)
(LEFT REAR OF ENGINE COMPT)
(LEFT
SIDE OF
ENGINE
COMPT)
(LEFT REAR OF
ENGINE COMPT)
(NOT
USED)
(W/ COLD AREA)
(W/ COLD AREA)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
(W/ MEMORY)
(W/ MEMORY)
W/ NAVIGATION
W/O NAVIGATION
(W/ PRE-COLLISION
SYSTEM)
FROM
IG1 3 RELAY
(DIAGRAM
7 OF 8)
1
2
2
1
2
1
2
1
1
2
3
4
4
3
4
3
5
5
W/O ADAPTIVE FRONT LIGHTING SYSTEM
W/O NAVIGATION
W/ NAVIGATION
S
L
W/O CLIMATE CONTROL SEAT
W/ CLIMATE CONTROL SEAT
R
J
F
D
M
E
B
N
K
15A
7.5A
30A
7.5A
10A
15A
15A
INSTRUMENT PANEL J/B ASSEMBLY
BKUP LP
RELAY
NETWORK
GATEWAY
ECU
REAR
CROSS
TRAFFIC
ALERT
BUZZER
(BLIND SPOT
MONITOR
BUZZER)
BLIND
SPOT
MONITOR
MAIN
SWITCH
(WARNING
CANCELING
SWITCH
ASSEMBLY)
J/C 12
(b7)
J/C 11
(a9)
RIGHT
HEADLIGHT
CONTROL ECU
(RIGHT
HEADLIGHT
ASSEMBLY)
HEADLIGHT
SWIVEL
ECU
ASSEMBLY
HEADLIGHT
CLEANER
CONTROL
RELAY
LEFT
BLIND
SPOT
MONITOR
SENSOR
LEFT
HEADLIGHT
CONTROL ECU
(LEFT HEADLIGHT
ASSEMBLY)
RIGHT
BLIND
SPOT
MONITOR
SENSOR
DRIVING
SUPPORT
ECU
ASSEMBLY
TIRE
PRESSURE
MONITOR
INITIATOR
DRIVER
RIGHT SEAT
CUSHION
CLIMATE
CONTROL
BLOWER
ASSEMBLY
LEFT SEAT
HEATER
ASSEMBLY
(LEFT SEPARATE
TYPE FRONT SEAT
BACK COVER)
LEFT SEAT
CUSHION
CLIMATE
CONTROL
BLOWER
ASSEMBLY
RIGHT SEAT
HEATER
ASSEMBLY
(RIGHT SEPARATE
TYPE FRONT SEAT
BACK COVER)
MAIN
BODY ECU
DIODE
(PARK/
NEUTRAL
POSITION
SWITCH
ASSEMBLY)
LEFT OUTER
MIRROR
CONTROL
ECU
ASSEMBLY
LEFT FRONT
POWER
WINDOW
REGULATOR
MOTOR
ASSEMBLY
NETWORK
GATEWAY
ECU
CLOCK
ASSEMBLY
MULTI-
DISPLAY
ASSEMBLY
RADIO
RECEIVER
ASSEMBLY
STEREO
COMPONENT
AMPLIFIER
ASSEMBLY
GLOW
BOX
LIGHT
ASSEMBLY
REMOTE
OPERATION
SWITCH
DCM
(TELEMATICS
TRANSCEIVER)
15
3
Aq1
3
Ar1
14
K70
3
A40
2
KP1
45
12
P24
30
N24
11
4
5
11
1
2
1
5
4
11
K58
16
24
K61
K66
8
2
KK1
5
2
2
6
2
14
3
NQ1
1
5
5
3
8
8
MK1
17
7
4
4
1
Qb1
6
KP3
1
Pa1
6
2
C17
D29
C21
D14
D15
B13
B12
D21
C20
3
1
B1
C11
B19
B7
A49
C22
E1
D6
A16
BLK
BLK
BLK
BLK
LT GRN
LT GRN
(OR GRN)
(OR GRN)
RED
ORG
ORG
YEL
YEL
BLK
GRN
GRN
GRN
LT GRN
GRN
LT GRN
LT GRN
GRN
GRN
GRN
GRN
ORG
ORG
ORG
ORG
RED
BLU
RED
GRN
GRN
YEL
YEL
YEL
BLK
BLK
BLK
BLK
BLK
BLK
BLK
LT GRN
RED
GRN
BLK
RED
RED
WHT
YEL
ORG
GRN
BLK
BLK
BLU
BLK
WHT/
BLK
WHT/
BLK
LT GRN
VIO
PNK
BLK
WHT/
BLK
WHT/
BLK
IG1 1
RELAY
IG1 2
RELAY
IG1 3
RELAY
ECU-IG1 2
FUSE
BKUP LP
FUSE
S/HTR F/L
FUSE
S/HTR F/R
FUSE
ECU-ACC
FUSE
P/OUTLET 1
FUSE
DOOR
F/L
FUSE
ACC
RELAY
P/OUTLET
RELAY
POWER
OUTLET
SOCKET
ASSEMBLY
(LEFT END OF DASH)
(UNDER
DRIVER'S
SEAT)
(UNDER FRONT
PASSENGER'S
SEAT)
(RIGHT
KICK
PANEL)
(LEFT KICK
PANEL)
(NOT
USED)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
(NOT
USED)
(W/ LEXUS DISPLAY
AUDIO SYSTEM)
(W/ MEMORY)
KC
KA
FROM
CERTIFICATION
ECU
(DIAGRAM
1 OF 8)
TO ENGINE
ROOM J/B 2
ASSEMBLY
(DIAGRAM
3 OF 8)
TO ENGINE
ROOM R/B 2
ASSEMBLY
(DIAGRAM 3 OF 8)
FROM ENGINE
ROOM J/B 1
ASSEMBLY
(DIAGRAM 1 OF 8)
ECU-IG1 1
FUSE
(DIAGRAM
6 OF 8)
TO IG1 1
FUSE
(DIAGRAM
4 OF 8)
TO
TRUNK OPN
(DIAGRAM
8 OF 8)
TO
TI & TE
FUSE
(DIAGRAM
5 OF 8)
FROM
CERTIFICATION
ECU
(DIAGRAM
1 OF 8)
7.5A
S
7.5A
15A
INSTRUMENT
PANEL J/B
ASSEMBLY
MAIN
BODY ECU
TRUNK OPN
RELAY
SEMICONDUCTOR
POWER
INTEGRATION
ECU
ENGINE
ROOM J/B 2
ASSEMBLY
LEFT
HEADLIGHT
ASSEMBLY
LEFT
REAR
LIGHT
ASSEMBLY
RIGHT
CLEARANCE
LIGHT
ASSEMBLY
LEFT
REAR
COMBINATION
LIGHT
ASSEMBLY
LEFT
CLEARANCE
LIGHT
ASSEMBLY
RIGHT
LICENSE
PLATE
LIGHT
ASSEMBLY
RIGHT
HEADLIGHT
ASSEMBLY
RIGHT
REAR
COMBINATION
LIGHT
ASSEMBLY
RIGHT
REAR
LIGHT
ASSEMBLY
SPIRAL
CABLE
W/ SENSOR
SUB-ASSEMBLY
MULTIPLEX
NETWORK
MASTER
SWITCH
ASSEMBLY
BLIND SPOT
MONITOR
MAIN SWITCH
(WARNING
CANCELING
SWITCH
ASSEMBLY)
BACK
SONAR/
CLEARANCE
SONAR SWITCH
ASSEMBLY
VEHICLE
SOUND
SWITCH
OUTER
MIRROR
HEATER
SWITCH
ASSEMBLY
REAR
SUNSHADE
SWITCH
ASSEMBLY
TRIP
SWITCH
LUGGAGE
DOOR
OPENING
SWITCH
ASSEMBLY
AUTO
HIGH
BEAM
SWITCH
MAP
LIGHT
ASSEMBLY
STEERING
PAD
SWITCH
ASSEMBLY
MULTI-
DISPLAY
ASSEMBLY
A/C
CONTROL
ASSEMBLY
SHIFT
POSITION
INDICATOR
REMOTE
OPERATION
SWITCH
RADIO
RECEIVER
ASSEMBLY
REFRESHING
SEAT
SWITCH
RIGHT FRONT
POWER WINDOW
REGULATOR
SWITCH
ASSEMBLY
COMBINATION
SWITCH
ASSEMBLY
CLOCK
ASSEMBLY
A34
8
A2
8
1
9
K58
14
3
8
14
3
NQ1
28
8
KP1
47
NP1
28
1
K70
10
5
10
K61
4
KK1
3
6
2
16
3
7
3
3
K26
13
z4
5
7
10
S3
KS2
17
16
1
1
1
3
3
E4
2
2
A23
D28
A39
C5
D19
BLK
BLK
GRN
GRN
BLU
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
BLU
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
GRN
VIO
VIO
VIO
VIO
VIO
BLK
BLK
BLK
GRN
VIO
BLK
GRN
TRUNK
OPN
FUSE
TAIL
RELAY
PANEL
FUSE
TAIL
FUSE
(LEFT END
OF DASH)
(LEFT SIDE OF
ENGINE COMPT)
(IN STEERING
COLUMN)
(NOT
USED)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
(W/
ADAPTIVE
FRONT
LIGHTING
SYSTEM)
W/ MEMORY
W/O MEMORY
(IF
EQUIPPED)
(IF
EQUIPPED)
(W/
PARKING
ASSIST)
(IF
EQUIPPED)
(IF EQUIPPED)
W/ NAVIGATION
W/O NAVIGATION
W/ NAVIGATION
W/O NAVIGATION
(W/
NAVIGATION)
FROM DOOR F/L FUSE
(DIAGRAM
7 OF 8)