Interior Light

(IG) (BAT) (BAT) (BAT)

7. 5A 10A 7. 5A 7. 5A
GAUGE DOME SECURITY MPX–B2

5
1 DE 13 PE 8 DF 16 PE MPX–B

L–Y
Y

G–W
L–Y

H P 4(A), P 5(B), P 6(C)

J16(A), J17(B)

D B Passenger Side
A J/B ECU
Connector
Junction

G–W
H
A
B A
J12(A)
Junction
Connector

R 18 BG3 18 BF2
L–Y
Y

R
R

R
1 12 13 2 2

Step Light Rear RH

Step Light Rear LH

8 IC4 6 IG3
R

S51

S50
C A
J16(A), J17(B)
Connector 1 1
Junction

V
NUM
Door

C B C B
19 BG3 19 BF2
V

Y
CPU
6 IG4 16 IC4
R

R
V

V
ODO/ Multi–
TRIP Display F A F A E A F A B A B A

11 C12 2 3 22
Combination
Meter
GR–B

GR–B

D B
W–B

W–B

J10(A), J11(B)
Junction
Connector
V

6 PF

15 PF

GR–B
W–B

GR–B

II IH

-1-
 Interior Light

P 4(A), P 5(B), P 6(C)

Passenger Side J/B ECU

CSPT FSPT ILE RCTY LCTY

5 B 7 B 9 B 16 B 15 B

6
G–W G–W G–W
II1

B
5
R R R R
II2
V–W
W–L

11 II1 10 II1

G–W
R

R
V–W

V–G

Y–G
7 II1 6 17 13 1 3
CTY +B1 +B2

Interior Light Rear RH

Interior Light Rear LH

Overhead J/B
W–L

DOOR

DOOR
LED GND GND3

OFF

OFF
O6

ON

ON
4 1 5
I25

I24
2 II2 3 2 1 2
W–B

W–B

W–B

W–B
W–L

V–G

Y–G
V–W
R

W–B W–B W–B

J10(A), J11(B)
Junction
Connector E A D A F A D A

H B A B A B H B H B B B
V–W
R

R
V

1 2 2 1 6
Step Light Front RH
Step Light Front LH

Cylinder Light

Transponder Key
Ignition Key

Amplifier
S17

S18

T8

GR–B GR–B

GR–B GR–B

-2-
 V8

R
Vanity Light Front LH

W–B

GR–B
GR–B
2
1
W–B R

V9

W–B
Vanity Light Front RH

5
2
1
W–B W–B W–B R

II
II1
R
V16
Vanity Light Rear LH

W–B

W–B
1
2
W–B R

V17

W–B
Vanity Light Rear RH

1
2
W–B W–B R

A24
Airbag Sensor
Assembly

-3-
Interior Light

13
22
GR–B R–L R–L

13 DF
2 PH

3 DH
P 4(A), P 5(B), P 6(C)

MPX1
MPX2
AIRBAG
Passenger Side J/B ECU

W–B

IK
8 PG
GND

W–B
7 PJ

B5
Buckle SW Front RH

Illumination
6
3

G L G
2 C
PBIL

W–B
11 B
GND1

GR–B
4 A

19 IH4
MPX–

W–B

GR–B
GR–B
 Interior Light

∗ 1 : w/ LEXUS Navigation System P–L P–L

∗ 2 : w/o LEXUS Navigation System
∗ 3 : w/ Smart Key System
∗ 4 : w/o Smart Key System I19
G3 Inner Mirror
Gateway ECU 12
MPD2
Door Lock Control Receiver

+5 RSSI DATA E1
MPI1 MPI2 MPL1 MPD1
8 6 7 5
4 13 5 3

BR–W

BR–R

W–B
G
(BAT)
GR–B

GR–B

6 II2 8 II2 9 II2

V–G
(∗2)
Center Cluster Integration Panel

7. 5A

B–Y
P–L
RR ECU–B

Y
8
GR–B

MPX–
(∗1)

33 15 30 29

V–G
MPX2 RCO RSSI RDA
MPX+ 3 IC4 14 IC4
T5
3 2 LD 1 LJ Theft Deterrent ECU
10

Combination SW
MPX
C6

MPX2
GR–B
(∗2)

13
GR
W

Luggage Compartment

Luggage Compartment

C14
MPX1
9
4 2 1

P–L

P–L
(∗4)

(∗3)
Transponder Key Computer
Light No. 1

Light No. 2

MPX–
A/C Control

V–G
Assembly

Power Telescopic ECU

Steering Lock ECU

L8

L9

1 2
MPX+ 5 6
A11

8 MPX2 MPX2
2
Power Tilt and

MPX2
GR

GR–B
MPX1 MPX1

S46
T9
MPX1
P8

4 15
3

22 C 14 A 13 C 2 C
P–L

P–L
(∗4)

(∗3)
LGCY LGLP MPX– MPX+
V–G

L12(A), L14(C)
Luggage Room J/B ECU
7 C
D 4(B), D 5(C)

MPX2 9 DE
Driver Side

BDCY P–GND LCTY

J/B ECU

8 C 14 4 A
DBIL
10 B 14 DI
G

3 LB 5 LA 2 LI
L

4
Luggage Compartment

P
W–B

W–B

W–B

Junction Connector

CTY
Door Closer Motor

1 Luggage 3
Compartment
F Door
Door Lock SW

Courtesy SW
Buckle SW Front LH

E
(Luggage)

J24

Illumination
L5

F 3
D19

2
W–B

B4
B

W–B
W–B

GR–B
A
W–B A J23
Junction
Connector

BM

-4-
 Interior Light

P–L
(BAT) (BAT)

25A 25A
D DOOR P DOOR

10 PG 10 PJ

P
R

P
1 IC5 R39(D) R40(D)
Remote Control Mirror LH Remote Control Mirror RH

W
P
B

Outer Foot

Outer Foot
Light

Light
5 IA1 10 IA1 5 IJ1 14 IJ1
B–R

B–R
P–L

P–L
R

R
Y

Y
6 B 2 D 12 D 26 B 6 B 2 D 12 D 17 B
BDR LP HTR– MPX2 BDR LP HTR– MPX1
D25(B), R39(D) F17(B), R40(D)
Driver Door ECU Front Passenger Door ECU

MPX1 CTY CTYB CYL GND MPX2 CTY CTYB CYL GND
17 B 23 B 24 B 15 B 1 B 26 B 23 B 24 B 15 B 1 B
W–B

W–B
P–G

P–G
P–L

P–L
L–Y

L–Y
G

G
1 1
Light Front RH
Door Courtesy

Door Courtesy
Light Front LH

14 IA1 4 IA1 3 IA1 10 IJ1 4 IJ1 3 IJ1

2 2
D10
D9

W–B

W–B
O

P
1 1
7 PI
D13 D14
Door Courtesy Door Courtesy
SW Front LH SW Front RH

11 PE
P–L

W–B
W–B

W–B

A
Connector
Junction

A W–B
J21

BL IR

-5-
 Interior Light

(BAT) (BAT)

20A 20A
RR DOOR LH RR DOOR RH

5 PG 5 PJ

R–B

G
P

2 IC5

5 BA2 4 BA1 10 BB2 4 BB1

R–W
R–B
P–L

P–L

R13 R14
18 Rear Door LH ECU 2 20 Rear Door RH ECU 2
MPX1 BDR MPX2 BDR

CTY CTYB CYL GND MPX2 MPX1 CTY CTYB CYL GND SEL1
7 10 8 6 20 18 7 10 8 6 15
W–B

W–B

W–B
P–L

P–L
L–Y

L–Y
G

G
L

1 1
Door Courtesy

Door Courtesy
Light Rear RH
Light Rear LH

9 BA2 1 BA1 10 BA2 5 BB2 9 BB2 1 BB1 1 BB2

2 2
D11

D12
W–B

W–B

W–B
P

P
L

1 1
16 BC2
D15 D16
Door Courtesy Door Courtesy
SW Rear LH SW Rear RH

W–B

A A
Connector

Connector
Junction

Junction
J27

J30

BN BO

-6-
 2
L

1 4F
(BAT)

2
60A

IE1
LUG J/B

Relay
L–ACC

B–W
2
1

5
3

1 LL

GR GR
5 LF

9 BT2
19 BH2
(∗5) (∗5)
7. 5A
RR ACC

G
ACC

(∗5)
4

W–B B

-7-
10 BT2
GND

(∗5) (∗5)
Interior Light

R42
Rear Armrest
Courtesy SW

1
2
7

W–B W–B W–B W–B Y

BP
7 BT1
ILL–

(∗5) (∗5) (∗5) (∗5) (∗5)

R43

(∗5)
W–B
Rear Sunshade
SW (Rear)

2
3
6

W–B R R
IOUT

(∗5) (∗5) (∗5)

P54
R

(∗5)
(∗5)
A35

W–B
Power Seat Control
SW (Rear Seat)
∗ 5 : w/ Rear Power Seat

1
4

W–B R
E
Audio and Rear
A/C Control SW

ILL+

(∗5) (∗5)

C31
Climate Control
Seat SW (Rear)
8
7

W–B R
E
ILL+

(∗5) (∗5)
 Interior Light

A 11 A 24 A 35
White Yellow White

1 2 3
1 2 3 4 5 6 7 8 9 10
4 5 6 7 8

1 2 3 4 5 6 7 8 9
11 12 13 14 15 16 17 18 19 20
10 11 12 13 14 15 16 17 18 19 20 21

22 23 24 25 26 27 28 29 30 31 21 22 23 24 25 26 27 28 29 30

B4 B5 C6 C 12
Gray Gray White White

1 2 3 1 2 3 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11
4 5 6 4 5 6
6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22

C 14 C 31 D4 D5 D9
White White White White White

1 2
1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 1 2 3 4 5

8 9 10 11 12 13 14 8 9 10 11 12 13 14 6 7 8 9 10 6 7 8 9 10

D 10 D 11 D 12 D 13 D 14 D 15 D 16
White White White Black Black Black Black

1 2 1 2 1 2 1 1 1 1

D 19 D 25 F 17
White White White

2 1

1 2 3 4 5 6 1 2 3 4 5 6

7 8 9 10 11 12 13 14 15 16 17 7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 18 19 20 21 22 23 24 25 26

G3 I 19 I 24 I 25
White White White White

1 2 3 1 2 3
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

-8-
 Interior Light

J 10 J 11 J 12
White White Gray

A A B B C C C D D E E A A B B C C C D D E E A A B B C C C D D E E

F F F F G G G H H H H F F F F G G G H H H H F F F F G G G H H H H

J 16 J 17 J 21
White White White

A A A
A A B B C C C D D E E A A B B C C C D D E E
A A A A A
F F F F G G G H H H H F F F F G G G H H H H

J 23 J 24 J 27 J 30
White White White White

A A A A A A A A
A A B B C C C D D E E A A A A
A A A A A A A A A A
F F F F G G G H H H H

L5 L8 L9 L 12 L 14
White White White White White

1 2 1 2 1 2
3 4 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11

5 6 8 9 10 11 12 13 14 12 13 14 15 16 17 18 19 20 21 22

O6 P4 P5
White White White

1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 10 11 12 13 14 15 16 17 18 12 13 14 15 16 17 18 19 20 21 22

P6 P8 P 54 R 13
White White White White

1 2 3
4 5 6 7 8
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 6
6 7 8 9 10

7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26

-9-
 Interior Light

R 14 R 39 R 40 R 42
White White White White

1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 2 1
1 2 3 4 5 6
9 10 11 12 13 14 15 16 9 10 11 12 13 14 15 16

7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26

R 43 S 17 S 18 S 46 S 50 S 51
White White White White Black Black

1 2 3 1 2 1 2 1 2 1 2
1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17 18

T5 T8 T9
White Black White

1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 8 9 10 11 12 13 14

V8 V9 V 16 V 17 4F
White White White White White

1
1 2 1 2
1 2 1 2

DE DF DH
White White Yellow

1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9
1 2 3 4
11 12 13 14 15 16 17 18 19 20 10 11 12 13 14 15 16 17 18

DI LA LB LD
White White White White

1 2 3
1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 1 2
4 5 6 7 8 9
12 13 14 15 16 17 18 19 20 21 22 7 8 9 10 11 12

LF LI LJ LL
White White White White

1
1 2 3 4 5
1 2 1 2 3 4
6 7 8 9 10 11 12 13
5 6 7 8

- 10 -
 Interior Light

PE PF PG PH
White White White Yellow

1 2 3 4
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9
5 6 7 8 9 10 1 2 3 4
11 12 13 14 15 16 17 18 19 20 10 11 12 13 14 15 16 17 18

PI PJ BA1
White White White

1 2 3 4
1 2 3 4 5 6 7 8 9 10 11
5 6 7 8 9 10 1 2
12 13 14 15 16 17 18 19 20 21 22 2 1
3 4
4 3
5 6
6 5

BA2 BB1 BB2

White White White

1 2
1 2 3 4 5 5 4 3 2 1 2 1 1 2 3 4 5 5 4 3 2 1
3 4
6 7 8 9 10 10 9 8 7 6 4 3 6 7 8 9 10 10 9 8 7 6
5 6
6 5

BC2
White

1 2 8 9
9 8 2 1
10 11 3 4 5 6 7 17 18
12 13 14 15 16 18 17 7 6 5 4 3 11 10
16 15 14 13 12

BF2
White

1 10
10 1
11 2 3 4 5 6 7 8 9 20
12 13 14 15 16 17 18 19 20 9 8 7 6 5 4 3 2 11
19 18 17 16 15 14 13 12

- 11 -
 Interior Light

BG3
White

1 10
10 1
11 2 3 4 5 6 7 8 9 20
12 13 14 15 16 17 18 19 20 9 8 7 6 5 4 3 2 11
19 18 17 16 15 14 13 12

BH2
White

9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9
25 16 15 14 13 12 11 10 17
17 10 11 12 13 14 15 16 25 24 23 22 21 20 19 18
18 19 20 21 22 23 24

BT1 BT2
White White

1 5 4 3 2 1
2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5
11 12 13 14 15 16 17 18 19 20 20 19 18 17 16 15 14 13 12 11 6 7 8 9 10 10 9 8 7 6

IA1
White

1 2 3 4 5 5 4 3 2 1

6 7 8 9 9 8 7 6

10 11 12 13 14 15 16 17 17 16 15 14 13 12 11 10

IC4
Gray

11 10 9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9 10 11
22 21 20 19 18 17 16 15 14 13 12
12 13 14 15 16 17 18 19 20 21 22

- 12 -
 Interior Light

IC5 IE1
White White

5 4 3 2 1 1 2
1 2 3 4 5 2 1
9 8 7 6
6 7 8 9

17 16 15 14 13 12 11 10
10 11 12 13 14 15 16 17

IG3
White

1 2 8 9
9 8 2 1
10 11 3 4 5 6 7 17 18
12 13 14 15 16 18 17 7 6 5 4 3 11 10
16 15 14 13 12

IG4
Gray

9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9
25 16 15 14 13 12 11 10 17
17 10 11 12 13 14 15 16 25 24 23 22 21 20 19 18
18 19 20 21 22 23 24

IH4
White

11 10 9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9 10 11
22 21 20 19 18 17 16 15 14 13 12
12 13 14 15 16 17 18 19 20 21 22

II1 II2
White White

1 2 3
1 2 3 4 5 6 7 8 9 10 11 11 10 9 8 7 6 5 4 3 2 1 3 2 1
4 5 6 7 8 9
12 13 14 15 16 17 18 19 20 21 22 22 21 20 19 18 17 16 15 14 13 12 9 8 7 6 5 4

- 13 -
 Interior Light

IJ1
White

1 2 3 4 5 5 4 3 2 1

6 7 8 9 9 8 7 6

10 11 12 13 14 15 16 17 17 16 15 14 13 12 11 10

- 14 -