Lexus ES300 (2002 year). Manual — part 62
M OVERALL ELECTRICAL WIRING DIAGRAM
13
14
15
1
6
1
ES 300
(Co
n
t’
d
)
(C
o
nt
.
n
e
x
t pa
ge
)
M
u
lt
ip
le
x
C
o
m
m
u
n
ic
a
ti
o
n
S
y
s
te
m
*
1
:
w
/ V
S
C
* 2
:
w
/o
V
S
C
R
Diode
3A
3
Luggage
Compartment Light
L 6
75
3
A
9
L–R
28
12
(*2
)
W–R
IO
2
11
82
R
8
2
P
Engine Control
Module<4–5>
L
3B
16
3B
36
IB1
BB1
3B
W–L
C
W–B
W
W
ED
V
A/C Control
Assembly<35–5>
IN
D
12
T
hef
t
D
e
te
rr
e
nt
E
C
U
T 6
H
W–
B
W
EA
2
2
W–B
1
2
B
EA
2
1
B
B
IF
4
14
Theft Deterrent Horn
T 1
IA
2
W
B–R
W–R
L–W
1
E
11
IF
7
9
56
3A
3A
36
DS
W
H
6
SH
–
25
IG
14
+B
1
2
SH
24
KS
W
4
TR
+
10
L
V
M
PX3
13
B
M
PX1
10
PKB
18
Turn Signal
Flasher Relay
<9–4>
A/T Indicator
Light SW<5–8>
Data Link
Connector 3
<4–15>
LG–B
HA
Z
10
B
G–W
P
6A
W
OB
D
2
3B
Airbag Sensor
Assembly<12–4>
L
22
D
GS
W
21
W–B
In
st
ru
m
ent
P
a
nel
R
e
in
fo
rc
em
ent
L
H
IA
3B
48
(*1
)
(*2
)
56
3
B
D 3
2M
8
SB
W–B
55
Unlock
Warning SW
U 1
L
3B
26
3B
46
3B
27
3B
47
L
KSW
19
A
2
1
Noise Filter
N 4
R–Y
1
W–L
R
R–Y
2
1
2
1
G
G
G
IA
2
1
LG
C
Y
6C
36
3
B
(*1
)
Door Lock Control
Receiver
D13
W–B
E
1
W–B
IO
5
6
+B
5
R
PR
G
3
G–R
G–R
IO
5
5
PR
G
9B
RDA
2
R
R
L–
W
W
L–
W
H
F
D
C
A
R–Y
L–W
L–W
IO
5
4
RDA
8B
B
ody
E
C
U
B 4
( A
) , B
5
( B
) ,
B
6
( C
)
L
CY
L
15
A
68
3B
48
3B
L–O
(*1
)
(*2
)
(*1
)
(*2
)
CY
L
2C
Door Courtesy Light Front LH
D 4
13
W–R
IA4
1
1
BA1
CY
L
13
A
1
2
L–O
R
Door Courtesy Light Rear LH
D 6
1
2
W–R
R
Door Courtesy Light Rear RH
D 7
1
2
L–R
R
W–R
L–R
1I
C
1
BA1
4
4
BB1
R
R
R
R
R
L–
O
W–
R
W
E
I
G
3A
66
G
F
E
D
C
L
J
K
L–
Y
L–
W
B–
R
B–
R
L–W
L–
Y
L–
O
L–W
W–R
A
W–R
B
Generator
<3–2>
Y
AL
T
L
B
18
W
B
3A
86
W
4
SP
D
V–W
Combination
Meter<33–3>
A
R–W
11
2G
Skid Control
ECU<10–6>
R–W
72
P
Skid Control ECU
with Actuator
<11–4>
R–W
23
2G
1
(*1)
(*2)
Parking Brake SW
P 5
18
RE
W–G
Combination
Meter<6–3>
A
M
L 5
Luggage Compartment
Door Opener Motor
Luggage Compartment
Light SW
G
2
2
Engine Hood
Courtesy SW
E 4
L
e
ft
F
ende
r
2002
M
17
18
19
20
1 ES 300 (Cont’ d)
M u ltip le x C o m m u n ica tio n S y ste m
4
U
SIG
B–
R
W–R
8 IC1
1
20
Under the
Driver’ s Seat
BA
W–
B
GND
W–B
2
LMT
5
LMT
2
3
E
13
SGND
W–
B
H
W–B
Power Window Motor
Front LH
6
PLS
15
L–B
ACTD
L–
B
L–
R
Door Lock Motor Front RH
Door Unlock Detection SW Front RH
D14
IA3
11
IP2
7
IP2
2
1
4
L–
B
L–R
C
11
L–
B
L–
R
PLS
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
D12
IC1
7
IC1
2
1
4
L–
B
L–R
B–
O
11
P 7
10
14
KUL
L
W–
B
KEYE
3
7
8
16
LSWD
LG
L–
Y
KL
4
9
MUP
Body ECU
B 4(A), B 5(B), B 6(C)
G
BDR
L–W
10 IC1
10
CPUB
W–R
9 IC1
9
MPX2
GR
–
L
12 IB1
8
MPX1
GR
–
B
13 IB1
7
WLSW
GR
2 IB1
6
LG
–B
Driver Door ECU
D17
5
IC1
D
11
MDN
R
4
U
GR
–
L
GR
–
R
MPX2
B
12
11 B
MPX1
1
GR
–
B
GR
–
L
Instrument Panel
Reinforcement RH
IF
W–
B
GND
W–B
2
LMT
5
LMT
6
1
E
13
SGND
W–
B
Power Window Motor
Front RH
3
PLS
15
PLS
B–
O
11
P 8
W–
B
KEYE
3
8
7
16
LSWP
Y
MUP
G
BDR
L–
O
10 IP2
10
CPUB
W–R
9 IP2
9
MPX2
GR
–
L
18 IP1
8
MPX1
GR
–
R
19 IP1
7
PCT
GR
9 IP1
6
LG
–B
Front Passenger Door ECU
F13
5
IP2
D
11
MDN
R
GR
L–
W
L–W
L–O
L–Y
L–W
B–R
F
D
C
E
G
B–
R
W–R
L–R
L–R
L–B
GR
GR
L–W
L–Y
W–B
H
G
F
E
D
C
B
A
W–R
A
W–R
B
GR
–
R
GR
–
B
L–B
L–O
GR
M OVERALL ELECTRICAL WIRING DIAGRAM
21
22
23
2
4
1
ES 300
(Co
n
t’
d
)
M
u
lt
ip
le
x
C
o
m
m
u
n
ic
a
ti
o
n
S
y
s
te
m
BC
F
ront
S
ide
o
f
R
ear
Q
uar
te
r
W
heel
H
ous
e LH
J1
3
Junc
tio
n
C
onne
ct
or
W–
B
W
–
B
L–B
BR
BR
W–B
W–B
L–Y
L–Y
L–B
L–R
L–R
L–R
In
s
tr
u
m
e
n
t P
anel
B
rac
e R
H
ID
11
2B
SG
N
D
24
F
ront
S
ide
o
f
R
ear
Q
uar
te
r
W
heel
H
ous
e R
H
BD
10
2H
W–B
BA
1
10
9
16
L–B
L–R
L–Y
L–B
BA
1
8
BA
1
9B
A
1
3
L–R
L–Y
W–B
BB
1
10
16
2
K
LS
R
19
42
S
AC
T
–
62
C
23
9
6
1
L–Y
L–B
L–R
L–Y
BB
1
3
BB1
8
BB1
9
L–B
L–R
L–B
L–R
IO
4
4
IO
4
5
L–B
L–R
A
E
B
E
B
F
B
B
F
A
D
E
12
2
H
52
C
AC
T
+
11
2
H
11
A
A
A
A
6I
O
4
J1
2
Ju
nc
tion
C
o
nnec
to
r
U
nder
t
he
F
ront
P
a
ss
enger
’
s S
eat
BB
J
unc
tion
C
onnec
to
r
J 8
( A
) , J
9
( B
)
B
BB
B
BA
A
B
Junction Connector
J 8(A), J 9(B)
GR
GR
GR
GR
W–B
L–
Y
L–
W
B
ody
E
C
U
H
G
F
E
D
C
B
A
W–B
Door Lock Motor Rear RH
Door Unlock Detection SW
Rear RH
W–B
D16
W–B
GR
BA1
2
GR–G
M
PX4
B
1
IA
3
10
R
D
4
MD
N
1
LG–B
8
BA
1
6
LG–R
M
PX1
IA
3
5
GR
GR
GR
L–
B
L–
R
G
U
R1
5
B–O
PL
S
3
PL
S
4
R
ear
D
oor
LH
E
C
U
W–B
E
1
SG
N
D
53
LM
T
6
LM
T
7
GN
D
W–B
11
D15
Door Lock Motor Rear LH
Door Unlock Detection SW
Rear LH
5
LG–R
GR
MU
P
6
L–Y
11
L–Y
5C
M
PX5
LG–R
10
L–W
6
MU
P
GR
GR–G
5
W–B
GN
D
7
LM
T
2
LM
T
3
5
SG
N
D
3
E
W–B
R
ear
D
oor
R
H
E
C
U
4
PL
S
6
PL
S
B–O
R1
6
U
G
L–W
9I
O
4
GR
11
IO
4
M
PX1
GR–G
6
BB1
8
LG–B
1
MD
N
4
D
R
10
IO
4
2B
B
1
7
BB1
PC
T
12
BD
R
P
o
w
e
r Wi
ndow
M
o
to
r
R
ear
R
H
P1
0
7B
A
1
PC
T
12
BD
R
P
o
w
e
r W
indow
M
o
to
r
R
ear
L
H
P 9
E
W–B
L–
R
B 4
( A
) ,
B
5
( B
) ,
B
6
( C
)
L–W
GR
W–B
L–Y
PD
C
9
2B
12
V
PW
S
G–R
M
oon R
oof
C
ont
ro
l E
C
U
an
d M
o
to
r<
2
3–4
>
8
44
L–R
L–R
2002
M
1
2
3
4
2 ES 300
B–
G
B–
G
B–
G
Battery
FL MAIN
3. 0W
2E
2
5A
A
M
1
2A
2
1A
2
5A
S
T
1H
2
B–
W
3 IF3
2
7
ACC
IG1
ST1
IG2
ST2
AM1
1
6
8
AM2
7 IF6
B–W
B–R
G–Y
5 IF6
G–
Y
1K
8
1L
9
1K
7
1J
7
1
1
2
1
3
5
1
1
B–
Y
B–
W
B–
Y
G–
Y
G–
Y
W
ST
Relay
B–
R
W–
B
1L
7
1C
3
B–
R
1
B
1 A
S 2
(A
),
S 3
(B
)
Sta
rte
r
6
9
P
N
B–
Y
A 4
P
a
rk
/N
e
u
tr
a
l
Po
sit
io
n
SW
B–R
IF6
8
1L
8
15A
IGN
1C
8
B–R
B–R
B–
R
EF
W–B
1
N 1
N
o
is
e
F
ilt
e
r
(Igni
tion
)
I14
Ignition SW
S ta rtin g a n d Ig n itio n
P o w e r S o u rc e
1
4
2
3
I 1
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 1
1
4
2
3
I 2
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 2
W–
B
B–
R
W–
B
B–
R
B–
R
1
4
2
3
I 3
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 3
W–
B
B–
R
1
4
2
3
I 4
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 4
W–
B
B–
R
1
4
2
3
I 5
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 5
W–
B
B–
R
1
4
2
3
I 6
Ig
n
ition
C
o
il and
Ig
n
ite
r N
o
. 6
W–
B
B–
R
W–
R
W–R
R–
W
W–R
P
W–
R
W–
B
W–R
LG
–B
W–R
L–
Y
W–R
G–
R
W–R
L
W–R
W–R
W–R
Engine Control Module
<4–12>
W–B
W–B
B–R
B–R
1
1
1
1
2
120A
ALT
B–
Y
G–
Y
G–
Y
E
ngi
ne C
ont
ro
l M
odul
e
<4
–
1
1
><4
–
1
2
>
EC
Left Fender
W–B
8
1H
3
0
A AM
2
1E
2
W–R
13 IF4
B–
W
C
o
m
b
inat
io
n
M
e
te
r<
33–
4>
IGF
IGT
IGF
IGT
IGF
IGT
IGF
IGT
IGF
IGT
IGF
IGT
+B
GND
+B
GND
+B
GND
+B
GND
+B
GND
+B
+B
Intake Side of
Cylinder Block
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