Lexus ES300 (2002 year). Manual — part 71
M OVERALL ELECTRICAL WIRING DIAGRAM
1
2
34
25
ES 300
2
AC
C
IG
1
ST
1
AM
1
4
1
11
120A ALT
30A D. C. C
11
D
1A
2
7. 5A DOME
52
M
2F
7
B–G
B–G
R
B–G
B
a
tte
ry
2
1
3
5
15A SUN–SHADE
IG1 Relay
2A
82
L
1
2R
8
In
st
ru
m
ent
P
anel
R
e
in
fo
rc
e
m
e
n
t L
H
IA
B–Y
W
W
W
Igni
tion
S
W
I1
4
F
L
M
A
IN
3.
0W
1
2
R
ear
S
uns
hade
Po
w
e
r So
u
rc
e
2
1
3
5
5A ECU–ACC
ACC Relay
2A
7
2M
8
L–R
3
L–
R
IB
In
st
ru
m
ent
P
anel
B
rac
e LH
17
IA
4
5
1
A
1
4
A
AA
BC
F
ront
S
ide of
R
ear
Q
uar
te
r
Wheel
H
ous
e L
H
W–B
W–B
W–B
V
V
R–L
IG
E
3A
60
3A
65
3A
69
3A
55
67
3B
47
3B
57
3B
37
3B
9I
H
1
10
IH
1
GR
R
W
W–B
W
W–B
GR
SB
SB
Cl
o
ck
C 6
Junc
tion
C
onn
ec
to
r
J1
2
Ju
n
ct
io
n
C
o
n
nec
to
r
J 4
Ju
n
ct
io
n
C
o
n
nec
to
r
J 1
Rear Sunshade
Control SW
R 7
13
42
Cl
o
c
k
Illumination System<6–4>
(*1
)
(*2
)
(*1
)
(*2
)
* 2
:
w
/o
V
S
C
* 1
:
w
/ VSC
2H
13
5A AM1
2A
2
W
2E
2
B–G
7I
H
1
GR
R
RE
V
R–B
2
Back–Up
Light SW
<8–2>
R
ear
S
uns
had
e
C
ont
ro
l R
e
la
y
R2
1
SW
3
R–L
B–
Y
W–B
W–B
W–B
E
EC
U
2002
M
1
2
3
4
26 ES 300
Battery
FL MAIN
3. 0W
120A
ALT
B–
G
2
ACC
IG1
ST1
AM1
4
2A
2
5A
A
M
1
2
1
3
5
2E
2
2A
8
IG
1
R
e
la
y
1
0
A G
A
U
G
E2
40
A
D
E
F
2E
1
2R
8
2
1
No
is
e
F
ilt
e
r 1
2
1
No
is
e
F
ilt
e
r 2
2
5
1
3
2J
2
2M
8
DE
F
Re
la
y
10A
M
IR
H
T
R
2K
18
2S
2
2G
16
2C
4
IA
Instrument Panel
Reinforcement LH
BA
Under the
Driver’ s Seat
3 IC1
3 IP2
B–
Y
B–
Y
B–
Y
B–
Y
B–
Y
11 IC1
11 IP2
W–B
W–B
W–B
W–B
21
5
RDEF
GND
A
/C Co
n
tro
l A
ss
e
m
b
ly
A1
5
1
Rear Window
Defogger
Choke Coil
C13
P o w e r S o u rc e
R e a r W in d o w D e fo g g e r
M irro r H e a te r
Ignition SW
I14
B–
G
B–
G
W
B–
G
B–
Y
B–
G
W
Y–
G
B
SB
W–
B
W–B
SB
E
ngi
ne C
ont
ro
l M
odul
e
<
4
–12
>
* 1 : w/ Driving Position Memory
* 2 : w/o Driving Position Memory
1
2
1
2
1
1
3A
24
3A
55
5 B (*2)
3 A (*1)
5 B (*2)
3 A (*1)
9 A (*1)
4 B (*2)
9 A (*1)
4 B (*2)
M
irr
o
r H
eat
er
R
H
M 4
(A
),
(B
)
M
irr
o
r H
eat
er
L
H
M 3
(A
),
(B
)
IF
Instrument Panel
Reinforcement RH
M OVERALL ELECTRICAL WIRING DIAGRAM
1
2
34
27
ES 300
2
1
1
2
AC
C
IG
1
ST
1
AM
1
3
4
5A
TE
L
2
1
3
5
2
1
3
5
10A
EC
U
–
IG
5A
EC
U
–A
C
C
1D
5
2K
12
2H
6
2R
8
1A
2
2A
82
A
7
2A
22
E
2
IA
3B
SG
4I
D
1
4I
A
2
9I
A
2
8I
A
2
BE
M
A
CC
S
G
ND
M
IC+
MI
C
–
P
H
+
P
H
–
51
4
21
2
1
1
LEXUS Navigation System,
Radio and Player System
<28–4><29–4>
Radio and Player System
<30–6><31–4><32–4>
C1
0
C
o
m
b
inat
ion S
W
T 5
T
e
lepho
ne M
ic
ro
phone
A/C Control Assembly
<35–5>
(*1)
B
W
G
G–W
L–R
G
G–W
L–R
W–B
B–R
GR
G–B
GR
B–R
W–B
G–B
B–G
B–G
W
W
B–G
B–Y
L–R
Po
w
e
r So
u
rc
e
C
e
ll
u
la
r M
obi
le
T
e
lephone
B–G
B
a
tte
ry
F
L
M
A
IN
3.
0
W
5A
AM
1
I1
4
Ig
ni
tion
S
W
IG1 Relay
ACC Relay
L–Y
G–B
11
1
20A
AL
T
W–B
11
B
B
4
C
5
1
2B
5B
6B
1
4
B
7B
B
41
C
4
C
D
4
D
1
TE
L
I
S
P
O
U
T–
SP
O
U
T
+
SP
IN
–
SP
IN
+
MU
T
E
G
N
D
M
IC
G
N
D
M
IC
IN
MA
C
C
S
W
–
TL
S
W
B
3
4
A
3
A
G–B
R
G
O
L
Y
G–W
R
G
R–W
B
G
M
U
T
E
SPI
+
SPI
–
S
P+
S
P
–
TE
L
I
MI
C
IN
MA
C
C
S
W
–
TL
S
W
(*1)
GN
D
1
M
IG
N
D
+
B
13
19
24
31
6
56
1
8
1
1
4
G–
B
G–
B
L–
Y
G–
B
L–
Y
21
5
4
T
e
lepho
ne C
o
m
p
u
ter
S
hor
t C
onnec
to
r
6C
IG
R–B
IG
12
26
AC
C
3C
+B
L–Y
W–B
AC
C
C
2
G
(C
o
nt
.
n
e
x
t pa
ge
)
T
e
leph
one C
o
m
p
ut
er
T1
0
(A
), T
1
1
(B
), T
1
2
(C
), T
1
3
(D
), T
1
4
(E
), T
1
5
(F
)
*
1
:
S
h
ie
ld
e
d
G
In
st
ru
m
e
n
t P
anel
R
e
in
fo
rc
e
m
e
n
t L
H
Lo
w
e
r B
a
ck
P
anel
C
ent
er
2002
M
5
6
7
8
27 ES 300 (Cont’ d)
14 A
13 A
5 A
4 A
17 A
6 A
15 A
2 A
7 A
8 A
11 A
1 A
10 A
12 A
3 A
C+B
HLED
DNDT
UPDT
DT–
PWR
CHAG
GND
HSW
NOSR
OPT
T–A+
T–A–
R–A+
R–A–
C 4
Cellular Phone (Hand Set)
B–
R
GR
R
G
(*1
)
B
R–
W
BR
R
O
Y
W
O
(*1
)
(*1
)
3
12
10
1
11
8
7
2
15
6
17
4
5
13
14
C e llu la r M o b ile T e le p h o n e
Telephone Computer
S+
S–
GND
PCM
_RA
PCM
_TA
VCHG
VBATT
ID VAL
GND
PCM
CLK
PCM
SYNC
CALL
GND
ASYNC
RXD
ASYNC
TXD
16 F
VG1
15 F
SYNC1
8 F
VR1
7 F
B1
6 F
G1
5 F
R1
9 F
TX1–
1 F
TX1+
6 E
VG
3 E
B
7 E
G
1 E
VR
2 E
R
8 E
SYNC
10 E
TX–
5 E
TX+
7
TX+
L–O
20
TX–
B
8
SYNC
W
9
R
R
10
VR
Y
22
G
BR
23
B
L
21
VG
GR
–
L
(*1
)
3
ASYNC
_TXD
R
4
ASYNC
_RXD
G
14
GND
GR
–
L
5
CALL
G
6
PCM_
SYNC
G
1
PCM_
CLK
R
12
GND
L–O
20
ID_
VAL
B
10
VBAT
O
11
VCHG
Y
18
PCM
_TA
G
2
PCM
_RA
R
13
GND
B–
Y
19
S–
L
(*1
)
22
S+
W
(*1
)
(*1
)
L
EXU
S
N
a
vig
a
tio
n
S
ys
tem
, R
adi
o and
P
lay
er
S
ys
tem
<2
8
–
3
><2
9
–
3
>
Telephone Computer
Telephone Computer
LEXUS Navigation System, Radio
and Player System
<28–3><28–4><29–3><29–4>
LEXUS Navigation System,
Radio and Player
System<28–4><29–4>
Telephone Computer
T10(A), T11(B), T12(C), T13(D), T14(E), T15(F)
* 1 : Shielded
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