Lexus ES300 (1997 year). Manual — part 674
1
2
3
4
26 E
S
300
(C
o
n
t.
ne
xt
pa
ge
)
2
ACC
IG
1
AM
1
4
7A
10
A
5D
5B
4A
6D
4B
7D
8A
3B
10
D
3A
1A
13
A
13
D
12
D
11
D
4D
9C
2
1
1
EA
R
ig
h
t r
a
di
a
tor
s
id
e
s
u
pp
or
t
EE
R
e
a
r s
ide of
s
u
rg
e t
ank
IJ
In
st
ru
m
ent
pane
l
br
ace
R
H
12
7I
L
1
2I
L
1
3I
F
3
4
IF
3
1
IF
3
6I
J
1
3I
L
1
1
5I
L
1
1A
1F
2
F
1K
2
1B
1
1K
1
1D
2
1J
1
DA
FB
2I
K
2
F 6
A , F11
F
FUSIBLE LINK BLOCK
3D
1
0
C
2B
WASHER LEVEL
OIL
SEAT BELT
ABS
TRAC OFF
CRUISE
O/D OFF
MALFANCTION
INDICATOR LAMP
CHARGE
REAR LIGHT
SLIP
3I
J
1
C
7
A
,
C 8
B
, C
9
C
D
, C
1
0
CO
MBI
N
ATI
O
N
M
E
TE
R
J28
A , J29
B
JUNCTION
CONNECTOR
V–W
V–W
R–L
W
B–R
B–R
B–R
B–G
R–L
R–L
R–L
R–L
R–L
L
P
Y–R
G–W
B–O
BR
Y–G
BR
P–L
Y–G
Y–B
P–L
W–B
Y–B
R–
L
B–
Y
2
A
D
1
D
C
A
C
C
32
3
L
P
Y–R
G–W
BR
BR
1
9I
J
1
3I
M
2
P–L
WATER TEMP.
TACHOMETER
FUEL
FUEL
ODO
CPU
SPEEDOMETER
B
A
TTE
RY
FL M
A
IN
3.
0
W
V 2
V
E
HI
CL
E
SPE
ED
S
E
NSOR
( C
o
m
b
inat
ion M
e
te
r)
F1
9
FUE
L
SEN
DER
J25
JUNCTION
CONNECTOR
J 4
JU
N
C
TI
O
N
CO
NNECTO
R
10A GAUGE
I1
3
IG
N
IT
IO
N
S
W
J1
7
J
U
NCTI
O
N
CON
N
ECTO
R
Fr
om
Engi
ne
C
ont
ro
l
M
o
d
u
le
<2
–
7
>
Fr
o
m
A/
C
Co
n
tr
o
l
A
s
s
e
m
b
ly
<
27–
5
>
BR
W 3
WATER TEMP. SENDER
W 1
WASHER LEVEL
WARNING SW
O 1
OIL PRESSURE SW
40A
AM
1
V–
W
V–
W
See Taillight System
< 6–4>
See Charging System
< 1–4>
See Engine Control System
< 2–2>
See Electronically Controlled Transmission
and A/T Indicator System< 3–3>
See Cruise Control System< 21–2>
See ABS and Traction Control
System< 19–1>
See ABS System< 20–2>
See ABS and Traction Control System
< 19–1>
See Unlock and Seat Belt Warning
System< 14–3>
See Charging System
< 1–4>
10
0A
AL
T
6I
L
1
V–
W
C
Fr
om
C
rui
se C
ont
ro
l E
C
U
<
21–
4
>
IG
+
S
I
S
E
From Engine Control
Module< 2–11>
B–O
Po
w
e
r
S
our
c
e
C
o
mbi
nat
ion M
e
te
r
K OVERALL ELECTRICAL WIRING DIAGRAM
5
6
7
26 E
S
300
(Co
n
t’
d
)
1
16
B
2D
1D
7C
6C
5
C
9A
II
In
st
ru
m
ent
panel
br
ace
LH
2
1
3I
G
2
4I
K
1
4I
L
1
1J
8
1J
7
8C
D
83
C
B
11
1
3
B
B
12
1
4
B
C
1
2
C
1
0B
9B
7
B
8B
IG
Lef
t k
ic
k
panel
9D
W–B
R–
W
(*2
)
R–W
R–W
15
B
R–
W
W–B
W–B
B–Y
B–Y
W–B
W–B
R–W
C
7
A
,
C
8
B
,
C
9
C
, C
1
0
D
C
O
M
B
IN
A
T
IO
N
M
E
T
E
R
(* 1)
B
B
B
B
R–
W
( *2
)
A
A
W–
B
A
2
1
A
W–B
6I
G
1
GR
GR
A
A
P 3
PARKING
BRAKE SW
From Daytime
Running Light
Relay(Main)
< 5–1>
J 2
JUNCTION
CONNECTOR
B 1
BRAKE FLUID LEVEL
WARNING SW
E 6
ENGINE OIL
LEVEL WARNING SW
J 8
J
U
NCTI
O
N
CO
NNE
CTOR
See Interior Light
System< 8–4>
See SRS System
< 23–3>
See Headlight System
< 4–3>< 5–3>
J1
6
J
UNCTI
O
N
CO
NNECT
OR
See Illumination System
< 7–2>
See Interior Light
System< 8–4>
See SRS System
< 23–3>
See Headlight System
< 4–3> <5–3>
See Headlight System
< 4–3>
See Electronically
Controlled
Transmission and A/T
Indicator System
< 3–3>< 3–4>
See Turn Signal and
Hazard Warning Light
System<9–2>< 9–3>
TAIL
HEAD
L
2
D
N
R
P
TURN RH
TURN LH
HIGH BEAM
SRS
DOOR
ENGINE
OIL
DE
L
A
Y
BLBE CHECK
RELAY
BRAKE
From Park/Neutral
Position SW<1–2>
J15
J
UNCTI
O
N
CONN
ECTOR
(* 1)
(*1)
(*2)
To Day
tim
e
R
u
n
n
ing L
ight
Re
la
y
(Ma
in
)<
5–2
>
OIL TEMP.
OIL LEVEL
See Illumination System
<7–2>
(* 2)
C
o
mbi
nat
ion M
e
te
r
*1: USA
*2: Canada
K
1
2
3
4
27 E
S
300
(C
o
n
t.
ne
xt
pa
ge
)
2
ACC
IG
1
AM
1
4
1K
2
40
A
AM
1
1B
1
1V
10
1W
3
2J
7
2
1
3
5
4
1
1
1
1
1
10
A
EC
U–B
2A
1
1E
1F
2F
1A
1
C
1E
B
1
EC
L
e
ft
r
a
di
at
o
r
si
de suppor
t
M
21
IH
1
5
IH
1
1
EB
2
2
2
1
2I
H
1
II
In
st
ru
m
ent
pan
el
b
ra
c
e
LH
1K
1
2
1
3
5
11
11
10
A
HE
ATER
1R
3
1W
2
2K
5
2C
9
IM
2
7
B
A
1
A
3
B
4
B
C
D
E
G
H
I
J
F
2
L–
B
L–B
L–
R
B
–Y
L–
R
B
–
W
B
–
W
L
–
W
L–W
W–
B
W–
B
W–
B
W–
B
Y–
W
B–
W
W–
B
L–B
W–
B
W–
B
B–
W
L–Y
L–
W
L–B
L–
Y
W–
R
A
L–B
B–
Y
B
L–W
L–R
W–B
L–R
W–R
W–R
W–R
B–R
B–R
B–R
L–B
B–G
B–W
L–W
B–W
B–W
Y–W
W–B
W–B
W–B
L–B
L–B
L–B
L–B
W
W
I1
3
IG
N
IT
IO
N
S
W
J 3
J
UNCT
IO
N
CON
N
ECTOR
SH
O
R
T
PI
N
HTR
REL
A
Y
FL
M
A
IN
3.
0
W
B 2
BLO
W
ER
M
O
TO
R
B 3
BLOWER RESISTOR
A1
3
A
/C BL
OW
ER M
O
TO
R
L
INEAR
CON
T
RO
L
L
E
R
W–B
W–B
A
J1
5
J
UNCTI
O
N
CO
NN
E
C
T
O
R
BA
T
T
ERY
32
D 2
DI
ODE
(A/
C
)
Po
w
e
r So
u
rc
e
A
u
to
m
a
ti
c
A
ir
C
o
n
d
it
io
ni
ng
BA
BB
BB
J20
A
, J
2
1
B
J
UNCT
IO
N
CONNE
CTO
R
F 6
A , F 8
C
FUSIBLE LINK BLOCK
, F10
E , F11
F
100A ALT
50A HTR
1
2
MG CL
T
REL
A
Y
From FAN NO. 3
Relay< 18–3>
1
L
1
2
IH
1
6
K OVERALL ELECTRICAL WIRING DIAGRAM
5
6
7
8
27 E
S
300
(Co
n
t’
d
)
A
F
J
I
H
G
E
D
C
B
13
A
2
6
A
1
0A
2B
3
A
1
6
B
9
B
9I
M
2
4
1
12
IM
3
7B
6A
4
A
1
7
A
1
8A
1
9
A
2
0A
9
A
8
A
1
1
A
14
A
16
A
13
B
10
B
14
B
3
B
4B
6B
5B
1
A
8B
1
2
1
2
1
2
11
IM
3
8I
G
1
9I
G
1
1
0
IM
3
10
IM
2
M
M
1
2
2
5
6
2
1
1
456
78
214
3
5
GND
IG
N
AC
1
ACT
TW
2
TAM
T
R
T
E
S
G
TS
TP
S5
AM
C
AM
H
DEF
F/
D
FO
O
T
B/
L
FACE
TPI
AI
F
PS
W
BLW
LO
C
K
MG
C
R
HR
IG
+
B–
W
W–
B
L–
B
W–
B
W–
B
B–
W
L–
Y
L–
W
L–
B
W–
R
L–
B
W–
B
W–
B
W–
R
W–B
B–O
B–Y
LG–B
V
Y
Y
W–R
W–R
W–R
L
W
W
B–Y
L
P
G–R
B–Y
L
P
G–R
L–O
B–L
L–R
L
L–W
P–L
L–Y
L–B
B–W
W–L
L–B
L–W
L–Y
W–L
B–W
L–B
15
A
SP
D
W–R
V–W
B
4
VE
N
T
B/
L
F
O
O
T
F
/D
D
EF
A14
A
, A1
5
B
A/
C CO
NTRO
L A
SSEM
B
L
Y
A 3
A/
C
M
A
GN
E
T
IC
CL
UTC
H
A
N
D
L
O
CK
SE
NS
O
R
A 4
A/C DUAL PRESSURE SW
A28
AI
R VE
NT MO
DE
C
O
NT
RO
L
SE
RV
O
MO
T
O
R
A2
6
AI
R
IN
L
E
T C
O
NTROL
SE
RVO M
O
TOR
To Speedometer
[Comb. Meter]< 26–2>
IG
GND
B
A
CONT
ROL
CI
RC
UI
T
A 1
A/C AMBIENT TEMP. SENSOR
A16
A/C ROOM TEMP. SENSOR
A18
A/C THERMISTOR
A17
A/C SOLAR SENSOR
A27
AIR MIX CONTROL
SERVO MOTOR
A
u
to
mat
ic
A
ir
C
ondi
ti
oni
n
g
From Engine Control
Module< 2–7>
7A
7
AI
R
R
3
D
B
DB
DB
EA
E
A
EA
CA
C
A
AB
A
B
G–Y
L–W
W–R
W–R
W–R
W–R
W–R
B–Y
L
L
W–
R
L
L
L
L
W–
R
1
W–R
W–R
W–
R
W–
R
W–
R
J20
A , J21
B
JUNCTION
CONNECTOR
J18
A , J19
B
JUNCTION CONNECTOR
L–O
B–L
L–R
L
L–W
23
A
2
5
A
24
A
L–
R
B–
R
Y–
G
Fr
om
D
e
fogger
R
e
la
y
<
18–
2
>
Fr
om
R
heos
ta
t
<7
–
2
>
Fr
om
Tel
epho
n
e
Tr
anscei
v
er
and S
p
eak
er
R
e
la
y<
24–
3
>
5A
R–
Y
Fr
om
Thef
t D
e
te
rr
ent
EC
U
<1
2
–
4
>
From Engine Control
Module< 2–11>
M
RDFG
T
C
TEL
I
SE
C
U
WARM
COOL
To Engine Control
Module< 2–7>
K
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