Lexus ES300 (1997 year). Manual — part 667
K
1
2
3
4
1
E
S
3
0
0
EL
EC
T
R
IC
A
L
W
IR
IN
G
D
IAG
R
A
M
2
ACC
IG
1
IG
2
ST2
AM
1
4
6
8
7A
M
2
1B
5
1K
5
2
1
3
5
5A ALT–S
30A AM2
40A MAIN
2L
4
2C
3
2A
12
B
32
D
52
K
92
J
11
1F
2F
1D
1A
1K
2
1B
1
40A AM1
1B
1
A
5A
STARTER
5A
IG
N
1K
41
K
3
1J
31
C
8
11
IK
2
6
5
P
N
10
IK
2
CB
BA
BA
GR
12
IK
3
EE
R
ear
si
de of
sur
ge t
a
nk
2
1
1C
1B
L
1
A
2
B
3
B
B
IG
S
10
A
2B
10A
GAUG
E
1K
1
1J
2
4I
G
2
6E
B
2
4I
M
2
1T
8
60A
ABS
3
45
67
3
2
2
2
AAA
A
A
B
1
2
9
10
1
2
B
B
1
2
A
1
1
1
R
B–
R
B–Y
W
W
B–
G
B–
R
GR
B
B–R
B–R
B–R
B–R
B–R
G
Y
L
W–R
LG–B
BR–Y
GR
BR
BR
W–R
W–R
W
W
B–R
B–R
B–R
B
B–G
B–G
B–R
GR
B–W
B–W
GR
Y
Y
Y
Y
B–R
B–R
B–R
B–Y
B–G
R–L
R–L
B–G
W
B–
G
W
B–R
B–R
P
o
w
e
r So
u
rce
St
a
rt
in
g
C
h
ar
gi
ng
I1
3
IG
N
IT
IO
N
S
W
I 5
IGNITION COIL NO. 3
I 4
IGNITION COIL NO. 2
I 3
IGNITION COIL NO. 1
J26
JUNCTION CONNECTOR
ST RELAY
P 1
P
A
R
K
/N
EU
TR
AL
PO
S
ITI
ON SW
J22
J
UNCTI
O
N C
O
NN
E
C
T
O
R
1
00A
AL
T
F 9
D
,
F11
F
FUSI
BLE
LI
NK
BLOCK
F 6
A
,
F
8
C
To Engine Control
Module < 3–2>
FL M
A
IN
3.
0
W
BATT
E
RY
S 1
A
,
S
2
B
START
E
R
J 8
A , J 9
B
JUNCTION
CONNECTOR
To Engine Control
Module<2–10
T
o
Engi
ne C
ont
ro
l
M
o
d
u
le
<
2
–8>
N 1
NOISE FILTER
(Ignition)
See ABS System< 20–1>
See ABS and Traction
Control System< 19–1>
To Daytime Running
Light Relay(Main)< 5––1>
G 1
A
,
G 2
B
GE
NERAT
O
R
C 7
A , C 8
B
CHARGE WARNING LIGHT
[COMB. METER]
B–W
B–W
1I
G
2
W–B
W–B
To Theft Deterrent ECU
< 12–3
BA
BA
BB
(*2)
(*2)
Y
(* 1)
Y
(*2)
J18
A , J19
B
JUNCTION
CONNECTOR
*
1
:
U
S
A
*
2
:
C
a
na
da
Ign
it
ion
BA
GR
GR
To
Bu
lb
Ch
e
ck
Re
la
y
[C
om
b.
M
e
te
r]
<
26–5
>
IG
F
IG
T
3I
G
T
2I
G
T
1
G
N
D
IG
C3
IG
C2
IG
C1
+
B
I 2
IG
N
IT
E
R
1
2
3
2 E
S
300
(
C
on
t.
ne
xt
pa
ge
)
5A
IG
N
2
7
AC
C
IG
1
IG
2
ST2
AM
1
4
6
AM
2
R–Y
R–L
G–B
LG–R
R–L
L
BR
LG–R
LG
P
O
1F
2
F
1J
10
1K
2
2L
42
J
8
1B
41
B
1
2A
1
1C
B
1K
5
1B
5
1K
31
C
8
1W
7
2C
5
2F
42
J
22
C
10
2
1
3
5
1
1
1
1
4E
B
2
7I
D
1
5E
B
2
3I
K
2
3
IK
1
5
4
M
BN
AB
AA
1J
8
1J
7
II
In
st
ru
m
e
nt
p
anel
b
race L
H
C
A
C
A
B
B
A
W–R
2K
7
EC
Le
ft
r
adi
at
or
s
id
e
s
u
pp
or
t
12
IK
3
1K
1
1D
2
B–G
B–R
B–R
B–R
B–R
B
W
W–R
B–Y
W–B
W–B
B–Y
B–Y
B–R
R–L
R–L
G–R
G–R
G–R
G–R
L–B
W–B
B
W
W–B
W–B
W–B
BR
BR
L–W
W
B–
Y
B–
R
L–
W
B–
Y
BR
BR
G–
R
G–
R
B–
Y
BR
B–
R
B–
R
B–
R
B–R
B–
R
W
B–
R
1A
B–R
G–R
L–B
5
3
B–
Y
D
D
J
8
A
,
J 9
B
J
UNCTI
O
N CONN
ECTOR
12
3
11
5
15
10
3
8
16
23
22
4
14
17
45
7
16
W–B
W–B
A
J 8
A , J 9
B
JUNCTION CONNECTOR
F 6
A , F 8
C , F11
F
FUSIBLE LINK BLOCK
L–B
G–R
U
nder
t
h
e l
e
ft
c
e
n
ter
pi
lla
r
B–Y
B
A
TTER
Y
FL M
A
IN
3.
0W
100A ALT
7. 5A OBD
40A AM1
1
2
I1
3
IG
N
IT
IO
N
S
W
30A AM2
15A EFI
EFI RELAY
CIR OPN RELAY
F19
FUEL
PUM
P
J3
7
JU
N
C
TI
O
N
CO
NNE
CTO
R
J1
5
J
UNCTI
O
N
CO
NNEC
T
OR
10
IJ
1
C10
MALFANCTION INDICATOR LAMP
[COMB. METER]
J 4
J
UNC
TI
ON
CO
NNECT
O
R
10A GAUGE
D 4
DATA
L
INK
CO
NNECTO
R
3
(SHIELDED)
BA
T
S
IL
CG
SG
From Absorber Control
ECU< 22–2>
From ABS and
Traction ECU<>
19–4>
From ABS ECU<20–3>
To ABS SOL Relay
< 19–4 < 20–3>
From ABS ECU
<20–3>
From ABS and
Traction ECU
<19–2>
From Airbag Sensor
Assembly<23–3>
From Cruise Control
ECU< 21–2>
From ABS and
Traction ECU< 19–4>
From Absorber Control
ECU< 22–3>
From ABS ECU< 20–3>
From ABS and Traction ECU
< 19–4>
From ABS ECU< 20–3>
From ABS and Traction ECU
< 19–2>
From Cruise Control ECU<21–>2>
From Airbag Sensor Assembly
< 23–>3>
From ABS and Traction ECU
< 19–4>>
From Absorber Control
ECU< 22–2>
From ABS ECU< 20––3>
From Airbag Sensor
Assembly< 23–3>
From Absorber
Control ECU
< 22–3>
From Cruise
Control ECU
< 21–2>
BR
E1
A/
D
T
EM
A
B
TC
E
1
+
B
TE
1
TS
(*1
)
TC
AB
S
TR
C
W
B
WA
D 1
D
A
TA
L
INK
CO
NNEC
T
OR 1
D 3
DATA L
INK
CONNE
CTOR 2
E
F
G
H
I
J
A
B
C
D
23
5
1
E
ngi
ne C
ont
ro
l
P
o
w
e
r S
our
c
e
*1:Short Pin
K
5
6
7
8
2 E
S
300
(Co
n
t’
d
)
(
C
on
t.
ne
xt
pa
ge
)
24
D
GR
16
D
BR–Y
15
D
LG–B
12
D
W–R
27
A
L
28
A
G
25
A
B
26
A
W
19
A
BR–W
9A
V
5A
LG–B
16
A
B–Y
12
A
V–W
34
D
BR
33
D
BR
28
D
BR
16
B
BR
1D
BR
19
C
B
10
B
Y–R
13
C
W
11
B
L–B
22
D
Y–B
23
D
R–W
2B
LG
12
B
Y–G
8B
W–R
6B
R–Y
18
A
B
17
A
P–B
18
C
G–R
3B
G–R
ED
Sur
g
e
tank R
H
EE
R
e
a
r s
ide
o
f
s
u
rg
e t
ank
1
2
1
2
1
2
1
2
IK
3
6
IK
1
5D
G
6D
R–L
7D
W
8D
Y
9D
R
10
D
L
14
A
B–Y
5B
L–W
23
A
B–Y
B–R
B–R
B–R
B–R
B–R
B–R
1
2
1
2
1
2
1
2
1
2
1
2
8A
BB
BB
BA
BA
9I
K
3
J28
A , J29
B
JUNCTION CONNECTOR
B–
R
B–Y
BR
BR
BR
BR
BR
BR
BR
B–
Y
B–
Y
B–
Y
B–
Y
B–
Y
B–
Y
B–
Y
B–
Y
13
A
A
A
A
A
A
A
A
A
A
11
33
AA
AAA
A
24
24
2
4
A
A
A
A
A
A
A
BR
B–
Y
BR
BR
G–
R
G–
R
B–
Y
BR
BR
A
A
BR
BR
BR
BR
B–
Y
2
13
2
B–Y
BR
B–Y
A
E 7
A
,
E
8
B
,
E
9
C
,
E10
D
EN
GI
N
E
CONTRO
L
M
O
DULE
W
B–
Y
B–
R
L–
W
B–
Y
B–Y
B–Y
J2
2
J
UNCTI
O
N C
O
NN
ECTOR
I 6
INJECTOR NO. 1
I 7
INJECTOR NO. 2
I 8
INJECTOR NO. 3
I 9
INJECTOR NO. 4
I10
INJECTOR NO. 5
I11
INJECTOR NO. 6
(SHIELDED)
(SHIELDED)
(SHIELDED)
H10
HEATED OXYGEN SENSOR
(Bank 1 Sensor 2)
H 5
HEATED OXYGEN SENSOR
(Bank 1 Sensor 1)
H 6
HEATED OXYGEN SENSOR
(Bank 2 Sensor 1)
V 6
VSV(Intake Air Control)
V 7
VSV(Vapor Pressure Sensor)
V 4
VSV(EGR)
V 5
VSV(EVAP)
I 1
IDLE AIR CONTROL
VALVE
J23
J
UNC
TI
ON
CONNE
CTO
R
J24
J
UNC
T
ION
CO
NNECTOR
BR
BR
BR
BR
A
B
C
D
E
F
G
H
I
J
B–Y
B
C
A
From Igniter
< 1–2> <1–3>
From ABS and Traction
ECU<19–2>
2
To A/C Control
Assembly< 27–8>
To Speedometer
[Comb. Meter]< 26–2>
W
+
B
T
C
B
A
T
T
#
1
0#
2
0
#
3
0#
4
0
#
5
0#
6
0
S
IL
S
P
D
A
/C
W
F
C
H
TS
O
X
S
A
CI
S
T
P
C
E
G
R
E
VP1
R
S
O
R
SC
+B
E
1
HT
O
X
OX
HT
E1
+B
OX
HT
E1
+B
HTR
O
XR1
H
T
L
OXL1
ADJ
2
E1
E
0
3
E
02
E0
1
IG
T
1
IG
T
2
IG
T
3
IG
F
TR
C–
TRC+
EFI
–
EFI
+
NE
O
THW
O
ACT
From A/C Control
Assembly< 27–8>
A
E
ngi
ne C
ont
ro
l
K OVERALL ELECTRICAL WIRING DIAGRAM
9
10
11
12
2 E
S
300
(Co
n
t’
d
)
8C
P
21
C
L–Y
7B
R–B
7C
L
1C
Y
13
B
L–R
15
B
W–G
14
B
G–Y
20
C
G–B
22
C
BR
3A
G–O
2A
B–Y
24
A
G–W
2
E
C1
4
E
C
1
1
E
C1
3
E
C1
11
1
2
1
2
1
1
2
1
4
C
1
5C
5C
6C
1
7
C
1
3D
3
1
D
8I
K
2
BR
BR
W
W
W
W
B–R
BR
L
B–W
L
GR
B–L
B–
Y
BR
BR
B
R
B
R
BR
YY
BR
BR
513
3
3
2
1
3
42
1
2
Y
Y
BR
BR
BR
BR
GR
E 7
A
,
E
8
B
, E 9
C
D
, E
1
0
E
NGI
N
E CO
NTROL
M
O
DUL
E
BR
From Stop Light SW
< 6–4>
From ” MIRROR–HEATER”
Fuse< 18–1>
From ” TAIL” Fuse
< 6–2>
E 4
ENGINE COOLANT
TEMP. SENSOR
E 1
EGR GAS TEMP.
SENSOR
E 2
EGR VALVE POSITION
SENSOR
V 1
VAPOR PRESSURE
SENSOR
T 2
THROTTLE POSITION
SENSOR
M 1
MASS AIR FLOW
METER
(SHIELDED)
(SHIELDED)
(SHIELDED)
(SHIELDED)
(SHIELDED)
(SHIELDED)
From Park/Neutral
Position SW< 1–2
C 1
CAMSHAFT POSITION
SENSOR
C 2
CRANKSHAFT POSITION
SENSOR
A
B
C
B–W
PS
ST
A
G2
2
+
NE–
NE
+
KNK
R
KN
K
L
PT
NK
VC
C
V
G
THA
E
2
G
V
T
A1
VC
PTNK
EGLS
THG
T
HW
E2
E
L
S
E
L
S
2
S
TP
E2
E2
VC
VTA
P 2
POWER STEERING
OIL PRESSURE SW
K 1
KNOCK SENSOR 1
K 2
KNOCK SENSOR 2
2
1
1
2
9B
1
3
A
1I
K
2
G–W
G–W
FA
FA
DB
D
B
B–O
B–O
B–O
B–O
From FAN NO. 1 Relay
< 18–3>
To A/C Control Assembly
< 27–8>
To Absorber Control ECU
< 22–5>
To Tachometer[Comb. Meter]
< 26–2>
CF
T
A
CH
J28
A , J29
B
JUNCTION CONNECTOR
E
n
g
ine C
o
n
tr
o
l
K
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