Lexus SC300 / Lexus SC400. Manual — part 973
152
CRUISE CONTROL
: PARTS LOCATION
CODE
SEE PAGE
CODE
SEE PAGE
CODE
SEE PAGE
C 3
C19
P 3
C 8
C23
S12
C12
B
C24
T 6
C14
A
E 9
A
C15
E10
B
: RELAY BLOCKS
CODE
SEE PAGE
RELAY BLOCKS (RELAY BLOCK LOCATION)
2
ENGINE COMPARTMENT LEFT
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE
SEE PAGE
JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B
ENGINE ROOM MAIN WIRE
1E
INSTRUMENT PANEL WIRE
1H
1I
COWL WIRE
1K
COWL WIRE
3A
3C
3D
INSTRUMENT PANEL WIRE
3E
INSTRUMENT PANEL WIRE
3F
3H
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE
SEE PAGE
JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IE2
ENGINE ROOM MAIN WIRE AND COWL WIRE (BEHIND GLOVE BOX)
IG1
INSTRUMENT PANEL WIRE AND COWL WIRE (R/B NO. 5)
IJ1
ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IJ2
ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IK1
ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODE
SEE PAGE
GROUND POINTS LOCATION
EA
FRONT SIDE OF RIGHT FENDER
IG
INSTRUMENT PANEL BRACE LH
IH
UNDER THE ASHTRAY LH
: SPLICE POINTS
CODE
SEE PAGE
WIRE HARNESS WITH SPLICE POINTS
CODE
SEE PAGE
WIRE HARNESS WITH SPLICE POINTS
I 7
COWL WIRE
I 9
COWL WIRE
153
126
ECT AND A/T INDICATOR
2
1I
5
2
2
EB1
8
EB1
4
A
24
A
33
A
12
A
1
A
32
A
31
B
10
B
8
2
2
EB2
3
I33
IJ2
11
EB
B–Y
B–O
B–R
B–
Y
B–
O
B–
Y
B–
O
W–
B
B–
R
B–
Y
BR
–
Y
B–
O
B–
O
B–
R
B–
R
LG
R–
L
B–
R
W–
B
FROM POWER SOURCE SYSTEM(SEE PAGE 56)
30A
EFI
3
1
3
W
Y
M–REL
BATT
OD1
IGSW
+B1
+B
S1
S3
FR
O
M
CR
UIS
E
C
O
NT
RO
L
E
CU
(OD
)
7. 5A
IGN
2
1
4
3
ENGINE AND ECT ECU
ECT SOLENOID
E 9
, E10 B
A
NO
.
1
NO
.
3
EFI
MAIN
RELAY
4
B
9
W–
R
2
B
S2
NO
.
2
E 1
127
2
1
2
1
E18
E20
E20
I32
I32
B
27
B
4
B
28
A
20
B
29
B
42
B
63
B
41
B
43
B
64
B
65
B
44
B
23
B
3
ED
E18
L–
R
Y–
L
R–
B
BR
L–
R
Y
R
BR
BR
Y–
L
R–
B
L–
R
Y
R
BR
G
P
V
GR
–
Y
LG
B–
Y
BR
LG
BR
W–
B
BR
L
LG
GR–Y
BR
L–R
GR
–
Y
14
8
13
3
NE
E11
VF2
TE1
VF1
VTA2
IDL2
VC
VTA1
IDL1
E2
THW
SP2
SP2–
G1
T
VF1
E1
SUB THROTTLE POSITION
SENSOR
(W/ TRACTION CONTROL)
THROTTLE POSITION SENSOR
EF
I
W
AT
ER
T
EM
P
.
S
EN
SO
R
S
PEE
D
S
EN
SO
R
NO
.
2
(FO
R
E
C
T
)
ENGINE AND ECT ECU
CHECK CONNECTOR
VC
VTA
IDL2
E2
VC
VTA
IDL
E2
4
3
2
1
4
3
2
1
C 3
S4
E2
T 2
S 9
B
E 9
, E10
A
P
(W
/
T
R
A
C
T
IO
N
CO
N
T
RO
L
)
(W
/
T
R
A
C
T
IO
N
CO
N
T
RO
L
)
(W
/
T
R
A
C
T
IO
N
CO
N
T
RO
L
)
(W/
T
R
AC
T
IO
N
CO
NT
RO
L
)
BR
B
26
R
G1
B
25
Y
G2
B
7
B
G–
VF2
NE
G–
G2
B
79
W–
B
EO2
B
80
W–
B
EO1
I33
I33
B
69
BR
E1
W–
B
W–
B
2
3
4
1
D13
DISTRIBUTOR
BR
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