Starting and Ignition
8
ACC B–R
IF6
2 AM1 IG1
8 1C
ST1 1 G–Y
7 AM2 IG2 6 B–R
15A
G–Y
IGN
ST2 8 B–W
W–R
I14
3 IF3 Ignition SW 7 IF6 5 IF6
8 1L
G–Y
W–R
W
B–R
7 1J
8 7
B–Y
1H 1K
2 2A 2 1E
B–R
B–W
E2
8 1K 9 1L
G–Y
5A 30A
B–Y
B–Y
AM1 AM2
G–Y
B–R
I6
1 1
G–Y
2 2E 2 1A
5 1 9 1
Park/Neutral
Position SW
Noise Filter
P
(Ignition)
ST
B–G
B–G
Relay N
N1
A4
3 2 6
1 1 1 1
B–Y
2
W–B
B–R
120A
ALT
B–Y
3 1C
G–Y
1
1 7 1L
B–G
B–R
FL MAIN
3. 0W 1 A
B–R 1
B M
S 2(A), S 3(B)
Starter
Battery
W–B
EC
2002 LEXUS ES 300 (EWD458U)
60
B–Y
B–R
G–Y
G–Y
8 D
NSW
B–Y
9 D
STA
2
1
W–R B–R
+B
IGF
3
4
R–W R–W W–B
8 E
IGT
IGT1
GND
I1
Ignition Coil and Igniter No. 1
2
1
W–R W–R B–R
23 E
+B
E2
E2
IGF
IGF
3
4
P P W–B
9 E
E2
IGT
IGT2
GND
I2
W–R
Ignition Coil and Igniter No. 2
2
1
W–R B–R
+B
E2
IGF
E 9(D), E10(E)
3
4
LG–B LG–B W–B
10 E
IGT
IGT3
GND
Engine Control Module
I3
B–R
W–B
W–R
Ignition Coil and Igniter No. 3
2
1
W–R B–R
+B
E2
IGF
3
4
L–Y L–Y W–B
11 E
IGT
IGT4
GND
2002 LEXUS ES 300 (EWD458U)
I4
W–R
Ignition Coil and Igniter No. 4
2
1
W–R B–R
+B
E2
E2
IGF
3
4
G–R G–R W–B
12 E
E2
IGT
IGT5
GND
I5
Ignition Coil and Igniter No. 5
B–R
W–B
2
1
W–R B–R
+B
IGF
3
4
L L W–B
13 E
IGT
IGT6
GND
I6
Ignition Coil and Igniter No. 6
W–B
EF
61
Starting and Ignition
Service Hints
I14 Ignition SW
2–1 : Closed with the ignition SW at ST position
7–6 : Closed with the ignition SW at ON or ST position
7–8 : Closed with the ignition SW at ST position
A4 Park/Neutral Position SW
9–6 : Closed with the A/T shift lever in P or N position
S2 (A), S3 (B) Starter
Point closed with the Park/Neutral position SW at P or N position and the ignition SW at ST position
: Parts Location
Code See Page Code See Page Code See Page
A4 36 I3 37 N1 37
E9 D 38 I4 37 S2 A 37
E10 E 38 I5 37 S3 B 37
I1 37 I6 37
I2 37 I14 39
: Relay Blocks
Code See Page Relay Blocks (Relay Block Location)
1 22 Engine Room R/B (Engine Compartment Left)
: Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
1A
1C
1E 25 Engine
g Room Main Wire and Engine
g Room J/B (Engine
( g Compartment Left))
1H
1J
1K
25 Engine Wire and Engine Room J/B (Engine Compartment Left)
1L
2A 28 Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2E 28 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
: Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IF3
46 Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)
IF6
: Ground Points
Code See Page Ground Points Location
EC 44 Left Fender
EF 44 Intake Side of Cylinder Block
: Splice Points
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
E2 44 Engine Wire I6 48 Engine Wire
2002 LEXUS ES 300 (EWD458U)
62