Lexus ES300 (2002 year). Manual - part 51

78

Engine Immobiliser System

20A
EFI

1B

9

10A
IG2

From Power Source System (See Page 56)

1C

7

IF5

7

B

2

A

9

2

3

1

5

1C

4

1C

5

2G

5

2G

17

A

2

ED

1B

3

A

8

C

1

C

7

E

7

E

6

C

4

D

7

D

6

EF

EE

I 6

W–

B

BR

W–

B

W–

B

W–

B

W–

B

W–

B

W

–

B

W–

B

W–

B

W–

B

W–

B

W–

B

BR

B–

W

W–

B

B–

W

B–

R

B–

Y

B–

R

B–

Y

B–

O

B

–

O

Engine Control Module

E 6(A), E 7(B), E 8(C), E 9(D), E10(E)

E1

E03

E01

E02

ME01

E04

E05

MREL

+B1

BATT

IGSW

A

A

EF

I R

e

la

y

I 2

A

1

B–

R

+B

B–

R

2G

8

2G

20

J

unc

ti

on

C

onn

ec

tor

J1

1

2Q

3

B–

R

C

C

J

unc

ti

on

C

onn

ec

tor

J 6

B

26

L–

Y

TXCT

R–

L

27 B

RXCK

CODE

B

15

G–

W

1

5

3

4

+B

TXCT

RXCK

CODE

B–

R

IB

W–

B

A

J

unc

ti

on

C

onn

ec

to

r

J 4

GND

7

W–

B

ANT1

ANT2

Transponder
Key Coil

Transponder Key
Amplifier

I13

(* 1)
(* 2)

3B

3B

16

36

3B

3B

26

46

2

1

L

3A

75

55 3A

8 2M

SB

W–

B

(* 1)
(* 2)

IA

W–

B

U

n

lo

ck W

a

rn

in

g

 S

W

U 1

2R

8

B

16

IMLD

A1

4

A

/C Co

n

tr

o

l

A

sse

m

b

ly

(*1)

(*1)
(*2)

3B

3B

14

34

V

3B

3B

24

44

V

(*2)

LP

10

IK1

4

V

J 1

J

unc

ti

on

C

onn

ec

tor

A

A

W–

B

(* 2)

118

98

3B
3B

98
78

3B
3B (* 2)

(* 1)

(* 1)

*  1 : w/ VSC
*  2 : w/o VSC

A

15

BR

EOM

IL1

16

A

BR

BR

L

34 B

KSW

W

IF4

4

79

E6 (A), E7 (B)  Engine Control Module

BATT–Ground : Always approx. 12 volts

IGSW–Ground : Approx. 12 volts with ignition SW at ON or ST position

EOM–Ground : Always continuity
KSW–Ground : Continuity with the key in cylinder

  :  Parts Location

Code

See Page

Code

See Page

Code

See Page

A14

38

E9

D

38

J4

39

E6

A

38

E10

E

38

J6

39

E7

B

38

I13

39

J11

39

E8

C

38

J1

39

U1

39

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

1B

25

Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)

1C

25

Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)

2G

28

Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)

2M

2Q

29

Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)

2R

(

)

3A

34 (w/ VSC)

3A

35 (w/o VSC)

Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)

3B

34 (w/ VSC)

Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)

3B

35 (w/o VSC)

: Connector Joining Wire Harness and Wire Harness

Code

See Page

Joining Wire Harness and Wire Harness (Connector Location)

IF4

46

Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)

IF5

46

Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)

IK1

48

Instrument Panel Wire and Instrument Panel Wire (Instrument Panel Reinforcement RH)

IL1

48

Engine Wire and Instrument Panel Wire (Behind the Glove Box)

: Ground Points

Code

See Page

Ground Points Location

ED

44

Left Fender

EE

44

Left Side of Cylinder Head

EF

44

Intake Side of Cylinder Block

IA

46

Instrument Panel Reinforcement LH

IB

46

Instrument Panel Brace LH

: Splice Points

Code

See Page

Wire Harness with Splice Points

Code

See Page

Wire Harness with Splice Points

I2

48

Engine Room Main Wire

I6

48

Engine Wire

Service Hints

80

Electronically Controlled Transmission and A/T Indicator

1

120A
ALT

1

2E

2

5A
AM1

2A

2

2

1

AM1

ACC

IG1

ST1

IF6

5

1J

7

1L

9

1K

8

P

N

6

9

20A
EFI

1B

9

10A
IG2

From Power Source System (See Page 56)

1C

7

IF5

7

3A

51

3A

91

D

9

D

8

B

2

A

9

2

3

1

5

1C

4

1C

5

2G

5

2G

17

A

2

ED

1B

3

A

8

C

1

C

7

E

7

E

6

C

4

D

7

D

6

EF

EE

I 6

B

19

IK1

7

I 6

E

19

E

18

E

31

E

21

2

3

1

BR

W–

B

BR

W–

B

W–

B

W–

B

W–

B

W–

B

W

–

B

W–

B

W–

B

W–

B

W–

B

W–

B

BR

B–

Y

B–

Y

B–

W

W–

B

B–

W

B–

R

B–

Y

B–

R

B–

Y

B–

O

G–

Y

B–

O

G–

W

G

–

W

BR

BR

LG

B–

R

Y

G–

B

SB

Engine Control Module

E 6(A), E 7(B), E 8(C), E 9(D), E10(E)

T

h

ro

tt

le

 P

o

s

iti

on

 S

e

n

so

r

T 3

E

ngi

ne 

C

o

o

lan

t 

T

e

m

p

. 

 S

ens

o

r

E 3

P

a

rk

/N

e

u

tra

l

Po

s

it

io

n

 SW

A 4

Battery

E1

E03

E01

E02

ME01

E04

E05

VTA1

VTA2

VC

THW

NSW

STA

MREL

+B1

BATT

IGSW

STP

B–

G

2

1

B–

G

W

W

G–Y

Ignition SW

I14

G–

Y

4

A

A

FL MAIN
3. 0W

EF

I R

e

la

y

1

2

I 6

1K

7

B–

Y

G–

Y

G–

Y

I 2

A

1

B–

R

+B

B–

R

2G

8

2G

20

J

unc

ti

on

C

onn

ec

tor

J1

1

VC

E2

VTA

VTA2

81

2M

4

2G

7

15A
STOP

From Power Source System (See Page 56)

2G

13

E

28

E

30

E

17

E

16

D

17

D

16

D

19

D

18

D

12

I 6

B

17

B

8

B

10

B

20

B

23

B

11

L–B

Y

W–L

L–W

Y–B

R–B

BR

W

BR

BR

–

W

G

Y–

R

Y–

B

L–

Y

L–R

R–

B

B–

W

GR

SB

G–W

2

1

2

1

D

27

D

26

D

35

D

34

L

LG

R

G

R–

B

Y–

B

L–

W

W–

L

Engine Control Module

Electronically Controlled Transmission Solenoid

E 1(A), E 2(B)

S

top 

L

ight S

W

S1

3

T

u

rb

ine S

peed 

S

ens

or

T 4

C

ount

er

 G

ear

 S

peed S

ens

or

C 1

E2

THO

SLT+

SLT–

SL2+

SL2–

SL1+

SL1–

SR

NT+

NT–

NC+

NC–

R

4

3

D

L

SPD

E2

OT

SLT+

SLT–

SL2+

SL2–

SL1+

SL1–

SR

1

2

D

13

L

S4

S4

D

15

D

14

G–

B

G–

R

SL3–

SL3+

SL3–

SL3+

A

4

A

1

B

1

B

5

B

4

B

8

B

3

B

7

B

2

B

6

A

3

A

6

IK1

6

IK1

2

L–

B

V–

W

V–W

9 B

2

Y

E 6(A), E 7(B), E 8(C), E 9(D), E10(E)

BR

O

O

G

GR

W

B

W–

L

BR

R

L

Y

W–

B

D

11

Y

DSL

DSL

A

2

W–

B

R