Lexus ES300 (1997 year). Service manual — part 639

150

THEFT DETERRENT

F

1

A

1

IG1

10

A

7

A

B

B

C

40A

B–

W

IG2

1

A

9

II

A

E

A

E

B

E

B

E

B

D

A

D

A

D

B

3

B

1

B

2

B

15

A

E

IP1

9

A

D

JUNCTION
CONNECTOR

B

J34

, J35

A

J

UNCT

IO

N

CO

N

N

E

C

T

O

R

B

J 8

, J

9

A

JUNCTION
CONNECTOR

B

J34

, J35

A

J

UNCT

IO

N

CO

NN

E

C

T

O

R

B

J1

0

,

J1

1

A

F 6

A

F

U

SI

BL

E L

IN

K

BL

O

C

K

PAR

K/

N

E

U

T

R

A

L

PO

SI

T

IO

N

SW

P 1

CTION

NNECTOR

JUNCTION
CONNECTO

J26

D 6

UNL

W

(IG

N

U 1

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

GR

G–

R

G–

R

G–

R

G–

R

B–

R

GR

R–

G

R–

W

TAIL

KSW

DSWD

L–

B

W–

B

W–

B

B–

G

R–

G

R–

W

R–

G

R–

B

R–

W

R–

G

R–G

R–

G

R–

W

R–

W

2

BA

T

T

E

R

Y

FL

M

A

IN

3.

0W

R–

G

DSWP

CTY

SRLY

W–

B

W

–

B

GR

THEFT DETERRENT ECU

B

T 3

, T 4

A

100

A

A

L

T

IK2

11

IK2

10

F

2

I 1

IG

A

4

W–

B

J1

6

B–

W

B–

W

B–

R

B–

R

W–

B

JU

N

C

T

IO

N

C

O

NNE

C

T

O

R

J3

4

A

A

B

A

B

A

B

A

B

JUNCTION
CONNECTOR

J10

A

F

,

F1

1

L–

B

L–B

IP1

7

1

B

5

A

2

IF2

6

IF1

2

B

14

LU

M

E

N

T

DO

S

W

L 1

F

U

E

L

L

ID

A

N

D

L

U

GGA

GE

C

O

M

PAR

T

M

EN

T

D

O

O

R

OP

E

N

F1

3

R–Y

L

R–

Y

L

4

L–

Y

R

W–

B

DSWL

TO

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TSW

2

1

OC

K

W

A

R

N

IN

G

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IT

IO

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)

1

1

1

1

DO

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URT

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SW F

R

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L

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D 9

DO

O

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CO

URT

E

S

Y

SW R

EAR

L

H

D1

1

DO

O

R

CO

URT

E

S

Y

SW R

EAR

R

H

D1

2

DO

O

R

CO

URT

E

S

Y

SW F

R

O

N

T

R

H

D1

0

DIODE

(COURTESY)

1

ER

SW

5

BL

LL

G

G

AG

E

C

O

M

PAR

T

O

R

O

PEN

E

R

M

A

IN

1

2

M

L

U

G

G

AG

E C

O

M

P

A

R

T

M

EN

T

L

IG

H

T

SW AN

D

L

U

G

G

AG

E C

O

M

P

A

R

T

M

EN

T

D

O

O

R

O

PEN

ER

M

O

T

O

R

L

7

1

2

P

N

5

6

B

R

B

C

C

J

UNC

T

IO

N

CO

NN

E

C

T

O

R

J 2

JUN
CO

J15

A

A

A

J

UNC

T

IO

N

CO

NN

E

C

T

O

R

A

1B

4

3

2

5

1

5A
STARTER

1J

3

1C

6

T

A

ILLI

G

H

T

RE

L

A

Y

2

3

1

5

2K

9

2J

11

MAIN

ST
RELAY

2

1D

7

1M

5

1M

3

1J

7

1G

1

1S

7

1G

4

1S

12

INTEGRATION
RELAY

6

4

151

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

1W

1

1G

8

IJ1

5

IG1

11

IJ1

7

IM1

4

A

A

A

C

B

11

B

12

B

13

A

1

A

6

A

3

A

8

B

B

B

A

2

A

A

JU

N

C

T

ION

CO

N

N

E

C

T

O

R

B

J

5

, J 6
A

N

OR

CTION

NNECTOR

ORN
ELAY

T

H

RE

NT

HO

T 1

R–

B

W–

L

W

–

L

G–

B

L–

W

W–

L

G–

B

W

G–

B

R

B–

R

P–

L

L–

W

P–

L

B–

R

RR

HEAD

SH

HORN

+B2

ACC

IG

+B1

1

1

1

IE2

11

IE2

3

IE2

4

IO2

4

IO2

3

IO2

11

BQ1

4

IF3

2

IE2

20

B

16

B

7

B

6

L–

R

R–

G

L–

W

L–R

R–

G

L–

W

L–R

R–

G

L–W

W–

B

W–

B

W–

B

F

B

B

1G

7

1V

3

IF

IL

IO2

20

B

8

B

17

BQ1

9

BR1

9

BN

B

A

C

W–

B

W–

B

W

–

B

W–

B

W

–

B

W–

B

W–

B

L–

Y

L

–Y

W–

B

W–

B

Y

L

L–W

L–

W

L

YY

L

W–B

BO

B 6

W–

B

IM

W–

B

B

C

B

C

B

18

A

A

L–Y

L–

Y

IP1

3

BR1

4

L–

Y

L–

Y

L–Y

IM1

3

IJ1

1

EC

B

4

II

BP

IF2

2

JUNCTION

J33

JUNCTION
CONNECTOR

R

J3

6

DO

O

C

T

IO

N

SW

D1

6

JU

CR

J

DO

D

UN

L

H

D1

DO

D

UN

RH

D1

DO

O

C

T

IO

N

SW

D1

7

DO

E

C

T

IO

N

SW

D1

D

D

R

D

C

O

U

R

T

E

SY SW

JUNCTION
CONNECTOR

B

J10

, J11

A

THEFT DETERRENT ECU

B

T 3

, T 4

A

W–

B

W–

B

W–

B

BB

B

R–

Y

G–

W

B

9

B

10

LSWD

UL3

L2

UL2

LSWP

LSWR

DSWH

IND

LUG

E

E

B

D

A

F

J

UNC

T

IO

N

CO

N

N

E

C

T

O

R

B

J

1

0

, J11
A

J1

9

J

UNC

T

IO

E

CT

O

R

IJ1

4

R–

Y

R–

B

R–

B

R–

B

R–B

B

C

B

C

JU

NCT

IO

N

CO

NNE

CT

O

R

J3

5

B

A

C

A

C

G–

W

J

UNCT

IO

N

CO

NNE

CT

O

R

J3

4

A

J

CO

R

J

UN

A

JUN
CO

J 7

1

4

1

3

2

1

2

3

4

1

4

4

2

1

2

B

B

B

A

B

B

B

JUNCTION
CONNECTOR

J37

J38

J

UNCT

IO

N

CO

NNE

CT

O

R UNL

O

C

K

DE

T

E

FR

O

N

T L

H

O

R

K

EY L

O

C

K

AN

L

O

C

K

S

W

FR

O

N

T

3

O

R

K

EY L

O

C

K

AN

L

O

C

K

S

W

FR

O

N

T

4

R UNL

O

C

K

DE

T

E

FR

O

N

T R

H

O

R

UN

L

O

CK

DE

T

RE

A

R

L

H

8

OOR

U

N

L

O

C

K

ET

E

C

T

IO

N

SW

EA

R

R

H

19

E

N

G

IN

E

H

OOD

E

5

T

H

E

F

T

DE

T

E

RRE

N

T

INDI

CA

T

O

R

[A

/C

C

O

N

T

R

O

L

ASSEM

BL

Y]

A1

4

L

U

G

G

AG

E C

O

M

PAR

T

M

EN

T

D

O

O

R

KE

Y U

N

L

O

C

K

SW

L 5

G–

W

14

5

UNL

O

C

K

LO

C

K

LO

C

K

LO

C

K

A

U

NCT

IO

N

O

N

NE

CT

15

GND

SECU

F

B

B

A

C

CONNECTOR

NCT

IO

N

O

NNE

CT

O

7

N

CO

NN

1

A

JUNCTIO
CONNECT

J 2

E

FT D

E

TE

R

RN

2

3

1

4

2K

8

HEAD
RELAY

10A
HORN

2F

3

2

3

1

5

2K

10

H
R

7. 5A
DOME

2J

12

15A
ECG–IG

1D

8

15A
CIG

1T

1

25A
DOOR

1D

1

A

B

A

B

B

B

B

B

B

B

B

B

A

B

A

B

B

B

B

B

B

152

THEFT DETERRENT

D13, D14 DOOR KEY LOCK AND UNLOCK SW FRONT LH, RH

3–1 : CLOSED WITH THE DOOR LOCK CYLINDER UNLOCKED WITH KEY
2–1 : CLOSED WITH THE DOOR LOCK CYLINDER LOCKED WITH KEY

D16, D17, D18, D19 DOOR UNLOCK DETECTION SW FRONT LH, RH, REAR LH, RH

1–4 : CLOSED WITH UNLOCK POSITION

E 5 ENGINE HOOD COURTESY SW

1–2 : CLOSED WITH THE ENGINE HOOD OPEN

U 1 UNLOCK WARNING SW (IGNITION KEY)

1–2 : CLOSED WITH THE IGNITION KEY IN CYLINDER

L 5 LUGGAGE COMPARTMENT DOOR KEY UNLOCK SW

1–2 : CLOSED WITH THE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER UNLOCK WITH KEY

L 7 LUGGAGE COMPARTMENT LIGHT SW

2–GROUND : CLOSED WITH THE LUGGAGE COMPARTMENT DOOR OPEN

T 3 , T 4 THEFT DETERRENT ECU

9–GROUND : APPROX. 12 VOLTS WITH THE SHIFT LEVER IN N OR P POSITION AND THE IGNITION SW AT ST POSITION

12–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
15–GROUND : CONTINUITY WITH THE IGNITION KEY IN CYLINDER
17–GROUND : CONTINUITY WITH THE FRONT RH DOOR TO UNLOCK POSITION

11–GROUND : ALWAYS APPROX. 12 VOLTS

7–GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW FRONT LH TO UNLOCK POSITION

16–GROUND : CONTINUITY WITH THE FRONT LH DOOR TO UNLOCK POSITION

1–GROUND : CONTINUITY WITH THE FRONT RH DOOR OPENED
2–GROUND : CONTINUITY WITH THE FRONT LH DOOR OPENED
6–GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW TO LOCK POSITION
4–GROUND : ALWAYS CONTINUITY
8–GROUND ; CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW FRONT RH TO UNLOCK POSITION
1–GROUND : ALWAYS APPROX. 12 VOLTS
9–GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER UNLOCK WITH KEY
3–GROUND : CONTINUITY WITH EACH DOOR OPEN
4–GROUND : CONTINUITY WITH THE ENGINE HOOD OPEN
5–GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR OPEN

13–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
18–GROUND : CONTINUITY WITH THE REAR DOOR TO UNLOCK POSITION

: PARTS LOCATION

CODE

SEE PAGE

CODE

SEE PAGE

CODE

SEE PAGE

A14

28

F11

F

26

J33

29

D 6

28

F13

28

J34

A

29

D 9

30

J 2

29

J35

B

29

D10

30

J 5

A

29

J36

30

D11

30

J 6

B

29

J37

30

D12

30

J 7

29

J38

30

D13

30

J 8

A

29

L 1

29

D14

30

J 9

B

29

L 5

30

D16

30

J10

A

29

L 7

30

D17

30

J11

B

29

P 1

27

D18

30

J15

29

T 1

27

D19

30

J16

29

T 3

A

29

E 5

26

J19

29

T 4

B

29

F 6

A

26

J26

29

U 1

29

SERVICE HINTS

X

X

1

2

1

1

1

1

1

2

3

1

2

3

1

4

1

4

1

4

A14

D 6 BLACK

D 9

D10

D11

D12

D13

D14

D16 BLACK

D17 BLACK

D18 BLACK

1 4

5

153

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR

CODE

SEE PAGE

JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)

1B

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1C

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1D

24

INSTRUMENT PANEL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1G

24

INSTRUMENT PANEL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1J

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1H

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1S

24

FLOOR WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1T

24

INSTRUMENT PANEL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1V

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

1W

24

COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)

2F

20

ENGINE ROOM MAIN WIRE AND ENGINE ROOM J/B (ENGINE COMPARTMENT LEFT)

2J

20

COWL WIRE AND ENGINE ROOM J/B (ENGINE COMPARTMENT LEFT)

2K

20

COWL WIRE AND ENGINE ROOM J/B (ENGINE COMPARTMENT LEFT)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

CODE

SEE PAGE

JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)

IE2

36

FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)

IF1
IF2

36

FLOOR WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)

IF3

36

FLOOR WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)

IG1

36

INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT SIDE OF INSTRUMENT PANEL J/B)

IG2

36

INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT SIDE OF INSTRUMENT PANEL J/B)

IJ1

38

INSTRUMENT PANEL WIRE AND COWL WIRE (UNDER THE GLOVE BOX)

IK2

38

ENGINE WIRE AND COWLWIRE (UNDER THE GLOVE BOX)

IH1

38

ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)

IO2

38

FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

IP1

38

FLOOR NO. 2 WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

BQ1

40

REAR DOOR LH WIRE AND FLOOR WIRE (LEFT CENTER PILLAR)

BR1

40

REAR DOOR RH WIRE AND FLOOR NO. 2 WIRE (RIGHT CENTER PILLAR)

: GROUND POINTS

CODE

SEE PAGE

GROUND POINTS LOCATION

EC

34

LEFT RADIATOR SIDE SUPPORT

IF

36

COWL SIDE PANEL LH

IG

36

LEFT KICK PANEL

II

36

INSTRUMENT PANEL BRACE LH

IL

36

RIGHT KICK PANEL

IM

36

RIGHT KICK PANEL

IN

40

UNDER THE LEFT CENTER PILLAR

BN

40

UNDER THE RIGHT CENTER PILLAR

BO

40

BACK PANEL CENTER

: SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

E 2

34

COWL WIRE

B 6

40

FLOOR NO. 2 WIRE