Lexus ES300 (2002 year). Manual - part 9

133

1. Manual Unlock Operation

When the door lock control SW of the driver’s or passenger’s side door is pushed to UNLOCK, the door lock will unlock.

2. Manual Lock Operation

When the door lock control SW of the driver’s or passenger’s side door is pushed to LOCK, the door lock will lock.

3. Door Key Unlock Operation

∗

Unlock operation from driver’s side door

When the driver’s side door is unlocked once using the ignition key, only the driver’s side door is unlocked. If this operation is
repeated within 3 seconds, all the other doors are unlocked.

∗

Unlock operation from front passenger’s side door

When the front passenger’s side door is unlocked using the ignition key, all the other doors are unlocked, too.

Body ECU

1, 2, 3–Ground : Always approx. 12 volts

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

10–Ground : Approx. 12 volts with ignition SW at ACC or ON position

12, 24–Ground : Always continuity

D17  Driver Door ECU

2–Ground : Always continuity

9, 10–Ground : Always approx. 12 volts

F13  Front Passenger Door ECU

2–Ground : Always continuity

9, 10–Ground : Always approx. 12 volts

  :  Parts Location

Code

See Page

Code

See Page

Code

See Page

A14

38

D14

40

J6

39

B4

A

38

D15

40

J8

A

39

B5

B

38

D16

40

J9

B

39

B6

C

38

D17

40

J12

40

C7

A

38

E4

36

J13

40

C8

B

38

F10

39

L1

39

D8

40

F13

40

L5

40

D9

40

I13

39

T1

37

D10

40

I16

40

T6

39

D11

40

J1

39

T9

39

D12

40

J4

39

U1

39

: Relay Blocks

Code

See Page

Relay Blocks (Relay Block Location)

1

22

Engine Room R/B (Engine Compartment Left)

System Outline

Service Hints

134

Theft Deterrent and Door Lock Control

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

1B

1D

25

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

1H

g

g

(

g

)

2B

28

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

2C

28

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

2E

2F

28

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

2G

g

(

)

2H

28

Floor No 1 Wire and Driver Side J/B (Lower Finish Panel)

2K

28

Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)

2L

2M

2P

29

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

2Q

29

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

2R

2S

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)

EA2

44

Engine Room Main Wire and Engine Room No.2 Wire (Behind the Headlight LH)

IA2

46

Instrument Panel Wire and Floor No 1 Wire (Left Kick Panel)

IA3

46

Instrument Panel Wire and Floor No.1 Wire (Left Kick Panel)

IB1

46

Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)

IC1

46

Front Door LH Wire and Floor No.1 Wire (Left Kick Panel)

IE1

46

Instrument Panel Wire and Roof Wire (Lower Part of Front Pillar LH)

IF4

46

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

IF7

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)

IO4

48

Instrument Panel Wire and Floor No 2 Wire (Right Kick Panel)

IO5

48

Instrument Panel Wire and Floor No.2 Wire (Right Kick Panel)

IP1

48

Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)

IP2

48

Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)

BA1

50

Rear Door No.2 Wire and Floor No.1 Wire (Left Center Pillar)

BB1

50

Rear Door No.1 Wire and Floor No.2 Wire (Right Center Pillar)

: Ground Points

Code

See Page

Ground Points Location

ED

44

Left Fender

IA

46

Instrument Panel Reinforcement LH

IB

46

Instrument Panel Brace LH

ID

46

Instrument Panel Brace RH

IF

46

Instrument Panel Reinforcement RH

BA

50

Under the Driver’s Seat

BB

50

Under the Front Passenger’s Seat

BC

50

Front Side of Rear Quarter Wheel House LH

BD

50

Front Side of Rear Quarter Wheel House RH

136

Wireless Door Lock Control

13

IB1

7

GR

–

B

MPX1

GR

–

B

IC1

BA

2

W–

B

GND

W–

B

GR

–

L

GR

–

L

12

IB1

8

GR

–

L

From Power Source System (See Page 56)

B–

R

SIG

B–

R

20

BDR

L–

W

10

CPUB

W–

R

9

GR

–

R

MPX1

7

BDR

L–

O

F13
Front Passenger Door ECU

10

MPX2

GR

–

L

8

L–

O

L–

W

W–

R

IC1

10

9

IC1

GR

–

R

IP1

18

IP2

10

IP1

19

2

1

2B

8

20A
PWR NO. 2

IC1

8

2H

1

30A
PWR NO. 1

11

IF

W–

B

GND

W–

B

2

IP2

11

MPX2

GR–B

B–R

GR–R

W–R

W–

R

CPUB

9

IP2

9

W–

R

10

14

KUL

L

W–

B

KEYE

3

8

16

LSWD

LG

L–

Y

KL

4

9

W–

B

KEYE

3

7

16

LSWP

Y

Driver Door ECU

D17

IP2

7

IP2

2

L–

B

1

L–

R

IC1

2

IC1

7

L–

R

L–

B

D

oor

 Loc

k

 Mot

o

r F

ront

 R

H

D1

4

L–

B

L–

R

L–

R

L–

B

L–R

L–B

L–B

L–R

*  1 : w/ VSC
*  2 : w/o VSC

7

Door Key Lock and Unlock
SW Front LH

D12

Door Lock Motor Front LH

Door Unlock Detection SW
Front LH

Do

o

r Un

lo

c

k

 De

te

c

tio

n

 S

W

F

ront

 R

H

W–R

8

4

4

1

137

25A

DO

O

R

 NO

. 2

2K

12

2R

8

W–

B

From Power Source System (See Page 56)

B–

R

W–

R

2K

11

1

0

A EC

U

–

B

86 3A

56 3A

W

6 2M

W–R

W–R

GR–R

B–R

GR–B

B

1

3

BDR2

MPX1

B

11

MPX2

B

12

GR

–

R

GR

–

B

GND

12

Body ECU

B 4(A), B 5(B), B 6(C)

W–B

5 2C

11

E B

2H

D A

F B

11

ACT+

L–

R

L–

R

L–

B

L–R

L–B

L

–

B

IA3

ACTD

11 C

11

J 8(A), J 9(B)
Junction
Connector

B

E

A

E

B

F

(*1)
(*2)

3B

3B

26

46

L

3B

3B

27

47

1

2

L

3A

75

55 3A

8 2M

SB

W–

B

Un

lo

c

k

W

a

rn

ing S

W

U 1

B

4

R–

B

3 A

DRLP

20 A

C

o

m

b

in

ati

on Met

e

r

C 7

(A

), 

C

 8

(B

)

D

oor

(*1)
(*2)

A

19

KSW

W–

R

3A

66

W

L–R

L–B

L–B

L–R

L–R

L–

B

L

–

B

2C

6

ACT–

23

SIG

9

10

A

 E

C

U

–

IG

W