Lexus ES300 (1997 year). Manual — part 631

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

WF

EW

B1

INT2

INT1

+S

+1

+2

+B

WASHER

HIGH

LOW

INT

OFF

17

8

7

16

2

11

L–

O

L–

B

L–

Y

L

FRONT WIPER AND WASHER SW
[COMB. SW]

C13

B

E

A

E

IM2

11

EC

L–

W

W–

B

L–

Y

L–

B

L–

O

L

L–

W

L

L

L

J

U

NC

T

IO

N

CO

NN

E

C

T

O

R

B

J3

1

, J3

2

A

W

W

L

L

W–

B

W–

B

W

–

B

W–

B

M

M

FRONT WIPER MOTOR

F 5

4

1

3

2

1

2

II

A

A

A

A

S

HE

R M

O

T

O

R

2

JU

N

C

T

ION

CO

NN

E

C

T

O

R

J1

7

A

JUNCTION
CONNECTOR

J15

5

2J

10

2F

4

2C

5

20A
WIPER

1C

4

1A

1

120

WIPER AND WASHER

121

WITH THE IGNITION SW TURNED ON, CURRENT FLOWS TO TERMINAL 17 OF THE FRONT WIPER AND WASHER SW. TERMINAL
2 OF THE WASHER MOTOR AND TERMINAL 2 OF THE FRONT WIPER MOTOR THROUGH THE WIPER FUSE.

1. LOW SPEED POSITION

WITH THE WIPER SW TURNED TO LOW POSITION, THE CURRENT FLOWS THROUGH TERMINAL 17 OF THE FRONT WIPER AND
WASHER SW TO TERMINAL 7

→

TERMINAL 1 OF THE FRONT WIPER MOTOR

→

TERMINAL 5

→

GROUND AND CAUSES THE

WIPER MOTOR TO RUN AT LOW SPEED.

2. HIGH SPEED POSITION

WITH THE WIPER SW TURNED TO HIGH POSITION, THE CURRENT FLOWS THROUGH TERMINAL 17 OF THE FRONT WIPER AND
WASHER SW TO TERMINAL 8

→

TERMINAL 4 OF THE FRONT WIPER MOTOR

→

TERMINAL 5

→

GROUND AND CAUSES THE

WIPER MOTOR TO RUN AT HIGH SPEED.

3. INT POSITION

WITH THE WIPER SW TURNED TO INT POSITION, THE RELAY OPERATES AND THE CURRENT WHICH IS CONNECTED BY RELAY
FUNCTION FLOWS THROUGH TERMINAL 17 OF THE FRONT WIPER AND WASHER SW TO TERMINAL 2

→

GROUND. THIS FLOW OF

CURRENT OPERATES THE INTERMITTENT CIRCUIT AND CURRENT FLOWS THROUGH TERMINAL 17 OF THE FRONT WIPER AND
WASHER SW TO TERMINAL 7

→

TERMINAL 1 OF THE FRONT WIPER MOTOR

→

TERMINAL 5

→

GROUND AND THE WIPER

FUNCTIONS.
THE INTERMITTENT OPERATION IS CONTROLLED BY A CONDENSER’S CHARGED AND DISCHARGED FUNCTION INSTALLED IN THE
RELAY AND THE INTERMITTENT TIME IS CONTROLLED BY A TIME CONTROL SW TO CHARGE THE CHARGING TIME OF
CONDENSOR.

4. WASHER CONTINUOUS OPERATION

WITH THE WIPER SW TURNED TO ON, THE CURRENT FLOWS THROUGH TERMINAL 2 OF THE WASHER MOTOR TO TERMINAL
1

→

TERMINAL 11 OF THE FRONT WIPER AND WASHER SW

→

TERMINAL 2

→

GROUND AND CAUSES THE WASHER MOTOR

TO RUN AND THE WINDOW WASHER TO JET. THIS CAUSES THE CURRENT TO FLOW TO WASHER CONTINUOUS OPERATION
CIRCUIT IN TERMINAL 17 OF THE FRONT WIPER AND WASHER SW

→

TERMINAL 7

→

TERMINAL 1 OF THE FRONT WIPER MOTOR

→

TERMINAL 5

→

GROUND AND THE WIPER FUNCTIONS.

C13

FRONT WIPER AND WASHER SW (COMB. SW)

0

2–GROUND : ALWAYS CONTINUITY

17–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION

1

7–GROUND : APPROX. 12 VOLTS WITH THE FRONT WIPER AND WASHER SW AT LOW POSITION

APPROX. 12 VOLTS 2 TO 12 SECONDS INTERMITTELTLY WITH THE FRONT WIPER AND WASHER SW AT INT POSITION

16–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON UNLESS THE FRONT WIPER MOTOR AT STOP POSITION

1

8–GROUND : APPROX. 12 VOLTS WITH THE FRONT WIPER AND WASHER SW AT HIGH POSITION

F 5

FRONT WIPER MOTOR

2–3 : CLOSED UNLESS THE FRONT WIPER MOTOR AT STOP POSITION

: PARTS LOCATION

CODE

SEE PAGE

CODE

SEE PAGE

CODE

SEE PAGE

C13

28

J17

29

W 2

27

F 5

26

J31

A

29

J15

29

J32

B

29

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR

CODE

SEE PAGE

JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)

1A

24

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

1C

24

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

2C

20

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

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)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

CODE

SEE PAGE

JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)

IM2

38

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

: GROUND POINTS

CODE

SEE PAGE

GROUND POINTS LOCATION

EC

34

LEFT RADIATOR SIDE SUPPORT

II

36

INSTRUMENT PANEL BRACE LH

SYSTEM OUTLINE

SERVICE HINTS

122

WIPER AND WASHER

X

2

X

X

X

X

7

8

X

X

11

X

X

X

X

16

1 7

X

1

2

3

4

5

A

A

A

A

A

A

(HIN T : S E E PA G E 7)

A

A

A

(H INT : SE E PAG E 7)

E

E

(H IN T : SE E PA G E 7)

E

E

(H IN T : SE E P A G E 7)

1

2

X

C 13

B LAC K

F 5

G R AY

J1 5

J1 7

BLU E

W 2

BLAC K

B

J3 2

A

J3 1

X

X

X

X

123

POWER OUTLET

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

IF

1

2

V

W–

B

W–

B

POWER
OUTLET

P 4

15A
POWER–OUTLET

1J

5

1V

3

1V

4

P 4

POWER OUTLET

2–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
1–GROUND : ALWAY CONTINUTIY

: PARTS LOCATION

CODE

SEE PAGE

CODE

SEE PAGE

CODE

SEE PAGE

P 4

29

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR

CODE

SEE PAGE

JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)

1J

24

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

1V

24

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

: GROUND POINTS

CODE

SEE PAGE

GROUND POINTS LOCATION

IF

36

COWL SIDE PANEL LH

1

2

P 4

SERVICE HINTS