Toyota Sequoia (2005). Manual - part 866

BE2AV–04

I07176

Washer ON

OFF

INT

LO

HI

I01313

7

2

16

V03883

Voltage

INT time control
switch position

FAST

SLOW

Approx. 1–3 sec.

Battery positive voltage
0 volt

Approx. 10–15 sec.

Battery positive voltage
0 volt

–

BODY ELECTRICAL

WIPER AND WASHER SYSTEM

BE–49

3453

INSPECTION

1.

INSPECT FRONT WIPER AND WASHER SWITCH
CONTINUITY

Switch position

Tester connection

Specified condition

OFF

7 – 16

Continuity

INT

7 – 16

Continuity

LO

7 – 17

Continuity

HI

8 – 17

Continuity

Washer ON

2 – 11

Continuity

If continuity is not as specified, replace the switch.

2.

INSPECT FRONT WIPER INTERMITTENT OPERA-
TION

(a)

Turn the wiper switch to the INT position.

(b)

Turn the intermittent time control switch to the FAST posi-
tion.

(c)

Connect the positive (+) lead from the battery to terminal
16 and the negative (–) lead to terminal 2.

(d)

Connect the positive (+) lead from the voltmeter to termi-
nal 7 and the negative (–) lead to terminal 2, and check
that the meter needle indicates battery positive voltage.

If operation is not as specified, replace the wiper and washer
switch.

I01313

7

2

16

N11301

Washer Switch ON

OFF

Battery Voltage

0 V

Less than 1 sec. Approx. 3 sec.

I06436

Washer 2

INT

Washer 1

OFF

ON

I01934

4

5

BE–50

–

BODY ELECTRICAL

WIPER AND WASHER SYSTEM

3454

3.

INSPECT FRONT WASHER LINKED OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
16 and the negative (–) lead to terminal 2.

(b)

Connect the positive (+) lead from the voltmeter to termi-
nal 7 and the negative (–) lead to terminal 2.

(c)

Push in the washer switch, and check that the voltage
changes as shown in the following illustration.

If operation is not as specified, replace the wiper and washer
switch.

4.

INSPECT REAR WIPER AND WASHER SWITCH CON-
TINUITY

Switch position

Tester connection

Specified condition

Washer 1

2 – 12

Continuity

OFF

–

–

INT

2 – 13

Continuity

ON

2 – 10

Continuity

Washer 2

2 – 10 – 12

Continuity

If continuity is not as specified, replace the wiper and washer
switch.

5.

Low Speed:
INSPECT WIPER MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 5 and
the negative (–) lead from the battery to the motor body or termi-
nal 4, and check that the motor operates at low speed.
If operation is not as specified, replace the motor.

I01935

4

3

I01936

4

5

I01937

1

2

4

5

I18560

Front Washer Motor:

2

Rear Washer Motor:

1

2

1

–

BODY ELECTRICAL

WIPER AND WASHER SYSTEM

BE–51

3455

6.

High Speed:
INSPECT WIPER MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 3 and
the negative (–) lead from the battery to the motor body or termi-
nal 4, and check that the motor operates at high speed.
If operation is not as specified, replace the motor.

7.

Stopping at Stop Position:
INSPECT WIPER MOTOR OPERATION

(a)

Operate the motor at low speed and stop the motor opera-
tion anywhere except at the stop position by disconnect-
ing positive (+) lead from terminal 5.

(b)

Connect terminals 1 and 5.

(c)

Connect the positive (+) lead from the battery to terminal
2 and the negative (–) lead from the battery to the motor
body or terminal 4, and check that the motor stops run-
ning at the stop position after the motor operates again.

If operation is not as specified, replace the motor.

8.

INSPECT WASHER MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 2 and
the negative (–) lead to terminal 1, and check that the motor op-
erates.
NOTICE:
These tests must be performed quickly (within 20 seconds)
to prevent the coil from burning out.
If operation is not as specified, replace the motor.

I11337

B

+1

+2

S

E

I11337

B

+1

+2

S

E

I23750

Automatic
Stop
Position

BE–52

–

BODY ELECTRICAL

WIPER AND WASHER SYSTEM

3456

9.

INSPECT REAR WIPER MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 5 and
the negative (–) lead from the battery to the motor body or termi-
nal 4, and check that the motor operates.
If operation is not as specified, replace the motor.

10.

Stopping at Stop Position:
INSPECT REAR WIPER MOTOR OPERATION

(a)

Operate the motor at low speed and stop the motor opera-
tion anywhere except at the stop position by disconnect-
ing positive (+) lead from terminal 3.

(b)

Connect terminals 2 and 5.

(c)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead from the battery to the motor
body or terminal 4, and check that the motor stops run-
ning at the stop position after the motor operates again.

If operation is not as specified, replace the motor.