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BE-34
BODY ELECTRICAL - WIPER AND WASHER SYSTEM
BE23Z-01
w/ Mist
MIST
INSPECTION
1. INSPECT FRONT WIPER AND WASHER SWITCH
OFF
CONTINUITY
LO w/ Mist:
Tester connection Switch position Specified condition
HI
7 - 16 OFF Continuity
w/ Intermittent
MIST Continuity
OFF 7 - 17
LO Continuity
INT 8 - 17 HI Continuity
2 - 11 Washer ON Continuity
LO
w/ Intermittent:
HI
Tester connection Switch position Specified condition
OFF Continuity
7 - 16
INT Continuity
9 8 7 6 5 4 3 2 1 7 - 17 LO Continuity
18 17 16 15 14 13 12 11 10 8 - 17 HI Continuity
2 - 11 Washer ON Continuity
N18027
If the continuity is not as specified, replace the switch.
2. INSPECT INTERMITTENT OPERATION
7 2 (a) Turn the wiper switch to INT position.
(b) Turn the intermittent time control switch to FAST position.
(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, then check
16
that the meter needle indicates battery positive voltage.
N10429
INT time control
switch position Voltage
Approx. 1 - 3 sec.
FAST Battery positive voltage
0 volt
Approx. 10 - 15 sec.
SLOW Battery positive voltage
0 volt
V03883
If the operation is not as specified, replace the wiper and wash-
er switch.
2002 4RUNNER (RM887U)
Author : Date : 1502
BE-35
BODY ELECTRICAL - WIPER AND WASHER SYSTEM
w/ Mist
3. INSPECT REAR WIPER AND WASHER SWITCH CON-
TINUITY
Tester connection Switch position Specified condition
Washer 2
2 - 12 Washer 1 Continuity
ON
- Wiper OFF No continuity
INT 2 - 13 Wiper INT Continuity
2 - 10 Wiper ON Continuity
OFF
2 - 10 - 12 Washer 2 Continuity
Washer 1 If the continuity is not as specified, replace the switch.
w/ Intermittent
9 8 7 6 5 4 3 2 1
18 1716 15 14 1312 11 10
N18028
4. INSPECT WASHER LINKED OPERATION
7 2 (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 the washer switch, and check that the voltage
16 changes as shown in the chart.
Washer Switch ON
I22506
OFF
Less than 1sec. Approx. 3 sec.
Battery Voltage
Ov
N11301
If the operation is not as specified, replace the wiper and wash-
er switch.
5. Low Speed:
2
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and
the negative (-) lead from the battery to the motor body, and
check that the motor operates at low speed.
If the operation is not as specified, replace the motor.
N18039
2002 4RUNNER (RM887U)
Author : Date : 1503
BE-36
BODY ELECTRICAL - WIPER AND WASHER SYSTEM
6. High Speed:
1
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 1 and
the negative (-) lead from the battery to the motor body, and
check that the motor operates at high speed.
If the operation is not as specified, replace the motor.
N18040
7. Stopping at Stop Position:
2
INSPECT FRONT 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 the positive (+) lead from terminal 2.
N18041
(b) Connect terminals 2 and 3.
2
(c) Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead from the battery to the motor
body, and check that the motor stops running at the stop
4 position after the motor has operated again.
If the operation is not as specified, replace the motor.
3
N18042
8. INSPECT REAR WIPER MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1, and the negative (-) lead to terminal 3, then check that
the motor turns clockwise.
3 1
N18043
(b) Reverse the polarity, and check that the motor turns coun-
terclockwise.
If the operation is not as specified, replace the motor.
3 1
N18044
2002 4RUNNER (RM887U)
Author : Date : 1504
BE-37
BODY ELECTRICAL - WIPER AND WASHER SYSTEM
9. INSPECT REAR WIPER MOTOR CONTINUITY
3 1 Connect the positive (+) lead from the battery to terminal 3, and
the negative (-) lead to terminal 1, then inspect the continuity
6 between terminals.
4 Tester connection Motor link position Specified condition
5
4-5-6 A Continuity
5-6 B Continuity
- C No continuity
If the continuity is not as specified, replace the motor.
A
B
C
N18045
I10168 I22534
w/o Daytime 10. w/o Daytime Running Light:
Running 1 2 INSPECT FRONT WASHER MOTOR OPERATION
Light Connect the positive (+) lead from the battery to terminal 1, and
the negative (-) lead to terminal 2, then check that the motor op-
erates.
NOTICE:
These tests must be performed quickly (within 20 seconds)
to prevent the coil from burning out.
N18128
w/ Daytime 11. w/ Daytime Running Light:
Running 2
1
INSPECT FRONT WASHER MOTOR OPERATION
Light
Connect the positive (+) lead from the battery to terminal 2, and
the negative (-) lead to terminal 1, then check that the motor op-
erates.
NOTICE:
These tests must be performed quickly (within 20 seconds)
to prevent the coil from burning out.
N18129
w/o Daytime 12. w/o Daytime Running Light:
Running INSPECT REAR WASHER MOTOR OPERATION
Light Connect the positive (+) lead from the battery to terminal 3, and
the negative (-) lead to terminal 4, then check that the motor op-
3 4 erates.
NOTICE:
These tests must be performed quickly (within 20 seconds)
to prevent the coil from burning out.
N18130
2002 4RUNNER (RM887U)
Author : Date : 1505
BE-38
BODY ELECTRICAL - WIPER AND WASHER SYSTEM
w/ Daytime 13. w/ Daytime Running Light:
Running INSPECT REAR WASHER MOTOR OPERATION
Light Connect the positive (+) lead from the battery to terminal 5, and
the negative (-) lead to terminal 4, then check that the motor op-
5 4 erates.
NOTICE:
These tests must be performed quickly (within 20 seconds)
to prevent the coil from burning out.
N18131
2002 4RUNNER (RM887U)
Author : Date : 1506
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