Nissan Xterra. Manual — part 729
WASHER SWITCH
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WASHER SWITCH
Description
INFOID:0000000009484702
• Washer switch is integrated with combination switch.
• Combination switch (wiper and washer switch) switches polarity between front washer operating and rear
washer operating to supply power and ground to the front and rear washer motor.
Component Inspection
INFOID:0000000009484703
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT WASHER SWITCH
1. Turn the ignition switch OFF.
2. Disconnect combination switch (wiper and washer switch).
3. Check continuity between the combination switch (wiper and washer switch) terminals.
Does continuity exist?
YES
>> GO TO 2.
NO
>> Replace combination switch (wiper and washer switch). Refer to
.
2.
CHECK REAR WASHER SWITCH
1. Check continuity between the combination switch (wiper and washer switch) terminals.
ALLIA0350GB
A: Terminal 14
B: Terminal 12
C: Terminal 13
D: Terminal 11
JPLIA0164GB
Combination switch (wip-
er and washer switch)
Condition
Continuity
Terminal
11
12
Front washer switch ON
Yes
13
14
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WASHER SWITCH
Does continuity exist?
YES
>> Wiper and washer switch is normal.
NO
>> Replace combination switch (wiper and washer switch). Refer to
.
A: Terminal 14
B: Terminal 12
C: Terminal 13
D: Terminal 11
JPLIA0164GB
Combination switch (wip-
er and washer switch)
Condition
Continuity
Terminal
11
14
Rear washer switch ON
Yes
12
13
WASHER MOTOR CIRCUIT
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WASHER MOTOR CIRCUIT
Diagnosis Procedure
INFOID:0000000009484704
Regarding Wiring Diagram information, refer to
or
1.
CHECK FRONT AND REAR WASHER MOTOR FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuse is not blown.
Is the fuse blown?
YES
>> Replace the fuse after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK WIPER AND WASHER SWITCH INPUT VOLTAGE
1. Disconnect combination switch (wiper and washer switch).
2. Turn the ignition switch ON.
3. Check voltage between combination switch (wiper and washer switch) harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK WIPER AND WASHER SWITCH GOURND CIRCUIT
Check continuity between combination switch (wiper and washer switch) harness connector and ground.
Does continuity exist?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK WIPER AND WASHER SWITCH
Check wiper and washer switch. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace wiper and washer switch. Refer to
WW-79, "Removal and Installation"
5.
CHECK FRONT AND REAR WASHER MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Connect combination switch (wiper and washer switch).
Unit
Location
Fuse No.
Capacity
Front and rear washer mo-
tor
Fuse block (J/B)
15
10A
Terminals
Voltage
(Approx.)
(+)
(-)
Combination switch (wiper and
washer switch)
Ground
Connector
Terminal
M28
14
Battery voltage
Combination switch (wiper and
washer switch)
Ground
Continuity
Connector
Terminal
M28
12
Yes
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WASHER MOTOR CIRCUIT
3. Disconnect front and rear washer motor.
4. Turn ignition switch ON.
5. Check voltage between front and rear washer motor harness connector and ground.
Is the measurement value normal?
YES
>> Replace front and rear washer motor. Refer to
WW-78, "Removal and Installation"
NO
>> Repair or replace harness.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(-)
Front and
rear wash-
er motor
Terminal
E105
1
2
Washer
switch
Front: ON
Battery voltage
2
1
Rear: ON
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