Nissan Maxima. Manual — part 1225
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< DTC/CIRCUIT DIAGNOSIS >
FRONT WIPER MOTOR GROUND CIRCUIT
FRONT WIPER MOTOR GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010048956
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect front wiper motor.
3. Check continuity between front wiper motor harness connector
and ground.
Does continuity exist?
YES
>> Front wiper motor ground circuit is normal.
NO
>> Repair or replace harness.
Front wiper motor
Ground
Continuity
Connector
Terminal
E25
2
Yes
ALLIA0819ZZ
WASHER SWITCH
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< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
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WASHER SWITCH
Description
INFOID:0000000010048957
• Washer switch is integrated with combination switch (wiper and washer switch).
• Combination switch (wiper and washer switch) supplies ground and fuse # 38 from the IPEM E/R supplies
power for the front washer motor to operate.
Component Inspection
INFOID:0000000010048958
Regarding Wiring Diagram information, refer to
.
1.
CHECK 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.
Is the measurement normal?
YES
>> Washer switch is normal.
NO
>> Replace combination switch (wiper and washer switch). Refer to
.
ABLIA2945GB
A: Terminal 1
B: Terminal 6
ALLIA0546GB
Combination switch (wip-
er and washer switch)
Condition
Continuity
Terminal
1
6
Washer switch ON
Yes
Washer switch OFF
No
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< DTC/CIRCUIT DIAGNOSIS >
WASHER MOTOR CIRCUIT
WASHER MOTOR CIRCUIT
Diagnosis Procedure
INFOID:0000000010048959
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT 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 FRONT WASHER MOTOR POWER SUPPLY
1. Disconnect front washer motor.
2. Turn ignition switch ON.
3. Check voltage between front washer motor harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK FRONT WASHER MOTOR CIRCUIT CONTINUITY
1. Turn the ignition switch OFF.
2. Disconnect combination switch (wiper and washer switch).
3. Check continuity between combination switch (wiper and washer switch) harness connector and front
washer motor.
Is the measurement normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK WIPER AND WASHER SWITCH GROUND CIRCUIT
Check continuity between combination switch (wiper and washer switch) harness connector and ground.
Does continuity exist?
Unit
Location
Fuse No.
Capacity
Front washer motor
IPDM E/R
38
10A
Terminals
Voltage
(Approx.)
(+)
(-)
Front washer motor
Ground
Connector
Terminal
E226
1
Battery voltage
Combination switch (wiper and washer switch)
Front washer motor
Continuity
Connector
Terminal
Connector
Terminal
M28
1
E226
2
Yes
Combination switch (wiper and washer switch)
Ground
Continuity
Connector
Terminal
M28
6
Yes
WASHER MOTOR CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
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N
O
P
YES
>> GO TO 6
NO
>> Repair or replace harness.
5.
CHECK FRONT WASHER MOTOR OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check continuity between IPDM E/R harness connector and front washer motor.
Does continuity exist?
YES
>> Replace IPDM E/R. Refer to
PCS-35, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK WIPER AND WASHER SWITCH
Check wiper and washer switch. Refer to
.
Is the inspection result normal?
YES
>> Replace front washer motor. Refer to
WW-82, "FRONT WASHER PUMP : Removal and Installa-
.
NO
>> Replace wiper and washer switch. Refer to
WW-85, "Removal and Installation"
IPDM E/R
Front washer motor
Continuity
Connector
Terminal
Connector
Terminal
E200
88
E226
1
Yes
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