Nissan Leaf. Manual — part 1301
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< DTC/CIRCUIT DIAGNOSIS >
FRONT WIPER MOTOR GROUND CIRCUIT
FRONT WIPER MOTOR GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010585744
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT WIPER MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Check continuity between front wiper motor harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Front wiper motor
Ground
Continuity
Connector
Terminal
E32
2
Yes
WASHER MOTOR CIRCUIT
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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 MOTOR CIRCUIT
Diagnosis Procedure
INFOID:0000000010585745
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT AND REAR WASHER MOTOR FUSE
1. Turn the ignition switch OFF.
2. Check 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 AND REAR WASHER MOTOR POWER SUPPLY
1. Disconnect the front and rear washer motor.
2. Turn ignition switch ON.
3. Check voltage between front and rear washer motor harness connector and ground.
Front washer motor signal operation
Rear washer motor signal operation
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 3.
3.
CHECK COMBINATION SWITCH
Check combination switch. Refer to
Is the inspection result normal?
YES
>> Repair harness between fuse and the front and rear washer motor.
NO
>> Replace combination switch. Refer to
BCS-73, "Removal and Installation"
.
Component
Capacity
Fuse No.
Location
Front and rear washer motor
10A
2
Fuse block (J/B)
Terminals
Washer switch
Voltage
(Approx.)
(+)
(-)
Front and rear washer motor
Ground
Connector
Terminal
E41
1
ON
Battery voltage
OFF
0 V
Terminals
Washer switch
Voltage
(Approx.)
(+)
(-)
Front and rear washer motor
Ground
Connector
Terminal
E41
2
ON
Battery voltage
OFF
0 V
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< DTC/CIRCUIT DIAGNOSIS >
WASHER SWITCH
WASHER SWITCH
Component Inspection
INFOID:0000000010122218
1.
CHECK WASHER SWITCH
1. Turn power switch OFF.
2. Disconnect combination switch connector.
3. Check continuity between the combination switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace combination switch (Wiper and washer switch). Refer to
BCS-73, "Removal and Installa-
.
A
: Terminal 4
B
: Terminal 6
C
: Terminal 3
D
: Terminal 1
JPLIA0164GB
Combination switch
Condition
Continuity
Terminal
3
4
Front washer switch ON
Yes
1
6
1
4
Rear washer switch ON
6
3
REAR WIPER MOTOR CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
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A
B
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REAR WIPER MOTOR CIRCUIT
Component Function Check
INFOID:0000000010585746
1.
CHECK REAR WIPER ON OPERATION
1. Select RR WIPER of BCM active test item.
2. With operating the test item, check rear wiper operation.
Is the inspection result normal?
YES
>> Rear wiper motor circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010585747
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR WIPER MOTOR OUTPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect rear wiper motor connector.
3. Turn ignition switch ON.
4. Select RR WIPER of BCM active test item.
5. While operating the test item, check voltage between rear wiper motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and rear wiper motor harness connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK REAR WIPER MOTOR GROUND OPEN CIRCUIT
On
: Rear wiper ON operation
Off
: Stop the rear wiper.
(+)
(
−)
Condition
Voltage
(Approx.)
Rear wiper motor
Connector
Terminal
D554
2
Ground
REAR WIPER
On
Battery voltage
Off
0 V
BCM
Rear wiper motor
Continuity
Connector
Terminal
Connector
Terminal
M29
54
D554
2
Yes
BCM
Ground
Continuity
Connector
Terminal
M29
54
No
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