Nissan Leaf. Manual — part 1031
PWC-42
< DTC/CIRCUIT DIAGNOSIS >
ENCODER CIRCUIT
ENCODER CIRCUIT
Diagnosis Procedure
INFOID:0000000010119958
Regarding Wiring Diagram information, refer to
.
1.
CHECK ENCODER PULSE SIGNAL
1. Turn power switch ON.
2. Check signal between main power window and door lock/unlock switch harness connector and ground
with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK ENCODER SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect main power window and door lock/unlock switch connector and front power window motor LH
connector.
3. Check continuity between main power window and door lock/unlock switch harness connector and front
power window motor LH harness connector.
4. Check continuity between main power window and door lock/unlock switch harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
(+)
(-)
Signal
(Reference value)
Main power window and door lock/unlock switch
Connector
Terminal
D35
4
Ground
Refer to following signal
5
JMKIA5210GB
Main power window and door lock/unlock switch
Front power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D35
4
D37
4
Yes
5
5
Main power window and door lock/unlock switch
Ground
Continuity
Connector
Terminal
D35
4
No
5
ENCODER CIRCUIT
PWC-43
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
3.
CHECK ENCODER POWER SUPPLY
1. Connect main power window and door lock/unlock switch connector.
2. Turn power switch ON.
3. Check voltage between front power window motor LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK ENCODER POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.
3. Check continuity between main power window and door lock/unlock switch harness connector and front
power window motor LH harness connector.
4. Check continuity between main power window and door lock/unlock switch harness connector and
ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
5.
CHECK ENCODER GROUND CIRCUIT
1. Turn power switch OFF.
2. Check continuity between front power window motor LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK ENCODER GROUND CIRCUIT
1. Disconnect main power window and door lock/unlock switch connector.
2. Check continuity between main power window and door lock/unlock switch harness connector and front
power window motor LH harness connector.
3. Check continuity between main power window and door lock/unlock switch harness connector and
ground.
(+)
(-)
Voltage
(Approx.)
Front power window motor LH
Connector
Terminal
D37
1
Ground
Battery voltage
Main power window and door lock/unlock switch
Front power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D35
14
D37
1
Yes
Main power window and door lock/unlock switch
Ground
Continuity
Connector
Terminal
D35
14
No
Front power window motor LH
Ground
Continuity
Connector
Terminal
D37
6
Yes
Main power window and door lock/unlock switch
Front power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D35
12
D37
6
Yes
PWC-44
< DTC/CIRCUIT DIAGNOSIS >
ENCODER CIRCUIT
Is the inspection result normal?
YES
>> Replace front power window motor LH.
NO
>> Repair or replace harness.
7.
CHECK INTERMITTENT INCIDENT
GI-53, "Intermittent Incident"
>> Inspection End.
Main power window and door lock/unlock switch
Ground
Continuity
Connector
Terminal
D35
12
No
DOOR SWITCH
PWC-45
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
DOOR SWITCH
Component Function Check
INFOID:0000000010503116
1.
CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT.
2. Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, “DOOR SW-BK” in “Data
Monitor”.
3. Check that the function operates normally according to the following conditions:
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010503117
Regarding Wiring Diagram information, refer to
.
1.
CHECK DOOR SWITCH INPUT SIGNAL
1. Turn power switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.
Is the inspection result normal?
YES-1 >> Back door: GO TO 3.
YES-2 >> Other door: GO TO 4.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
Monitor item
Condition
Status
DOOR SW-DR
Front door LH
Open
ON
Closed
OFF
DOOR SW-AS
Front door RH
Open
ON
Closed
OFF
DOOR SW-RL
Rear door LH
Open
ON
Closed
OFF
DOOR SW-RR
Rear door RH
Open
ON
Closed
OFF
DOOR SW-BK
Back door
Open
ON
Closed
OFF
(+)
(–)
Signal
(Reference value)
Door switch
Connector
Terminal
Front LH
B48
3
Ground
7.0 - 8.0 V
Front RH
B49
Rear LH
B71
Rear RH
B53
Back door
D562
PKIB4960J
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст