Nissan Pathfinder. Manual — part 937
PWC-44
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
POWER WINDOW MOTOR
Is the inspection result normal?
YES
>> Power window motor is OK.
NO
>> Replace rear power window motor RH. Refer to
GW-19, "Removal and Installation"
.
Terminal
Motor condition
(+)
(–)
1
2
DOWN
2
1
UP
ENCODER
PWC-45
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
ENCODER
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000009176143
Detects condition of the front power window motor LH operation and transmits to main power window and door
lock/unlock switch as pulse signal.
DRIVER SIDE : Component Function Check
INFOID:0000000009176144
1.
CHECK ENCODER OPERATION
Check front door glass LH perform AUTO DOWN operation normally with main power window and door lock/
unlock switch.
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-45, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000009176145
Regarding Wiring Diagram information, refer to
PWC-17, "Wiring Diagram - With Left Front Only Auto Down"
Encoder Circuit Check
1.
CHECK ENCODER OPERATION
1. Connect front power window motor LH.
2. Turn ignition switch ON.
3. Check signal between main power window and door lock/unlock switch connector D23 and ground with
oscilloscope.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front power window motor LH connector D9 and ground.
Signal name
Terminals
Signal
(Reference value)
(+)
(–)
Main power window and door lock/un-
lock switch connector
Terminal
Encoder signal 1
D23
5
Ground
Refer to following signal
Encoder signal 2
4
JMKIA5210GB
PWC-46
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
ENCODER
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and front power window motor LH.
3. Check continuity between main power window and door lock/unlock switch connector D23 and front
power window motor connector D9.
4. Check continuity between main power window and door lock/unlock switch connector D23 and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
.
NO
>> Repair or replace harness or connectors.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor LH.
3. Check continuity between front power window motor LH connector D9 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK HARNESS CONTINUITY 2
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/unlock switch connector D12 and front
power window motor LH connector D9.
Is the inspection result normal?
YES
>> Check main power window and door lock/unlock switch. Refer to
MAIN SWITCH : Component Inspection"
NO
>> Repair or replace the harness or connectors.
6.
CHECK HARNESS CONTINUITY 3
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window D23 and door lock/unlock switch connector and front
power window motor LH connector D9.
Terminal
Voltage
(Approx.)
(+)
(–)
Front power window motor LH connector
Terminal
D9
4
Ground
10
Main power window and door lock/
unlock switch connector
Terminal
Front power window motor LH
connector
Terminal
Continuity
D23
14
D9
4
Yes
Main power window and door lock/unlock switch connector
Terminal
Ground
Continuity
D23
14
No
Front power window motor LH connector
Terminal
Ground
Continuity
D9
6
Yes
Main power window and door lock/un-
lock switch connector
Terminal
Front power window motor LH
connector
Terminal
Continuity
D23
12
D9
6
Yes
ENCODER
PWC-47
< DTC/CIRCUIT DIAGNOSIS >
[LH FRONT ONLY AUTO DOWN]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
3. Check continuity between main power window and door lock/unlock switch connector D23 and ground.
Is the inspection result normal?
YES
>> Replace front power window motor LH. Refer to
GW-14, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Main power window and door lock/unlock
switch connector
Terminal
Front power window motor
LH connector
Terminal
Continuity
D23
5
D9
3
Yes
4
5
Main power window and door lock/unlock
switch connector
Terminal
Ground
Continuity
D23
5
No
4
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