Infiniti QX56 (JA60). Manual — part 753
PWC-24
< COMPONENT DIAGNOSIS >
ENCODER
1. Turn ignition switch ON.
2. Check voltage between front power window motor LH connector
and ground.
Is the measurement value within the specification?
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 and front power window motor LH con-
nector.
4. Check continuity between main power window and door lock/unlock switch connector and ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
NO
>> Repair or replace harness.
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 connec-
tor and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> GO TO 5
5.
CHECK HARNESS CONTINUITY 2
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Front power win-
dow motor LH con-
nector
Terminal
D9
4
Ground
10
WIIA0513E
Main power window
and door lock/unlock
switch connector
Terminal
Front power window
motor LH connector
Terminal
Continuity
D7 (A)
15
D9 (B)
4
Yes
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7 (A)
15
No
ALKIA1021ZZ
Front power window motor
LH connector
Terminal
Ground
Continuity
D9
6
Yes
LIIA0923E
ENCODER
PWC-25
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/
unlock switch connector and front power window motor LH con-
nector.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock
switch. Refer to
PWC-117, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK HARNESS CONTINUITY 3
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/
unlock switch connector and front power window motor LH con-
nector.
3. Check continuity between main power window and door lock/
unlock switch connector and ground.
Is the inspection result normal?
YES
>> Replace front power window motor LH. Refer to
GW-15, "Removal and Installation"
.
NO
>> Repair or replace harness.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000005147200
Detects condition of the front power window motor RH operation and transmits to power window and door
lock/unlock switch RH as pulse signal.
PASSENGER SIDE : Component Function Check
INFOID:0000000005147201
1.
CHECK ENCODER OPERATION
Does front door glass RH perform AUTO open/close operation normally when operating power window and
door lock/unlock switch RH?
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-25, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000005147202
Regarding Wiring Diagram information, refer to
.
Main power window and
door lock/unlock switch
connector
Terminal
Front power win-
dow motor LH con-
nector
Terminal
Continuity
D7 2
D9
6
Yes
LIIA0924E
Main power window
and door lock/unlock
switch connector
Terminal
Front power window
motor LH connector
Terminal
Continuity
D7 (A)
9
D9 (B)
5
Yes
13
3
Main power window and door
lock/unlock switch connector
Terminal
Ground
Continuity
D7 (A)
9
No
13
ALKIA1022ZZ
PWC-26
< COMPONENT DIAGNOSIS >
ENCODER
1.
CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check signal between power window and door lock/unlock
switch RH connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 2
2.
CHECK FRONT POWER WINDOW MOTOR RH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front power window motor RH connector
and ground.
Is the measurement value within the specification?
YES
>> GO TO 4
NO
>> GO TO 3
3.
CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH and
front power window motor RH.
3. Check continuity between power window and door lock/unlock
switch RH connector and front power window motor RH connec-
tor.
4. Check continuity between power window and door lock/unlock switch RH connector and ground.
Terminals
Signal
(Reference value)
(+)
(–)
Power window and door
lock/unlock switch RH
connector
Terminal
D105
12
Ground
Refer to following
signal
15
ALKIA0322ZZ
ALKIA0305GB
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Front power window
motor RH connector
Terminal
D105
4
Ground
10
WIIA0513E
Power window and
door lock/unlock
switch RH connector
Terminal
Front power window
motor RH connector
Terminal
Continuity
D105 (A)
4
D104 (B)
4
Yes
ALKIA1023ZZ
ENCODER
PWC-27
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Replace power window and door lock/unlock switch RH. Refer to
.
NO
>> Repair or replace harness.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH.
3. Check continuity between front power window motor RH con-
nector and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> GO TO 5
5.
CHECK HARNESS CONTINUITY 2
1. Disconnect power window and door lock/unlock switch RH.
2. Check continuity between power window and door lock/unlock
switch RH connector and front power window motor RH connec-
tor.
Is the inspection result normal?
YES
>> Replace power window and door lock/unlock switch RH.
PWC-118, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK HARNESS CONTINUITY 3
1. Disconnect power window and door lock/unlock switch RH.
2. Check continuity between power window and door lock/unlock
switch RH connector and front power window motor RH connec-
tor.
3. Check continuity between power window and door lock/unlock
switch RH connector and ground.
Power window and door lock/
unlock switch RH connector
Terminal
Ground
Continuity
D105 (A)
4
No
Front power window motor RH
connector
Terminal
Ground
Continuity
D104
6
Yes
LIIA0923E
Power window and door
lock/unlock switch RH
connector
Terminal
Front power window
motor RH connector
Terminal
Continuity
D105
3
D104
6
Yes
LIIA1264E
Power window and
door lock/unlock
switch RH connector
Terminal
Front power window
motor RH connector
Terminal
Continuity
D105 (A)
12
D104 (B)
3
Yes
15
5
ALKIA1024ZZ
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