Infiniti QX56 (Z62). Manual — part 1034
PWC-48
< DTC/CIRCUIT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-74, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK ENCORDER SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch LH connector and rear power window motor LH connector.
3.
Check continuity between rear power window switch LH harness connector and rear power window motor
LH harness connector.
4.
Check continuity rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK ENCORDER POWER SUPPLY
1.
Connect rear power window switch LH connector.
2.
Turn ignition switch ON.
3.
Check voltage between rear power window motor LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK ENCORDER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch LH connector.
3.
Check continuity between rear power window switch LH harness connector and rear power window motor
LH harness connector.
JMKIA5210GB
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D63
12
D67
5
Existed
15
6
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D63
12
Not existed
15
(+)
(–)
Voltage (V)
(Approx.)
Rear power window motor LH
Connector
Terminal
D67
2
Ground
12
ENCODER
PWC-49
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
4.
Check continuity between rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-74, "Removal and Installation"
.
NO
>> Repair or replace harness.
5.
CHECK GROUND CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Check continuity between rear power window motor LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window motor LH. Refer to
GW-26, "Removal and Installation"
NO
>> GO TO 6.
6.
CHECK GROUND CIRCUIT 2
1.
Disconnect rear power window switch LH harness connector.
2.
Check continuity between rear power window switch LH harness connector and rear power window motor
LH harness connector.
3.
Check continuity between rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-74, "Removal and Installation"
.
NO
>> Repair or replace harness.
REAR RH
REAR RH : Component Function Check
INFOID:0000000006217307
1.
CHECK ENCODER OPERATION
Check that rear door RH glass performs AUTO open/close operation normally by power window main switch
or rear power window switch RH.
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-50, "REAR RH : Diagnosis Procedure"
.
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D63
4
D67
2
Existed
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D63
4
Not existed
Rear power window motor LH
Ground
Continuity
Connector
Terminal
D67
4
Existed
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D63
3
D67
4
Existed
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D63
3
Not existed
PWC-50
< DTC/CIRCUIT DIAGNOSIS >
ENCODER
REAR RH : Diagnosis Procedure
INFOID:0000000006217308
1.
CHECK ENCODER SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between rear power window switch RH harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace rear power window switch RH. Refer to
PWC-74, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK ENCODER SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch RH connector and rear power window motor RH connector.
3.
Check continuity between rear power window switch RH harness connector and rear power window motor
RH harness connector.
4.
Check continuity rear power window switch RH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK ENCODER POWER SUPPLY
1.
Connect rear power window switch RH connector.
2.
Turn ignition switch ON.
3.
Check voltage between rear power window motor RH harness connector and ground.
Signal name
(+)
(–)
Signal
(Reference value)
Rear power window switch RH
Connector
Terminal
Encoder signal 1
D43
12
Ground
Refer to following signal
Encoder signal 2
15
JMKIA5210GB
Rear power window switch RH
Rear power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D43
12
D47
5
Existed
15
6
Rear power window switch RH
Ground
Continuity
Connector
Terminal
D43
12
Not existed
15
ENCODER
PWC-51
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK ENCORDER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch RH connector.
3.
Check continuity between rear power window switch RH harness connector and rear power window motor
RH harness connector.
4.
Check continuity between rear power window switch RH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch RH. Refer to
PWC-74, "Removal and Installation"
NO
>> Repair or replace harness.
5.
CHECK GROUND CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Check continuity between rear power window motor RH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window motor RH. Refer to
GW-26, "Removal and Installation"
.
NO
>> GO TO 6.
6.
CHECK GROUND CIRCUIT 2
1.
Disconnect rear power window switch RH harness connector.
2.
Check continuity between rear power window switch RH harness connector and rear power window motor
RH harness connector.
3.
Check continuity between rear power window switch RH harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch RH. Refer to
PWC-74, "Removal and Installation"
(+)
(–)
Voltage (V)
(Approx.)
Rear power window motor RH
Connector
Terminal
D47
2
Ground
12
Rear power window switch RH
Rear power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D43
4
D47
2
Existed
Rear power window switch RH
Ground
Continuity
Connector
Terminal
D43
4
Not existed
Rear power window motor RH
Ground
Continuity
Connector
Terminal
D47
4
Existed
Rear power window switch RH
Rear power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D43
3
D47
4
Existed
Rear power window switch RH
Ground
Continuity
Connector
Terminal
D43
3
Not existed
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