Infiniti FX35, FX50 (S51). Manual — part 1493
ENCODER
PWC-33
< DTC/CIRCUIT DIAGNOSIS >
[FRONT & REAR WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Replace front power window switch (passenger side). Refer to
PWC-137, "Removal and Installa-
.
NO
>> Repair or replace harness.
6.
CHECK GROUND CIRCUIT 2
1.
Disconnect front power window switch (passenger side) connector.
2.
Check continuity between front power window switch (passenger side) harness connector and front power
window motor (passenger side) harness connector.
Is the inspection result normal?
YES
>> Replace front power window switch (passenger side). Refer to
PWC-137, "Removal and Installa-
.
NO
>> Repair or replace harness.
REAR LH
REAR LH : Description
INFOID:0000000005248184
Detects condition of the rear power window motor LH operation and transmits to rear power window switch LH
as the pulse signal.
REAR LH : Component Function Check
INFOID:0000000005248185
1.
CHECK ENCODER OPERATION
Check that rear door LH glass performs AUTO open/close operation normally by power window main switch or
rear power window switch LH.
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-33, "REAR LH : Diagnosis Procedure"
.
REAR LH : Diagnosis Procedure
INFOID:0000000005248186
1.
CHECK ENCODER SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between rear power window switch LH harness connector and ground with oscilloscope.
Front power window switch (passenger side)
Ground
Continuity
Connector
Terminal
D38
4
Not existed
Front power window switch (passenger side)
Front power window motor (passenger side)
Continuity
Connector
Terminal
Connector
Terminal
D38
3
D40
6
Existed
(+)
(–)
Signal
(Reference value)
Rear power window switch LH
Connector
Terminal
D57
12
Ground
Refer to following signal
15
PWC-34
< DTC/CIRCUIT DIAGNOSIS >
[FRONT & REAR WINDOW ANTI-PINCH]
ENCODER
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-138, "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 CIRCUIT 1
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 4.
NO
>> GO TO 5.
4.
CHECK GROUND CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Check continuity between rear power window motor LH harness connector and ground.
JMKIA2927GB
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D57
12
D52
5
Existed
15
6
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D57
12
Not existed
15
(+)
(–)
Voltage (V)
(Approx.)
Rear power window motor LH
Connector
Terminal
D52
2
Ground
Battery voltage
Rear power window motor LH
Ground
Continuity
Connector
Terminal
D52
4
Existed
ENCODER
PWC-35
< DTC/CIRCUIT DIAGNOSIS >
[FRONT & REAR WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Replace rear power window motor LH. Refer to
GW-27, "Removal and Installation"
NO
>> GO TO 6.
5.
CHECK ENCORDER POWER SUPPLY CIRCUIT2
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.
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-138, "Removal and Installation"
NO
>> Repair or replace harness.
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.
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-138, "Removal and Installation"
NO
>> Repair or replace harness.
REAR RH
REAR RH : Description
INFOID:0000000005248187
Detects condition of the rear power window motor RH operation and transmits to rear power window switch
RH as the pulse signal.
REAR RH : Component Function Check
INFOID:0000000005248188
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-35, "REAR RH : Diagnosis Procedure"
.
REAR RH : Diagnosis Procedure
INFOID:0000000005248189
1.
CHECK ENCODER SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between rear power window switch RH harness connector and ground with oscilloscope.
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D57
4
D52
2
Existed
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D57
4
Not existed
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D57
3
D52
4
Existed
PWC-36
< DTC/CIRCUIT DIAGNOSIS >
[FRONT & REAR WINDOW ANTI-PINCH]
ENCODER
Is the inspection result normal?
YES
>> Replace rear power window switch RH. Refer to
PWC-138, "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 CIRCUIT 1
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.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 5.
(+)
(–)
Signal
(Reference value)
Rear power window switch RH
Connector
Terminal
D77
12
Ground
Refer to following signal
15
JMKIA2927GB
Rear power window switch RH
Rear power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D77
12
D72
5
Existed
15
6
Rear power window switch RH
Ground
Continuity
Connector
Terminal
D77
12
Not existed
15
(+)
(–)
Voltage (V)
(Approx.)
Rear power window motor RH
Connector
Terminal
D72
2
Ground
Battery voltage
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