Infiniti G37 Coupe. Manual — part 1020
ENCODER
PWC-21
< COMPONENT 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 3.
NO
>> Repair or replace harness.
3.
CHECK ENCORDER POWER SUPPLY CIRCUIT
1.
Connect power window main switch connector.
2.
Turn ignition switch ON.
3.
Check voltage between driver side power window motor harness connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between driver side power window motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
5.
CHECK HARNESS CONTINUITY 1
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector.
3.
Check continuity between power window main switch harness connector and driver side power window
motor harness connector.
4.
Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-92, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK HARNESS CONTINUITY 2
1.
Disconnect power window main switch connector.
2.
Check continuity between power window main switch harness connector and driver side power window
motor harness connector.
Power window main switch connector
Terminal
Ground
Continuity
D8
9
Not existed
13
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Driver side power window
motor connector
Terminal
D10
4
Ground
12
Driver side power window motor con-
nector
Terminal
Ground
Continuity
D10
1
Existed
Power window main switch con-
nector
Terminal
Driver side power window mo-
tor connector
Terminal
Continuity
D8
5
D10
4
Existed
Power window main switch connector
Terminal
Ground
Continuity
D8
5
Not existed
PWC-22
< COMPONENT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-92, "Removal and Installation"
NO
>> Repair or replace harness.
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END.
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001694005
Detects condition of the passenger side power window motor operation and transmits to power window sub-
switch as the pulse signal.
PASSENGER SIDE : Component Function Check
INFOID:0000000001694006
1.
CHECK ENCODER OPERATION
Check passenger side door glass perform AUTO open/close operation normally when power window main
switch or power window sub-switch.
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-22, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000001694007
1.
CHECK ENCODER SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between power window sub-switch harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK ENCORDER SIGNAL CIRCUIT
Power window main switch con-
nector
Terminal
Driver side power window motor
connector
Terminal
Continuity
D8
14
D10
1
Existed
Terminals
Signal
(Reference value)
(+)
(–)
Power window sub-switch
connector
Terminal
D38
12
Ground
Refer to following signal
9
JMKIA1185GB
ENCODER
PWC-23
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
1.
Turn ignition switch OFF.
2.
Disconnect power window sub-switch connector and passenger side power window motor connector.
3.
Check continuity between power window sub-switch harness connector and passenger side power win-
dow motor harness connector.
4.
Check continuity between power window sub-switch connector and gound.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK ENCORDER POWER SUPPLY CIRCUIT
1.
Connect power window sub-switch connector.
2.
Turn ignition switch ON.
3.
Check voltage between passenger side power window motor harness connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between passenger side power window motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
5.
CHECK HARNESS CONTINUITY 1
1.
Turn ignition switch OFF.
2.
Disconnect power window sub-switch connector.
3.
Check continuity between power window sub-switch harness connector and passenger side power win-
dow motor harness connector.
4.
Check continuity between power window sub-switch harness connector and ground.
Power window sub-switch connector
Terminal
Passenger side power window
motor connector
Terminal
Continuity
D38
12
D40
2
Existed
9
1
Power window sub-switch connector
Terminal
Ground
Continuity
D38
12
Not existed
9
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Passenger side power window motor
connector
Terminal
D40
4
Ground
12
Passenger side power window motor
connector
Terminal
Ground
Continuity
D40
5
Existed
Power window sub-switch connector
Terminal
Passenger side power window
motor connector
Terminal
Continuity
D38
4
D40
4
Existed
PWC-24
< COMPONENT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES
>> Replace power window sub-switch. Refer to
PWC-92, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK HARNESS CONTINUITY 2
1.
Disconnect power window sub-switch connector.
2.
Check continuity between power window sub-switch harness connector and passenger side power win-
dow motor harness connector.
Is the inspection result normal?
YES
>> Replace power window sub-switch . Refer to
PWC-92, "Removal and Installation"
.
NO
>> Repair or replace harness.
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END.
Power window sub-switch connector
Terminal
Ground
Continuity
D38
4
Not existed
Power window sub-switch connec-
tor
Terminal
Passenger side power window
motor connector
Terminal
Continuity
D38
15
D40
5
Existed
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