Infiniti G37 Coupe. Manual — part 1019
POWER WINDOW MOTOR
PWC-17
< COMPONENT DIAGNOSIS >
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PWC
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Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
1.
Connect power wimdow main switch connector.
2.
Turn ignition switch ON.
3.
Check voltage between power window main switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace power window main switch. Refer to
PWC-92, "Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
DRIVER SIDE : Component Inspection
INFOID:0000000001693985
COMPONENT INSPECTION
1.
CHECK DRIVER SIDE POWER WINDOW MOTOR
Check motor operation by connecting the battery voltage directly to driver side power window motor connec-
tor.
Is the inspection result normal?
YES
>> Driver side power window motor is OK.
NO
>> Replace driver side power window motor. Refer to
GW-19, "Removal and Installation"
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001693987
Door glass moves UP/DOWN by receiving the signal power window main switch or power window sub-switch .
PASSENGER SIDE : Component Function Check
INFOID:0000000001693988
1.
CHECK POWER WINDOW MOTOR CIRCUIT
Power window main switch connector
Terminal
Ground
Continuity
D8
8
Not existed
11
Terminal
Power window main switch condition
Voltage (V)
(Approx.)
(+)
(–)
Power window main
switch connector
Terminal
D8
8
Ground
Driver side
UP
Battery voltage
DOWN
0
11
UP
0
DOWN
Battery voltage
Driver side power window motor con-
nector
Terminal
Motor operation
(+)
(–)
D10
3
6
DOWN
6
3
UP
PWC-18
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
Check passenger side power window motor operation with power window main switch or power window sub
switch.
Is the inspection result normal?
YES
>> Power window motor is OK.
NO
>> Refer to
PWC-18, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000001693989
1.
CHECK POWER WINDOW SUB-SWITCH OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect passenger side power window motor connector.
3.
Turn ignition switch ON.
4.
Check voltage between passenger side power window motor harness connector and ground.
Is the measurement value within the specification?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK PASSENGER SIDE POWER WINDOW MOTOR
Check passenger side power window motor.
Refer to
PWC-19, "PASSENGER SIDE : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace passenger side power window motor. Refer to
GW-19, "Removal and Installation"
3.
CHECK HARNESS CONTINUITY
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 connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK POWER WINDOW SUB-SWITCH OUTPUT SIGNAL
1.
Connect power window sub-switch connector.
Terminal
Power window sub-
switch condition
Voltage (V)
(Approx.)
(+)
(–)
Passenger side power window mo-
tor connector
Terminal
D40
3
Ground
UP
Battery voltage
DOWN
0
6
UP
0
DOWN
Battery voltage
Power window sub-switch connec-
tor
Terminal
Passenger side power window mo-
tor connector
Terminal
Continuity
D38
9
D40
3
Existed
8
6
Power window sub-switch connector
Terminal
Ground
Continuity
D38
8
Not existed
9
POWER WINDOW MOTOR
PWC-19
< COMPONENT DIAGNOSIS >
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2.
Turn ignition switch ON.
3.
Check voltage between power window sub-switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace power window sub-switch. Refer to
PWC-92, "Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
PASSENGER SIDE : Component Inspection
INFOID:0000000001693990
COMPONENT INSPECTION
1.
CHECK PASSENGER SIDE POWER WINDOW MOTOR
Check motor operation by connecting the battery voltage directly to passenger side power window motor con-
nector.
Is the inspection result normal?
YES
>> Passenger side power window motor is OK.
NO
>> Replace passenger side power window motor. Refer to
GW-19, "Removal and Installation"
Terminal
Power window sub-switch condition
Voltage (V)
(Approx.)
(+)
(–)
Power window sub-
switch connector
Terminal
D38
9
Ground
Passenger side
UP
Battery voltage
DOWN
0
8
UP
0
DOWN
Battery voltage
Passenger side power window motor
connector
Terminal
Motor condition
(+)
(–)
D40
3
6
DOWN
6
3
UP
PWC-20
< COMPONENT DIAGNOSIS >
ENCODER
ENCODER
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000001694002
Detects condition of the driver side power window motor operation and transmits to power window main switch
as the pulse signal.
DRIVER SIDE : Component Function Check
INFOID:0000000001694003
1.
CHECK ENCODER OPERATION
Check driver side door glass perform AUTO open/close operation normally when power window main switch.
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-20, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000001694004
1.
CHECK ENCODER OPERATION
1.
Turn ignition switch ON.
2.
Check signal between power window main 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
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector and driver side power window motor 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.
Terminals
Signal
(Reference value)
(+)
(–)
Power window main switch
connector
Terminal
D8
9
Ground
Refer to following signal
13
JMKIA0220GB
Power window main switch connector
Terminal
Driver side power window motor
connector
Terminal
Continuity
D8
9
D10
5
Existed
13
2
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