Infiniti FX35, FX50 (S51). Manual — part 1525
DOOR SWITCH
PWC-161
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
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DOOR SWITCH
Description
INFOID:0000000005248287
Detects door open/closed condition.
Component Function Check
INFOID:0000000005248288
1.
CHECK FUNCTION
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”) in “Data Monitor” mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
PWC-161, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000005248289
1.
CHECK FRONT DOOR SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect malfunction front door switch connector.
3.
Check signal between malfunction front door switch harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and malfunction door switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Monitor item
Door condition
Display
DOOR SW-DR
CLOSE
→
OPEN
OFF
→
ON
DOOR SW-AS
(+)
(–)
Voltage (V)
(Approx.)
Front door switch
Connector
Terminal
Driver side
B16
2
Ground
Passenger side
B216
JPMIA0011GB
BCM
Front door switch
Continuity
Connector
Terminal
Connector
Terminal
M123
124
B216
2
Exists
150
B16
BCM
Ground
Continuity
Connector
Terminal
M123
124
Not exist
150
PWC-162
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
DOOR SWITCH
Is the inspection result normal?
YES
>> Replace BCM. Refer to
NO
>> Repair or replace harness.
3.
CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to
PWC-162, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunction front door switch. Refer to
DLK-280, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000005248290
1.
CHECK FRONT DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect malfunction front door switch connector.
3.
Check malfunction front door switch.
Is the inspection result normal?
YES
>> Front door switch is OK.
NO
>> Replace malfunction front door switch. Refer to
DLK-280, "Removal and Installation"
(+)
(-)
Condition
Continuity
Front door switch
Connector
Terminal
Driver side
B16
2
Ground part of
door switch
Door switch pressed
Not exist
Door switch released
Exists
Passenger side
B216
2
Door switch pressed
Not exist
Door switch released
Exists
ENCODER
PWC-163
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
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ENCODER
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000005248291
Detects condition of the front power window motor (driver side) operation and transmits to power window main
switch as the pulse signal.
DRIVER SIDE : Component Function Check
INFOID:0000000005248292
1.
CHECK ENCODER
Check that driver side door glass performs AUTO open/close operation normally by power window main
switch.
Is the inspection result normal?
YES
>> Encoder is OK.
NO
>> Refer to
PWC-163, "DRIVER SIDE : Diagnosis Procedure"
.
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000005248293
1.
CHECK ENCODER SIGNAL
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
>> Replace power window main switch. Refer to
PWC-249, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK ENCORDER SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector and front power window motor (driver side) connector.
3.
Check continuity between power window main switch harness connector and front power window motor
(driver side) harness connector.
4.
Check continuity between power window main switch harness connector and ground.
(+)
(–)
Signal
(Reference value)
Power window main switch
Connector
Terminal
D8
9
Ground
Refer to following signal
13
JMKIA2682GB
Power window main switch
Front power window motor
(driver side)
Continuity
Connector
Terminal
Connector
Terminal
D8
9
D10
3
Existed
13
5
PWC-164
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
ENCODER
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK ENCORDER POWER SUPPLY CIRCUIT 1
1.
Connect power window main switch connector.
2.
Turn ignition switch ON.
3.
Check voltage between front power window motor (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
CHECK GROUND CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Check continuity between front power window motor (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace front power window motor (driver side). Refer to
GW-21, "Removal and Installation"
.
NO
>> GO TO 6.
5.
CHECK ENCORDER POWER SUPPLY CIRCUIT 2
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector.
3.
Check continuity between power window main switch harness connector and front power window motor
(driver side) 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-249, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK GROUND CIRCUIT 2
1.
Disconnect power window main switch connector.
Power window main switch
Ground
Continuity
Connector
Terminal
D8
9
Not existed
13
(+)
(–)
Voltage (V)
(Approx.)
Front power window motor (driver side)
Connector
Terminal
D10
4
Ground
Battery voltage
Front power window motor (driver side)
Ground
Continuity
Connector
Terminal
D10
6
Existed
Power window main switch
Front power window motor (driver side)
Continuity
Connector
Terminal
Connector
Terminal
D8
15
D10
4
Existed
Power window main switch
Ground
Continuity
Connector
Terminal
D8
15
Not existed
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