Infiniti FX35, FX50 (S51). Manual — part 1527
DOOR KEY CYLINDER SWITCH
PWC-169
< DTC/CIRCUIT DIAGNOSIS >
[FRONT 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 power window main switch. Refer to
PWC-249, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) (key cylinder switch) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH
Check front door lock assembly (driver side) (key cylinder switch).
Refer to
PWC-169, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front door lock assembly (driver side) (key cylinder switch). Refer to
LOCK : Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005248300
COMPONENT INSPECTION
1.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) (key cylinder switch) connector.
3.
Check front door lock assembly (driver side) (key cylinder switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front door lock assembly (driver side) (key cylinder switch). Refer to
LOCK : Removal and Installation"
.
Power window main switch
Ground
Continuity
Connector
Terminal
D8
4
Not existed
6
Front door lock assembly (driver side) (key cylinder switch)
Ground
Continuity
Connector
Terminal
D15
4
Existed
Front door lock assembly (driver side) (key cylinder switch)
Key position
Continuity
Connector
Terminal
D15
5
4
Unlock
Existed
Neutral / Lock
Not existed
6
Lock
Existed
Neutral / Unlock
Not existed
PWC-170
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
POWER WINDOW SERIAL LINK
POWER WINDOW SERIAL LINK
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000005248301
Power window main switch, front power window switch (passenger side) and BCM transmit and receive the
signal by power window serial link.
The signal mentioned below is transmitted from BCM to power window main switch and front power window
switch (passenger side).
• Keyless power window down signal
The signal mentioned below is transmitted from power window main switch to front power window switch (pas-
senger side).
• Front passenger side door window operation signal
• Power window control by key cylinder switch signal
• Power window lock switch signal
• Retained power operation signal
POWER WINDOW MAIN SWITCH : Component Function Check
INFOID:0000000005248302
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
With CONSULT-III
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
DLK-53, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-170, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000005248303
1.
CHECK POWER WINDOW SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector.
3.
Check signal between power window main switch harness connector and ground with oscilloscope when
door lock and unlock switch (driver side and passenger side) is turned to “LOCK” or “UNLOCK”.
4.
Check that signals which are shown in the figure below can be detected during 10 seconds just after door
lock and unlock switch (driver side and passenger side) is turned to “LOCK” or “UNLOCK”.
Is the inspection result normal?
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
(+)
(–)
Signal
(Reference value)
Power window main switch
Connector
Terminal
D8
14
Ground
JPMIA0013GB
POWER WINDOW SERIAL LINK
PWC-171
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
YES
>> Replace power window main switch. Refer to
PWC-136, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and power window main switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
.
NO
>> Repair or replace harness.
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Description
INFOID:0000000005248304
Power window main switch, front power window switch (passenger side) and BCM transmit and receive the
signal by power window serial link.
The signal mentioned below is transmitted from BCM to power window main switch and front power window
switch (passenger side).
• Keyless power window down signal
The signal mentioned below is transmitted from power window main switch to front power window switch (pas-
senger side).
• Front passenger side door window operation signal
• Power window control by key cylinder switch signal
• Power window lock switch signal
• Retained power operation signal
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Component Function
Check
INFOID:0000000005248305
1.
CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
With CONSULT-III
Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
DLK-53, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-172, "FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Pro-
BCM
Power window main switch
Continuity
Connector
Terminal
Connector
Terminal
M123
132
D8
14
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
132
Not existed
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
PWC-172
< DTC/CIRCUIT DIAGNOSIS >
[FRONT WINDOW ANTI-PINCH]
POWER WINDOW SERIAL LINK
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure
INFOID:0000000005248306
1.
CHECK POWER WINDOW SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front power window switch (passenger side) connector.
3.
Check signal between front power window switch (passenger side) harness connector and ground with
oscilloscope when door lock and unlock switch (driver side and passenger side) is turned to “LOCK” or
“UNLOCK”.
4.
Check that signals which are shown in the figure below can be detected during 10 seconds just after door
lock and unlock switch (driver side and passenger side) is turned to “LOCK” or “UNLOCK”.
Is the inspection result normal?
YES
>> Replace front power window switch (passenger side). Refer to
PWC-137, "Removal and Installa-
.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and front power window switch (passenger side)
harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
NO
>> Repair or replace harness.
(+)
(–)
Signal
(Reference value)
Front power window switch (passenger side)
Connector
Terminal
D38
16
Ground
JPMIA0013GB
BCM
Front power window switch (passenger side)
Continuity
Connector
Terminal
Connector
Terminal
M123
132
D38
16
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
132
Not existed
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