Infiniti QX56 (Z62). Manual — part 1036
PWC-56
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW SERIAL LINK
NO
>> GO TO 3.
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM connector and power window main switch 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
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Component Function
Check
INFOID:0000000006217314
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-39, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-56, "FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Proce-
.
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure
INFOID:0000000006217315
1.
CHECK POWER WINDOW SWITCH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between front power window switch (passenger side) harness connector and ground with
oscilloscope.
BCM
Power window main switch
Continuity
Connector
Terminal
Connector
Terminal
M68
8
D5
14
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
8
Not existed
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
POWER WINDOW SERIAL LINK
PWC-57
< DTC/CIRCUIT DIAGNOSIS >
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-74, "Removal and Installa-
.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front power window switch (passenger side) connector.
3.
Turn ignition switch ON.
4.
Check voltage between front power window switch (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-74, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect power window main switch connector.
2.
Check continuity between power window main switch harness connector and front power window switch
(passenger side) harness connector.
3.
Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
REAR POWER WINDOW SWITCH LH
(+)
(–)
Signal
(Reference value)
Front power window switch (passenger side)
Connector
Terminal
D25
16
Ground
JPMIA0013GB
(+)
(–)
Voltage (V)
(Approx.)
Front power window switch (passenger side)
Connector
Terminal
D25
16
Ground
12
Power window main switch
Front power window switch (passenger side)
Continuity
Connector
Terminal
Connector
Terminal
D5
14
D25
16
Existed
Power window main switch
Ground
Continuity
Connector
Terminal
D5
14
Not existed
PWC-58
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW SERIAL LINK
REAR POWER WINDOW SWITCH LH : Component Function Check
INFOID:0000000006217316
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-39, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-58, "REAR POWER WINDOW SWITCH LH : Diagnosis Procedure"
REAR POWER WINDOW SWITCH LH : Diagnosis Procedure
INFOID:0000000006217317
1.
CHECK POWER WINDOW SWITCH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between rear power window switch LH harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-74, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK POWER WINDOW SERIAL LINK SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch LH connector.
3.
Turn ignition switch ON.
4.
Check voltage between rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-74, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect power window main switch connector.
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
(+)
(–)
Signal
(Reference value)
Rear power window switch LH
Connector
Terminal
D63
16
Ground
JPMIA0013GB
(+)
(–)
Voltage (V)
(Approx.)
Rear power window switch LH
Connector
Terminal
D63
16
Ground
12
POWER WINDOW SERIAL LINK
PWC-59
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
2.
Check continuity between power window main switch harness connector and rear power window switch
LH harness connector.
3.
Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
REAR POWER WINDOW SWITCH RH
REAR POWER WINDOW SWITCH RH : Component Function Check
INFOID:0000000006217318
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-39, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Power window serial link is OK.
NO
>> Refer to
PWC-59, "REAR POWER WINDOW SWITCH RH : Diagnosis Procedure"
.
REAR POWER WINDOW SWITCH RH : Diagnosis Procedure
INFOID:0000000006217319
1.
CHECK POWER WINDOW SWITCH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between rear power window switch RH harness connector and ground with oscilloscope.
Power window main switch
Rear power window switch LH
Continuity
Connector
Terminal
Connector
Terminal
D5
14
D63
16
Existed
Power window main switch
Ground
Continuity
Connector
Terminal
D5
14
Not existed
Monitor item
Condition
CDL LOCK SW
LOCK
: ON
UNLOCK
: OFF
CDL UNLOCK SW
LOCK
: OFF
UNLOCK
: ON
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