Infiniti QX56 (Z62). Manual — part 1031
PWC-36
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
GI-40, "Intermittent Incident"
>> INSPECTION END
FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure
INFOID:0000000006217291
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect front power window switch (passenger side) connector.
3.
Check voltage between front power window switch (passenger side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and front power window switch (passenger side) har-
ness 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.
3.
CHECK GROUND CIRCUIT
Check continuity between front power window switch (passenger side) 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"
(+)
(–)
Voltage (V)
(Approx.)
Front power window switch
(passenger side)
Connector
Terminal
D25
10
Ground
12
BCM
Front power window switch
(passenger side)
Continuity
Connector
Terminal
Connector
Terminal
M70
69
D25
10
Existed
BCM
Ground
Continuity
Connector
Terminal
M70
69
Not existed
Front power window switch
(passenger side)
Ground
Continuity
Connector
Terminal
D25
11
Existed
POWER SUPPLY AND GROUND CIRCUIT
PWC-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
>> INSPECTION END
REAR POWER WINDOW SWITCH
REAR POWER WINDOW SWITCH : Diagnosis Procedure
INFOID:0000000006217292
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect rear power window switch LH connector and rear power window switch RH connector.
3.
Turn ignition switch ON.
4.
Check voltage between rear power window switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and rear power window switch harness connector.
4.
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.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear power window 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"
.
(+)
(–)
Voltage (V)
(Approx.)
Rear power window switch
Connector Terminal
LH
D63
10
Ground
12
RH
D43
BCM
Rear power window switch
Continuity
Connector
Terminal
Connector
Terminal
M70
69
LH
D63
10
Existed
RH
D43
BCM
Ground
Continuity
Connector
Terminal
M70
69
Not existed
Rear power window switch
Ground
Continuity
Connector
Terminal
LH
D63
11
Existed
RH
D43
PWC-38
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
>> INSPECTION END
POWER WINDOW MOTOR
PWC-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
POWER WINDOW MOTOR
DRIVER SIDE
DRIVER SIDE : Component Function Check
INFOID:0000000006217293
1.
CHECK POWER WINDOW MOTOR CIRCUIT
Check front power window motor (driver side) operation with power window main switch.
Is the inspection result normal?
YES
>> Front power window motor (driver side) is OK.
NO
>> Refer to
PWC-39, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000006217294
1.
CHECK FRONT POWER WINDOW MOTOR INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front power window motor (driver side) connector.
3.
Turn ignition switch ON.
4.
Check voltage 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 2.
2.
CHECK POWER WINDOW MOTOR CIRCUIT
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-74, "Removal and Installation"
NO
>> Repair or replace harness.
PASSENGER SIDE
(+)
(–)
Condition
Voltage (V)
(Approx.)
Front power window motor (driver side)
Connector
Terminal
D7
3
Ground
Power window main switch
UP
12
DOWN
0
1
UP
0
DOWN
12
Power window main switch
Front power window motor
(driver side)
Continuity
Connector
Terminal
Connector
Terminal
D5
8
D7
3
Existed
11
1
Power window main switch
Ground
Continuity
Connector
Terminal
D5
8
Not existed
11
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