Infiniti QX56 (JA60). Manual — part 752
PWC-20
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
Is the inspection result normal?
YES
>> Front power window motor RH is OK.
NO
>> Replace front power window motor RH. Refer to
GW-15, "Removal and Installation"
REAR LH
REAR LH : Description
INFOID:0000000005147189
Door glass moves UP/DOWN by receiving the signal from power window main switch or rear power window
switch LH.
REAR LH : Component Function Check
INFOID:0000000005147190
1.
CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
Does rear power window motor LH operate with main power window and door lock/unlock switch or rear
power window switch LH?
Is the inspection result normal?
YES
>> Rear power window motor LH is OK.
NO
>> Refer to
PWC-20, "REAR LH : Diagnosis Procedure"
REAR LH : Diagnosis Procedure
INFOID:0000000005147191
Regarding Wiring Diagram information, refer to
.
1.
CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch LH connector
D203 terminals 4, 5 and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch LH. Refer to
PWC-119, "Removal and Installation"
NO
>> GO TO 2
2.
CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
Terminal
Motor condition
(+)
(–)
1
2
DOWN
2
1
UP
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
D203
4
Ground
Closing
0
Opening
Battery voltage
5
Closing
Battery voltage
Opening
0
LIIA2365E
POWER WINDOW MOTOR
PWC-21
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
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L
M
A
B
PWC
N
O
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1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH and rear power win-
dow control unit LH.
3. Check continuity between rear power window switch LH connec-
tor D203 terminals 4, 5 and rear power window control unit LH
connector D209 terminals 9, 10.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK REAR POWER WINDOW MOTOR LH
Check rear power window motor LH.
PWC-21, "REAR LH : Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace rear power window motor LH. Refer to
GW-15, "Removal and Installation"
REAR LH : Component Inspection
INFOID:0000000005147192
COMPONENT INSPECTION
1.
CHECK REAR POWER WINDOW MOTOR LH
Does motor operate by connecting the battery voltage directly to rear power window motor LH?
Is the inspection result normal?
YES
>> Rear power window motor LH is OK.
NO
>> Replace rear power window motor LH. Refer to
GW-18, "Removal and Installation"
REAR RH
REAR RH : Description
INFOID:0000000005147193
Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or
rear power window switch RH.
REAR RH : Component Function Check
INFOID:0000000005147194
1.
CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
Does rear power window motor RH operate with operating main power window and door lock/unlock switch or
rear power window switch RH?
Is the inspection result normal?
YES
>> Rear power window motor RH is OK.
NO
>> Refer to
PWC-21, "REAR RH : Diagnosis Procedure"
.
REAR RH : Diagnosis Procedure
INFOID:0000000005147195
Regarding Wiring Diagram information, refer to
.
4 - 9
: Continuity should exist.
5 - 10
: Continuity should exist.
LIIA1379E
Terminal
Motor condition
(+)
(–)
2
1
DOWN
1
2
UP
PWC-22
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
1.
CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector
D303 terminals 4, 5 and ground.
Is the inspection result normal?
YES
>> Replace rear power window switch RH. Refer to
PWC-119, "Removal and Installation"
.
NO
>> GO TO 2
2.
CHECK REAR POWER WINDOW SWITCH RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch RH and rear power win-
dow control unit RH.
3. Check continuity between rear power window switch RH con-
nector D303 terminals 4, 5 and rear power window control unit
RH connector D309 terminals 9, 10.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK REAR POWER WINDOW MOTOR RH
Check rear power window motor RH.
PWC-22, "REAR RH : Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace rear power window motor RH. Refer to
GW-18, "Removal and Installation"
.
REAR RH : Component Inspection
INFOID:0000000005147196
COMPONENT INSPECTION
1.
CHECK REAR POWER WINDOW MOTOR RH
Does motor operate by connecting the battery voltage directly to rear power window motor RH?
Is the inspection result normal?
YES
>> Rear power window motor RH is OK.
NO
>> Replace rear power window motor RH. Refer to
GW-18, "Removal and Installation"
.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
D303
4
Ground
Closing
0
Opening
Battery voltage
5
Closing
Battery voltage
Opening
0
LIIA2365E
4 - 9
: Continuity should exist.
5 - 10
: Continuity should exist.
LIIA1379E
Terminal
Motor condition
(+)
(–)
2
1
DOWN
1
2
UP
ENCODER
PWC-23
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
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ENCODER
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000005147197
Detects condition of the front power window motor LH operation and transmits to main power window and door
lock/unlock switch as pulse signal.
DRIVER SIDE : Component Function Check
INFOID:0000000005147198
1.
CHECK ENCODER OPERATION
Does front door glass LH perform AUTO open/close operation normally when operating main power window
and door lock/unlock switch?
Is the inspection result normal?
YES
>> Encoder operation is OK.
NO
>> Refer to
PWC-23, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000005147199
Regarding Wiring Diagram information, refer to
.
1.
CHECK ENCODER OPERATION
1. Turn ignition switch ON.
2. Check signal between main power window and door lock/unlock
switch connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 2
2.
CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
Terminals
Signal
(Reference value)
(+)
(–)
Main power window
and door lock/unlock
switch connector
Terminal
D7
9
Ground
Refer to following signal
13
ALKIA0295ZZ
JMKIA0220GB
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