2009 INFINITI QX56 Factory Service Manual

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Page 2969 of 4171

INFINITI QX56 2009 Factory Service Manual
POWER WINDOW MOTORPWC-21
< COMPONENT DIAGNOSIS >
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PWC
N
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YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR LH
Check rear power window motor LH.

Page 2970 of 4171

INFINITI QX56 2009 Factory Service Manual
PWC-22
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
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 REA

Page 2971 of 4171

INFINITI QX56 2009 Factory Service Manual
ENCODERPWC-23
< COMPONENT DIAGNOSIS >
C
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PWC
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ENCODER
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000003775992
Detects condition of the front power window motor LH operat

Page 2972 of 4171

INFINITI QX56 2009 Factory Service Manual
PWC-24
< COMPONENT DIAGNOSIS >
ENCODER
1. Turn ignition switch ON.
2. Check voltage between front power window motor LH connectorand ground.
Is the measurement value within the specification?
YES >>

Page 2973 of 4171

INFINITI QX56 2009 Factory Service Manual
ENCODERPWC-25
< COMPONENT DIAGNOSIS >
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G H
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PWC
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1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/ unlock

ENCODERPWC-25
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
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M A
B
PWC
N
O P
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/ unlock switch connector and front power window motor LH con-
nector.
Is the inspection result normal?
YES >> Replace main power window and door lock/unlock switch. Refer to PWC-117, "Removal and Installation"
.
NO >> Repair or replace harness.
6. CHECK HARNESS CONTINUITY 3
1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between main power window and door lock/ unlock switch connector and front power window motor LH con-
nector.
3. Check continuity between main power window and door lock/ unlock switch connector and ground.
Is the inspection result normal?
YES >> Replace front power wi ndow motor LH. Refer to GW-15, "Removal and Installation".
NO >> Repair or replace harness.
PASSENGER SIDE
PASSENGER SIDE : DescriptionINFOID:0000000003775995
Detects condition of the front power window motor RH operation and transmits to power window and door
lock/unlock switch RH as pulse signal.
PASSENGER SIDE : Comp onent Function CheckINFOID:0000000003775996
1.CHECK ENCODER OPERATION
Does front door glass RH perform AUTO open/close operation normally when operating power window and
door lock/unlock switch RH?
Is the inspection result normal?
YES >> Encoder operation is OK.
NO >> Refer to PWC-25, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000003775997
1. CHECK ENCODER SIGNAL
Main power window and
door lock/unlock switch
connector Te r m i n a l
Front power win-
dow motor LH con-
nector Terminal Continuity
D7 2 D9 6 Yes
LIIA0924E
Main power window
and door lock/unlock switch connector Te r m i n a l
Front power window
motor LH connector Terminal Continuity
D7 (A) 9
D9 (B) 5
Ye s
13 3
Main power window and door lock/unlock switch connector Te r m i n a l
GroundContinuity
D7 (A) 9
No
13
ALKIA1022ZZ
Revision: December 20092009 QX56

Page 2974 of 4171

INFINITI QX56 2009 Factory Service Manual
PWC-26
< COMPONENT DIAGNOSIS >
ENCODER
1. Turn ignition switch ON.
2. Check signal between power window and door lock/unlockswitch RH connector and ground with oscilloscope.
Is the inspection result

Page 2975 of 4171

INFINITI QX56 2009 Factory Service Manual
ENCODERPWC-27
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
L
M A
B
PWC
N
O P
Is the inspection result normal?
YES >> Replace power window and door lock/unlock switch RH. Refer to PWC-118, "Removal and Ins

Page 2976 of 4171

INFINITI QX56 2009 Factory Service Manual
PWC-28
< COMPONENT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES >> Replace front power window motor RH. Refer to GW-15, "Removal and Installation".
NO >> Repair or replace harness.
REAR L

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