2011 INFINITI QX56 ground

POWER WINDOW MOTORPWC-41
< DTC/CIRCUIT DIAGNOSIS >
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REAR LH : Component Function CheckINFOID:0000000006217297
1.CHECK POWER WINDOW MOTOR CIRCUIT
Check rear power window motor LH operation with power window main switch or rear power window switch
LH.
Is the inspection result normal?
YES >> Rear power window motor LH is OK.
NO >> Refer to PWC-41, "
REAR LH : Diagnosis Procedure".
REAR LH : Diagnosis ProcedureINFOID:0000000006217298
1.CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH connector.
3. Turn ignition switch ON.
4. Check voltage between rear power window motor LH harness connector and ground.
Is the inspection result normal?
YES >> Replace rear power window motor LH. Refer to GW-26, "Removal and Installation".
NO >> GO TO 2.
2.CHECK POWER WINDOW MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH connector.
3. Check continuity between rear power window swit ch LH harness connector and rear power window motor
LH harness connector.
4. Check continuity between rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES >> Replace rear power window switch LH. Refer to PWC-74, "Removal and Installation".
NO >> Repair or replace harness.
REAR RH
REAR RH : Componen t Function CheckINFOID:0000000006217299
1. CHECK POWER WINDOW MOTOR CIRCUIT
(+)
(–) Condition Voltage (V)
(Approx.)
Rear power window motor LH
Connector Terminal
D67 1
Ground Rear power window switch LH UP 12
DOWN 0
3 UP 0
DOWN 12
Rear power window switch LH Rear power window motor LH
Continuity
Connector Terminal Connector Terminal
D63 8
D67 1
Existed
93
Rear power window switch LH GroundContinuity
Connector Terminal
D63 8
Not existed
9
Revision: 2010 May2011 QX56

PWC-42
< DTC/CIRCUIT DIAGNOSIS >
POWER WINDOW MOTOR
Check rear power window motor RH operation with power window main switch or rear power window switch
RH.
Is the inspection result normal?
YES >> Rear power window motor RH is OK.
NO >> Refer to PWC-42, "
REAR RH : Diagnosis Procedure".
REAR RH : Diagnosis ProcedureINFOID:0000000006217300
1.CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH connector.
3. Turn ignition switch ON.
4. Check voltage between rear power window motor RH harness connector and ground.
Is the inspection result normal?
YES >> Replace rear power window motor RH. Refer to GW-26, "Removal and Installation".
NO >> GO TO 2.
2.CHECK POWER WINDOW MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch RH connector.
3. Check continuity between rear power window swit ch RH harness connector and rear power window motor
RH harness connector.
4. Check continuity between rear power window switch RH harness connector and ground.
Is the inspection result normal?
YES >> Replace rear power window switch RH. Refer to PWC-74, "Removal and Installation".
NO >> Repair or replace harness.
(+)
(–) Condition Voltage (V)
(Approx.)
Rear power window motor RH
Connector Terminal
D47 1
Ground Rear power window switch RH UP 12
DOWN 0
3 UP 0
DOWN 12
Rear power window switch RH
Rear power window motor RH
Continuity
Connector Terminal Connector Terminal
D43 8
D47 1
Existed
93
Rear power window switch RH GroundContinuity
Connector Terminal
D43 8
Not existed
9
Revision: 2010 May2011 QX56

ENCODERPWC-43
< DTC/CIRCUIT DIAGNOSIS >
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ENCODER
DRIVER SIDE
DRIVER SIDE : Componen t Function CheckINFOID:0000000006217301
1.CHECK ENCODER
Check that driver side door glass performs AUTO open/close operation normally by power window main
switch.
Is the inspection result normal?
YES >> Encoder is OK.
NO >> Refer to PWC-43, "
DRIVER SIDE : Diagnosis Procedure".
DRIVER SIDE : Diag nosis ProcedureINFOID:0000000006217302
1.CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check signal between power window main switch harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Replace power window main switch. Refer to PWC-74, "Removal and Installation".
NO >> GO TO 2.
2.CHECK ENCORDER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector and front power window motor (driver side) connector.
3. Check continuity between power window main s witch harness connector and front power window motor
(driver side) harness connector.
4. Check continuity between power window main switch harness connector and ground.
Signal name(+)
(–)Signal
(Reference value)
Power window main switch
Connector Terminal
Encoder signal 1 D513
Ground Refer to following signal
Encoder signal 2 9
JMKIA5210GB
Power window main switch Front power window motor
(driver side) Continuity
Connector Terminal Connector Terminal
D5 9
D7 6
Existed
13 5
Revision: 2010 May2011 QX56

PWC-44
< DTC/CIRCUIT DIAGNOSIS >
ENCODER
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK ENCORDER POWER SUPPLY
1. Connect power window main switch connector.
2. Turn ignition switch ON.
3. Check voltage between front power window motor (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK ENCORDER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main s witch 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.
5.CHECK GROUND CIRCUIT 1
1. Turn ignition switch OFF.
2. Check continuity 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 6.
6.CHECK GROUND CIRCUIT 2
1. Disconnect power window main switch connector.
Power window main switch
GroundContinuity
Connector Terminal
D5 9
Not existed
13
(+)
(–)Voltage (V)
(Approx.)
Front power window
motor (driver side)
Connector Terminal D7 2 Ground 12
Power window main switch Front po wer window motor (driver side)
Continuity
Connector Terminal Connector Terminal
D5 15 D7 2 Existed
Power window main switch GroundContinuity
Connector Terminal
D5 15 Not existed
Front power window motor (driver side)
GroundContinuity
Connector Terminal
D7 4 Existed
Revision: 2010 May2011 QX56

ENCODERPWC-45
< DTC/CIRCUIT DIAGNOSIS >
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2. Check continuity between power window main s witch harness connector and front power window motor
(driver side) harness connector.
3. 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
PASSENGER SIDE : Comp onent Function CheckINFOID:0000000006217303
1.CHECK ENCODER
Check that passenger side door glass performs AUTO open/close operation normally by power window main
switch or front power window switch (passenger side).
Is the inspection result normal?
YES >> Encoder is OK.
NO >> Refer to PWC-45, "
PASSENGER SIDE : Diagnosis Procedure".
PASSENGER SIDE : Dia gnosis ProcedureINFOID:0000000006217304
1.CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check signal between front power window switch (passenger side) harness connector and ground with oscilloscope.
Is the inspection result normal?
YES >> Replace front power window sw itch (passenger side). Refer to PWC-74, "Removal and Installa-
tion".
NO >> GO TO 2.
2.CHECK ENCORDER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
Power window main switch Front power window motor (driver side)
Continuity
Connector Terminal Connector Terminal
D52D74Existed
Power window main switch GroundContinuity
Connector Terminal
D5 2 Not existed
Signal name (+)
(–)Signal
(Reference value)
Front power window switch (passenger side)
Connector Terminal
Encoder signal 1 D2512
Ground Refer to following signal
Encoder signal 2 15
JMKIA5210GB
Revision: 2010 May2011 QX56

PWC-46
< DTC/CIRCUIT DIAGNOSIS >
ENCODER
2. Disconnect front power window switch (passenger side) connector and front power window motor (pas-
senger side) connector.
3. Check continuity between front power window swit ch (passenger side) harness connector and front power
window motor (passenger side) harness connector.
4. Check continuity between front power window switch (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK ENCORDER POWER SUPPLY
1. Connect front power window switch (passenger side) connector.
2. Turn ignition switch ON.
3. Check voltage between front power window motor (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK ENCORDER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window switch (passenger side) connector.
3. Check continuity between front power window swit ch (passenger side) harness connector and front power
window motor (passenger side) harness connector.
4. Check continuity between front power window switch (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> Replace front power window switch (passenger side). Refer to PWC-74, "Removal and Installa-
tion".
NO >> Repair or replace harness.
5.CHECK GROUND CIRCUIT 1
1. Turn ignition switch OFF.
Front power window switch (passenger side) Front power window motor (passenger side) Continuity
Connector Terminal Connector Terminal
D25 12
D27 5
Existed
15 6
Front power window switch (passenger side) GroundContinuity
Connector Terminal
D25 12
Not existed
15
(+)
(–)Voltage (V)
(Approx.)
Front power window motor (passenger side)
Connector Terminal D27 2 Ground 12
Front power window switch (passenger side) Front power window motor (passenger side) Continuity
Connector Terminal Connector Terminal
D25 4 D27 2 Existed
Front power window switch (passenger side) GroundContinuity
Connector Terminal
D25 4 Not existed
Revision: 2010 May2011 QX56

ENCODERPWC-47
< DTC/CIRCUIT DIAGNOSIS >
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2. Check continuity between front power window motor (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> Replace front power window motor (passenger side). Refer to GW-21, "Removal and Installation".
NO >> GO TO 6.
6.CHECK GROUND CIRCUIT 2
1. Disconnect front power window switch (passenger side) connector.
2. Check continuity between front power window swit ch (passenger side) harness connector and front power
window motor (passenger side) harness connector.
3. Check continuity between front power window switch (passenger side) harness connector and ground.
Is the inspection result normal?
YES >> Replace front power window sw itch (passenger side). Refer to PWC-74, "Removal and Installa-
tion".
NO >> Repair or replace harness.
REAR LH
REAR LH : Component Function CheckINFOID:0000000006217305
1.CHECK ENCODER OPERATION
Check that rear door LH glass performs AUTO open/cl ose operation normally by power window main switch or
rear power window switch LH.
Is the inspection result normal?
YES >> Encoder operation is OK.
NO >> Refer to PWC-47, "
REAR LH : Diagnosis Procedure".
REAR LH : Diagnosis ProcedureINFOID:0000000006217306
1.CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check signal between rear power window switch LH harness connector and ground with oscilloscope.
Front power window motor (passenger side)
GroundContinuity
Connector Terminal
D27 4 Existed
Front power window switch (passenger side) Front power window motor (passenger side) Continuity
Connector Terminal Connector Terminal
D253D274Existed
Front power window switch (passenger side) GroundContinuity
Connector Terminal
D25 3 Not existed
Signal name (+)
(–)Signal
(Reference value)
Rear power window switch LH
Connector Terminal
Encoder signal 1 D6312
Ground Refer to following signal
Encoder signal 2 15
Revision: 2010 May2011 QX56

PWC-48
< DTC/CIRCUIT DIAGNOSIS >
ENCODER
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 ENCORDER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH connector and rear power window motor LH connector.
3. Check continuity between rear power window switch LH harness connector and rear power window motor LH harness connector.
4. Check continuity rear power window switch LH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK ENCORDER POWER SUPPLY
1. Connect rear power window switch LH connector.
2. Turn ignition switch ON.
3. Check voltage between rear power window motor LH harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK ENCORDER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH connector.
3. Check continuity between rear power window switch LH harness connector and rear power window motor LH harness connector.
JMKIA5210GB
Rear power window switch LH Rear power window motor LH Continuity
Connector Terminal Connector Terminal
D63 12
D67 5
Existed
15 6
Rear power window switch LH GroundContinuity
Connector Terminal
D63 12
Not existed
15
(+)
(–)Voltage (V)
(Approx.)
Rear power window motor LH
Connector Terminal D67 2 Ground 12
Revision: 2010 May2011 QX56