2007 INFINITI QX56 air condition

POWER WINDOW SYSTEM
GW-39
< SERVICE INFORMATION >
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1. Turn ignition switch ON.
2. Check voltage between power window motor RH connector
D105 terminal 15 and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
2.CHECK FRONT POWER WINDOW MOTOR RH LIMIT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor RH connector
D104 terminal 5 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3.CHECK LIMIT SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between front power window motor RH con-
nector D104 terminal 6 and ground.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-59.
NG >> GO TO 4.
4.CHECK HARNESS CONTINUITY
1. Disconnect power window and door lock/unlock switch RH.
2. Check continuity between front power window motor RH con-
nector D104 terminal 6 and power window and door lock/unlock
switch RH connector D105 terminal 3.
OK or NG
OK >> Replace power window and door lock/unlock switch RH.
Refer to EI-31, "
Removal and Installation".
NG >> Repair or replace harness.
5.CHECK HARNESS CONTINUITY
ConnectorTe r m i n a l s
Condition Voltage (V)
(Approx.)
(+) (-)
D105 15 GroundFront power window RH is
between fully-open and just
before fully-closed position
(ON)0
Front power window RH is
between just before fully-
closed position and fully-
closed position (OFF)5
LIIA1263E
5 - Ground : Approx. 5V
LIIA0922E
6 - Ground : Continuity should exist.
LIIA0923E
6 - 3 : Continuity should exist.
LIIA1264E

POWER WINDOW SYSTEM
GW-41
< SERVICE INFORMATION >
C
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1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between front power window motor LH connec-
tor D9 terminal 6 and main power window and door lock/unlock
switch connector D7 terminal 2.
OK or NG
OK >> Replace main power window and door lock/unlock
switch. Refer to EI-31, "
Removal and Installation" .
NG >> Repair or replace harness.
5.CHECK ENCODER SIGNAL
1. Connect front power window motor LH.
2. Turn ignition switch ON.
3. Check the signal between main power window and door lock/
unlock switch connector and ground with oscilloscope.
OK or NG
OK >> Replace main power window and door lock/unlock switch. Refer to EI-31, "Removal and Installa-
tion".
NG >> GO TO 6.
6.CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor LH and main power win-
dow and door lock/unlock switch.
3. Check continuity between front power window motor LH connec-
tor D9 (B) terminal 3 and main power window and door lock/
unlock switch connector D7 (A) terminal 13.
OK or NG
OK >> Replace front power window motor LH. Refer to GW-59.
NG >> Repair or replace harness.
Encoder Circuit Inspection Front RHINFOID:0000000003533045
1.CHECK POWER WINDOW MOTOR RH POWER SUPPLY6 - 2 : Continuity should exist.
LIIA0924E
Connec-
torTe r m i n a l s
Condition Signal
(+) (-)
D7 13 Ground Opening
LIIA0364E
OCC3383D
3 - 13 : Continuity should exist.
LIIA2210E

POWER WINDOW SYSTEM
GW-43
< SERVICE INFORMATION >
C
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1. Connect front power window motor RH.
2. Turn ignition switch ON.
3. Check the signal between power window and door lock/unlock
switch RH connector and ground with oscilloscope.
OK or NG
OK >> Replace power window and door lock/unlock switch RH. Refer to EI-31, "Removal and Installa-
tion".
NG >> GO TO 6.
6.CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and power window
and door lock/unlock switch RH.
3. Check continuity between front power window motor RH con-
nector D104 terminal 3 and power window and door lock/unlock
switch RH connector D105 terminal 12.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-59.
NG >> Repair or replace harness.
Door Switch CheckINFOID:0000000003533046
1.CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check front door switches (“DOOR SW-DR” and “DOOR SW-AS” )
in “DATA MONITOR” mode with CONSULT-II. Refer to GW-31,
"CONSULT-II Function (BCM)".
Without CONSULT-II
Connec-
torTe r m i n a l s
Condition Signal
(+) (-)
D105 12 Ground Opening
LIIA1267E
OCC3383D
3 - 12 : Continuity should exist.
LIIA1268E
Monitor item Condition
DOOR SW-DROPEN: ON
CLOSE: OFF
DOOR SW-ASOPEN: ON
CLOSE: OFF
PIIA2464E

GW-44
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
Check voltage between BCM connector and ground.
OK or NG
OK >> Front door switch is OK.
NG >> GO TO 2.
2.CHECK FRONT DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front door switch LH or RH and BCM.
3. Check continuity between front door switch connector B8 (LH)
or B108 (RH) terminal 2 and BCM connector M19 terminal 47
(LH) or connector M18 terminal 12 (LH).
4. Check continuity between front door switch connector B8 (LH)
or B108 (RH) terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR SWITCH
Check continuity between each front door switch terminal 2 and
body ground part of front door switch.
OK or NG
OK >> Replace BCM. Refer to BCS-24, "BCM".
NG >> Replace malfunctioning front door switch.
Front Door Lock Assembly LH (Key Cylinder Switch) CheckINFOID:0000000003533047
1.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) INPUT SIGNAL
With CONSULT-II
Item ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
Front RH M18 12
GroundOPEN 0
CLOSE Battery voltage
Front LH M19 47OPEN 0
CLOSE Battery voltage
LIIA0946E
Front LH
2 - 47 : Continuity should exist.
Front RH
2 - 12 : Continuity should exist.
2 - Ground : Continuity should not exist.
LIIA0947E
Terminal Door switch Continuity
2Body ground part
of front door
switchPushed No
Released Yes
LIIA2377E

POWER WINDOW SYSTEM
GW-49
< SERVICE INFORMATION >
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1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 69 and
rear power window control unit LH or RH connector D209 (LH),
D309 (RH) terminal 13.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and
ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-24, "
BCM".
Rear Power Window Switch LH or RH Power Supply and Ground Circuit Inspection
INFOID:0000000003533050
1.CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window switch LH or RH
connector D203 (LH), D303 (RH) terminals 2, 3 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Check continuity between rear power window switch LH or RH
connector D203 (LH), D303 (RH) terminals 1, 7 and ground.
OK or NG
OK >> Rear power window switch LH or RH power supply and
ground circuit is OK. Refer to GW-32, "
Trouble Diagno-
sis Symptom Chart".
NG >> Repair or replace harness.69 - 13 : Continuity should exist.
LIIA1352E
69 - Ground : Battery voltage
WIIA0508E
2 - Ground : Battery voltage
3 - Ground : Battery voltage
LIIA1348E
1 - Ground : Continuity should exist.
7 - Ground : Continuity should exist.
LIIA2044E

GW-50
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
Rear Power Window Motor LH Circuit Inspection
INFOID:0000000003533051
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.
OK or NG
OK >> Replace rear power window switch LH. Refer to EI-31, "Removal and Installation".
NG >> GO TO 2.
2.CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
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.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
1. Disconnect rear power window motor LH.
2. Check continuity between rear power window control unit LH
connector D209 terminals 11, 12 and rear power window motor
LH connector D204 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor LH. Refer to GW-62,
"Removal and Installation".
NG >> Repair or replace harness.
Rear Power Window Motor RH Circuit InspectionINFOID:0000000003533052
1.CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D2034
GroundClosing 0
Opening Battery voltage
5Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2 : Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E

POWER WINDOW SYSTEM
GW-51
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
MA
B
GW
N
O
P
1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector
D303 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch RH. Refer to EI-31, "Removal and Installation".
NG >> 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.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
1. Disconnect rear power window motor RH.
2. Check continuity between rear power window control unit RH
connector D309 terminals 11, 12 and rear power window motor
RH connector D304 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor RH. Refer to GW-62,
"Removal and Installation".
NG >> Repair or replace harness.
Limit Switch Circuit Inspection Rear LH and RHINFOID:0000000003533053
1.CHECK REAR POWER WINDOW MOTOR LH AND RH LIMIT SWITCH SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH or
RH connector and ground.
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D3034
GroundClosing 0
Opening Battery voltage
5Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2 : Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E
ConnectorTe r m i n a l s
Condition Voltage (V)
(Approx.)
(+) (-)
LIIA2366E

GW-54
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
1. Disconnect rear power window control unit LH or RH.
2. Check continuity between rear power window motor LH or RH
connector D204 (LH) or D304 (RH) terminal 6 and rear power
window control unit LH or RH connector D209 (LH), D309 (RH)
terminal 3.
OK or NG
OK >> Replace rear power window control unit LH or RH.
NG >> Repair or replace harness.
5.CHECK ENCODER SIGNAL
1. Connect rear power window motor LH or RH and rear power
window control unit LH or RH.
2. Turn ignition switch ON.
3. Check the signal between rear power window control unit LH or
RH connector D209 (LH) or D309 (RH) terminal 4 and ground
with oscilloscope.
OK or NG
OK >> GO TO 6.
NG >> Replace rear power window control unit LH or RH.
6.CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH or RH and rear
power window motor LH or RH.
3. Check continuity between rear power window control unit LH or
RH connector D209 (LH) or D309 (RH) terminal 4 and rear
power window motor LH or RH connector D204 (LH), D304 (RH)
terminal 3.
OK or NG
OK >> Replace rear power window motor LH or RH. Refer to
GW-62, "
Removal and Installation".
NG >> Repair or replace harness.
Power Window Serial Link Check Rear LH or RHINFOID:0000000003533055
1.CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH
1. Replace with operative rear power window control unit LH or RH.
2. Does window operate normally?
OK or NG
OK >> Replace rear power window control unit LH or RH.
NG >> GO TO 2.6 - 3 : Continuity should exist.
LIIA1383E
Connec-
torTe r m i n a l s
Condition Signal
(+) (-)
D209
(LH)4
Ground Opening
D309
(RH)4
LIIA2368E
OCC3383D
4 - 3 : Continuity should exist.
LIIA1389E