INFINITI QX56 2004 Factory Service Manual

GW-66
POWER WINDOW SYSTEM
Revision: August 20072004 QX56
Rear Power Vent Window Motor RH Circuit CheckEIS002VD
1. CHECK REAR POWER VENT WINDOW SWITCH RH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power vent window motor RH.
3. Turn ignition switch ON.
4. Check voltage between rear power vent window motor RH connector B150 terminal 1, 2 and ground.
OK or NG
OK >> Replace rear power vent window motor RH.
NG >> Repair or replace harness.
Rear Power Vent Window Relay (OPEN) CheckEIS002VE
1. CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (OPEN).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (OPEN) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK REAR POWER VENT WINDOW RELAY (OPEN)
Check continuity between rear power vent window relay (OPEN) terminals 3 and 4, 3 and 5.
OK or NG
OK >> GO TO 3.
NG >> Replace rear power vent window relay (OPEN).
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
B1501 (BR)
GroundOpening Battery voltage
Closing 0
2 (R)Opening 0
Closing Battery voltage
WIIA0290E
ConnectorTerminals (Wire color)
Voltage (V)
(Approx.)
(+) (-)
M871 (W/L)
Ground Battery voltage
5 (W/R)
LIIA1565E
Terminal Condition Continuity
3412V direct current supply
between terminals 1 and 2No
No current supply Yes
3512V direct current supply
between terminals 1 and 2Ye s
No current supply No
WIIA0291E

POWER WINDOW SYSTEM
GW-67
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Revision: August 20072004 QX56
3. CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear power vent window relay (OPEN)
connector M87 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (OPEN)
connector M87 terminal 2 and rear power vent window switch
connector R103 terminal 3.
OK or NG
OK >> Replace rear power vent window switch.
NG >> Repair or replace harness.
Rear Power Vent Window Relay (CLOSE) CheckEIS002VF
1. CHECK REAR POWER VENT WINDOW RELAY (CLOSE) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (CLOSE).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (CLOSE) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.4 (B) - Ground : Continuity should exist.
LIIA1567E
2 (G/R) - 3 (BR/W) : Continuity should exist.
LIIA1568E
ConnectorTerminals (Wire color)
Voltage (V)
(Approx.)
(+) (-)
M891 (W/L)
Ground Battery voltage
5 (W/R)
LIIA1565E

GW-68
POWER WINDOW SYSTEM
Revision: August 20072004 QX56
2. CHECK REAR POWER VENT WINDOW RELAY (CLOSE)
Check continuity between rear power vent window relay (CLOSE) terminals 3 and 4, 3 and 5.
OK or NG
OK >> GO TO 3.
NG >> Replace rear power vent window relay (CLOSE).
3. CHECK REAR POWER VENT WINDOW RELAY (CLOSE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear power vent window relay
(CLOSE) connector M89 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK REAR POWER VENT WINDOW RELAY (CLOSE) CIRCUIT
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (CLOSE) connector M89 terminal 2 and rear
power vent window switch R103 terminal 4.
OK or NG
OK >> Replace rear power vent window switch.
NG >> Repair or replace harness.
Terminal Condition Continuity
3412V direct current supply
between terminals 1 and 2No
No current supply Yes
3512V direct current supply
between terminals 1 and 2Ye s
No current supply No
WIIA0291E
4 (B) - Ground : Continuity should exist.
LIIA1567E
2 (R/G) - 4 (V/W) : Continuity should exist.
LIIA1569E

FRONT DOOR GLASS AND REGULATOR
GW-69
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Revision: August 20072004 QX56
FRONT DOOR GLASS AND REGULATORPFP:80300
Removal and InstallationEIS00623
FRONT DOOR GLASS
Removal
1. Remove the front door speaker. Refer to AV-45, "Removal and Installation of Front Door Speaker" .
2. Remove the hole cover over rear door glass bolt.
3. Temporarily reconnect the power window switch to the door harness.
4. Operate the power window main switch to raise/lower the door glass until the door glass bolts can be
seen.
5. Remove the inside seal.
6. Remove the door glass bolts.
7. While holding the front door glass, raise it at the rear end and
pull the door glass out of the sash toward the outside of the
door.
Installation
Installation is in the reverse order of removal.
LIIA0959E
LIIA1687E
Door glass bolts : 6.1 N·m (0.62 kg-m, 54 in-lb)

GW-70
FRONT DOOR GLASS AND REGULATOR
Revision: August 20072004 QX56
FRONT DOOR GLASS REGULATOR
Removal
1. Remove the front door speaker. Refer to AV- 4 5 , "Removal and Installation of Front Door Speaker" .
2. Remove the hole cover over rear door glass bolt.
3. Temporarily reconnect the power window switch to the door harness.
4. Operate the power window main switch to raise/lower the door glass until the door glass bolts can be
seen.
5. Remove the inside seal.
6. Remove the door glass bolts.
7. Raise the front door glass and hold it in place with suitable tool
(A).
8. Disconnect the harness connector from the regulator assembly.
9. Remove the bolts and the regulator assembly.
Inspection After Removal
Check the regulator assembly for the following items. If a malfunc-
tion is detected, replace or grease it.

Wire wear

Regulator deformation

Grease condition for each sliding part
The arrows in the figure show the application points of the body
grease.
Disassembly
Remove the regulator motor from the regulator assembly.
Installation
1. Install the regulator assembly. Refer to GW-69, "Removal and Installation" .
2. Connect the harness connector to the regulator assembly.
3. Align the door glass and install the door glass bolts.
4. Reset the limit switch. Refer to GW-71, "
Setting of Limit Switch" .
5. Install front door speaker. Refer to AV- 4 5 , "
Removal and Installation of Front Door Speaker" .
FITTING INSPECTION AND SETTING AFTER INSTALLATION
Fitting

Check that the door glass is securely fit into the door glass run groove.

Lower the door glass slightly [approximately 10 to 20 mm (0.39 to 0.79 in)] and check that the clearance to
the sash is parallel. If the clearance between the glass and sash is not parallel, loosen the regulator bolts,
guide rail bolts, and door glass and guide rail bolts to correct the door glass position.
WIIA0767E
LIIA0670E
Door glass bolts : 6.1 N·m (0.62 kg-m, 54 in-lb)

FRONT DOOR GLASS AND REGULATOR
GW-71
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Revision: August 20072004 QX56
Setting of Limit Switch
If any of the following work has been done, set the limit switch (integrated in the motor).

Removal and installation of the regulator.

Removal and installation of the motor from the regulator.

Removal and installation of the door glass.

Removal and installation of the door glass run.
Resetting
After installing each component, perform the following procedure to reset the limit switch.
1. Raise the door glass to the top position.
2. While pressing and holding the reset switch, lower the door
glass to the bottom position.
3. Release the reset switch. Verify that the reset switch returns to the original position, if not, pull the switch
using suitable tool.
4. Raise the door glass to the top position.
CAUTION:
Do not operate the door glass automatically to raise the door glass to the top position.
SIIA0347E

GW-72
REAR DOOR GLASS AND REGULATOR
Revision: August 20072004 QX56
REAR DOOR GLASS AND REGULATORPFP:82300
Removal and InstallationEIS0062N
REAR DOOR GLASS
Removal
1. Remove the rear door finisher. Refer to EI-32, "Rear Door" .
2. Temporarily reconnect the power window switch to the door harness.
3. Operate the power window switch to raise/lower the door glass until the door glass bolts can be seen.
4. Remove inside seal.
5. Remove glass run from partition glass.
6. Remove partition sash bolt (B) and screw (A) to remove the
sash.
WIIA0298E
WIIA0768E

REAR DOOR GLASS AND REGULATOR
GW-73
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Revision: August 20072004 QX56
7. Remove door glass bolts and door glass.
8. Remove door glass.
Installation
Installation is in the reverse order of removal.
REAR DOOR GLASS REGULATOR
Removal
1. Remove the rear door finisher. Refer to EI-32, "Rear Door" .
2. Operate the power window switch to raise/lower the door glass
until the door glass bolts can be seen.
3. Remove the inside seal.
4. Remove the door glass bolts.
5. Raise the rear door glass and hold it in place with suitable tool
(A).
6. Remove the bolts, and the regulator and guide channel.
7. Disconnect the connector from the regulator assembly.
SIIA0290E
Door glass bolts : 6.1 N·m (0.62 Kg-m, 54 in-lb)
SIIA0290E
WIIA0765E
SIIA0291E

GW-74
REAR DOOR GLASS AND REGULATOR
Revision: August 20072004 QX56
Inspection after removal
Check the regulator assembly for the following items. If a malfunction is detected, replace or grease it.

Gear wear

Regulator deformation

Spring damage

Grease condition for each sliding part
Installation
1. Connect the harness connector to the regulator assembly and
install the regulator and guide channel.
2. Install the door glass from outside to ensure that it is in both the
front and rear glass channels. Tighten door glass bolts to the
specified torque.
3. Install the inside seal.
4. Install the rear door finisher. Refer to EI-32, "
Rear Door" .
Fitting Inspection After Installation

Check that the door glass is securely fit into the glass run groove.

Lower the door glass slightly [approximately 10 to 20 mm (0.39 to 0.79 in)], and check that the clearance
to the sash is parallel. If the clearance between the glass and sash is not parallel, loosen the regulator
bolts, guide rail bolts, and glass and carrier plate bolts to correct the glass position.
SIIA0291E
Door glass bolts : 6.1 N·m (0.62 kg-m, 54 in-lb)
SIIA0290E

SIDE WINDOW GLASS
GW-75
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Revision: August 20072004 QX56
SIDE WINDOW GLASSPFP:83300
Removal and InstallationEIS002VJ
REMOVAL
1. Remove the rear upper finisher. Refer to EI-34, "BODY SIDE TRIM" .
2. Disconnect the rear side window motor harness.
3. Remove the rear side window motor bolts.
4. Remove the rear side window front nuts and the glass.
INSTALLATION
1. Install the glass from outside to insure that it is even with the top and bottom of the opening. Tighten rear
side window front nuts to the specified torque.
2. Install rear side window motor bolts. Tighten rear side window latch bolts to the specified torque.
3. Connect the rear side window motor harness.
4. Install rear pillar lower finisher. Refer to EI-34, "
BODY SIDE TRIM" .
1. Rear side window glass 2. Rear side window motor 3. Weatherstrip
4. Inner panel 5. Outer panel
LIIA0965E
Glass nuts : 4.2 N·m (0.43 kg-m, 37 in-lb)
Motor bolts : 5.6 N·m (0.57 kg-m, 49 in-lb)