2004 INFINITI QX56 lock

GW-16
POWER WINDOW SYSTEM
Revision: August 20072004 QX56
MANUAL OPERATION
Front Driver Side Door
WINDOW UP
When the front LH switch in the main power window and door lock/unlock switch is pressed in the up position,
Power is supplied

through main power window and door lock/unlock switch terminal 8

to front power window motor LH terminal 2.
Ground is supplied

through main power window and door lock/unlock switch terminal 11

to front power window motor LH terminal 1.
Then, the motor raises the window until the switch is released.
WINDOW DOWN
When the front LH switch in the main power window and door lock/unlock switch is pressed in the down posi-
tion
Power is supplied

through main power window and door lock/unlock switch terminal 11

to front power window motor LH terminal 1.
Ground is supplied

through main power window and door lock/unlock switch terminal 8

to front power window motor LH terminal 2.
Then, the motor lowers the window until the switch is released.
Front Passenger Side Door
POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OPERATION
WINDOW UP
When the power window and door lock/unlock switch RH is pressed in the up position
Power is supplied

through power window and door lock/unlock switch RH terminal 8

to front power window motor RH terminal 2.
Ground is supplied

through power window and door lock/unlock switch RH terminal 9

to front power window motor RH terminal 1.
Then, the motor raises the window until the switch is released.
WINDOW DOWN
When the power window and door lock/unlock switch RH is pressed in the down position
Power is supplied

through power window and door lock/unlock switch RH terminal 9

to front power window motor RH terminal 1.
Ground is supplied

through power window and door lock/unlock switch RH terminal 8

to front power window motor RH terminal 2.
Then, the motor lowers the window until the switch is released.
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OPERATION
Signal is sent

through main power window and door lock/unlock switch terminal 14

to power window and door lock/unlock switch RH terminal 16.
The operation of power window after receiving the signal is the same as operating the power window with
power window and door lock/unlock switch RH.
Rear Door (LH or RH)
REAR POWER WINDOW SWITCH LH OR RH OPERATION
WINDOW UP
When the rear power window switch LH or RH is pressed in the up position
Power is supplied

POWER WINDOW SYSTEM
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to rear power window control unit LH or RH terminal 1

through rear power window control unit LH or RH terminal 7

through rear power window switch LH or RH terminal 2 and 3

through rear power window switch LH or RH terminal 5

through rear power window control unit LH or RH terminal 11

to rear power window motor LH or RH terminal 2.
Ground is supplied

to rear power window control unit LH or RH terminal 15

through rear power window control unit LH or RH terminal 16

through rear power window switch LH or RH terminal 1 and 7

through rear power window switch LH or RH terminal 4

through rear power window control unit LH or RH terminal 12

to rear power window motor LH or RH terminal 1.
Then, the motor raises the window until the switch is released.
WINDOW DOWN
When the rear power window switch LH or RH is pressed in the down position
Power is supplied

to rear power window control unit LH or RH terminal 1

through rear power window control unit LH or RH terminal 7

through rear power window switch LH or RH terminal 2 and 3

through rear power window switch LH or RH terminal 4

through rear power window control unit LH or RH terminal 12

to rear power window motor LH or RH terminal 1.
Ground is supplied

to rear power window control unit LH or RH terminal 15

through rear power window control unit LH or RH terminal 16

through rear power window switch LH or RH terminal 1 and 7

through rear power window switch LH or RH terminal 5

through rear power window control unit LH or RH terminal 11

to rear power window motor LH or RH terminal 2.
Then, the motor lowers the window until the switch is released.
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OPERATION
Signal is sent

through main power window and door lock/unlock switch terminal 14

to rear power window control unit LH or RH terminal 1.
The operation of power window after receiving the signal is the same as operating the power window with rear
power window switch LH or RH.
VENT WINDOW CLOSE
When the rear power vent window switch is pressed in the close position
Power is supplied

to rear power vent window relay (CLOSE) terminal 5

through rear power vent window relay (CLOSE) terminal 3

to rear power vent window motors terminal 2.
Ground is supplied

to rear power vent window relay (OPEN) terminal 4

through rear power vent window relay (OPEN) terminal 3

to rear power vent window motors terminal 1.
Then, the motors close the windows until the switch is released.
VENT WINDOW OPEN
When the main power window and door lock/unlock switch (rear LH) is pressed in the open position
Power is supplied

GW-18
POWER WINDOW SYSTEM
Revision: August 20072004 QX56

to rear power vent window relay (OPEN) terminal 5

through rear power vent window relay (OPEN) terminal 3

to rear power vent window motors terminal 1.
Ground is supplied

to rear power vent window relay (CLOSE) terminal 4

through rear power vent window relay (CLOSE) terminal 3

to rear power vent window motors terminal 2.
Then, the motors open the windows until the switch is released.
AUTO OPERATION
The power window AUTO feature enables the driver to open or close the window without holding the window
switch in the down or up position.
POWER WINDOW SERIAL LINK
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH, rear power
window control units and BCM transmit and receive the signal by power window serial link.
The signal is transmitted from BCM to main power window and door lock/unlock switch and power window and
door lock/unlock switch RH

Keyless power window down signal.

Rear power window switch illumination.
The signal is transmitted from main power window and door lock/unlock switch to power window and door
lock/unlock switch RH

Front door window RH operation signal.

Power window control by front door lock assembly LH (key cylinder switch) signal.

Power window lock signal.

Retained power operation signal.

Rear power window operation.
POWER WINDOW LOCK
The power window lock is designed to lock operation of all windows except for front door window LH.
When in the lock position, the power window lock signal is transmitted to power window and door lock/unlock
switch RH by power window serial link. This prevents the power window motor from operating.
RETAINED POWER OPERATION
When the ignition switch is turned to the OFF position from ON or START position.
Power is supplied for 45 seconds

to main power window and door lock/unlock switch terminal 10

from BCM terminal 68.
When power and ground are supplied, the BCM continues to be energized, and the power window can be
operated.
The retained power operation is canceled when the front LH or front RH door is opened.
RAP signal period can be changed by CONSULT-II. Refer to GW-33, "
CONSULT-II Function (BCM)" .
ANTI-PINCH SYSTEM
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and rear
power window control unit LH and RH monitors the power window motor operation and the power window
position (full closed or other) for each power window by the signals from encoder and limit switch in power win-
dow motor.
When a window switch detects interruption during the following close operation,

automatic close operation when ignition switch is in the ON position

automatic close operation during retained power operation
Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and rear
power window control unit LH and RH controls each power window motor for open and the power window will
be lowered about 150 mm (5.91 in).

POWER WINDOW SYSTEM
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POWER WINDOW CONTROL BY THE FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER
SWITCH)
When ignition key switch is OFF, front power window LH and RH can be opened or closed by turning the front
door lock assembly LH (key cylinder switch) to the UNLOCK / LOCK position for more than 3 seconds.

Front power windows can be opened as the front door lock assembly LH (key cylinder switch) is kept fully
turned to the UNLOCK position.

Front power windows can be closed as the front door lock assembly LH (key cylinder switch) is kept fully
turned to the LOCK position.

While performing open/close operation for the windows, power window is stopped when the front door
lock assembly LH (key cylinder switch) is placed in the NEUTRAL position.

When the ignition switch is turned ON while the power window opening operation is performed, the power
window opening stops.
CAN Communication System DescriptionEIS002UO
Refer to LAN-5, "CAN COMMUNICATION" .

GW-30
POWER WINDOW SYSTEM
Revision: August 20072004 QX56
Terminal and Reference Value for Main Power Window and Door Lock/Unlock
Switch
EIS002UR
Terminal and Reference Value for Power Window and Door Lock/Unlock Switch
RH
EIS002US
Terminal Wire Color Item ConditionVoltage (V)
(Approx.)
2 W/B Limit switch and encoder ground — 0
4LFront door key cylinder switch LH
lock signalKey position
(Neutral → Unlocked)5 → 0
6RFront door key cylinder LH switch
unlock signalKey position
(Neutral → Locked)5 → 0
8G/RFront power window motor LH UP
signalWhen power window motor is
operated UP Battery voltage
9 O Limit switch signalDriver side door window is
between fully-open and just
before fully-closed position (ON)0
Driver side door window is
between just before fully-closed
position and fully-closed position
(OFF)5
10 W/L RAP signalWhen ignition switch ON Battery voltage
Within 45 seconds after ignition
switch is turned to OFFBattery voltage
More than 45 seconds after igni-
tion switch is turned to OFF0
When front door LH or RH open
or power window timer operates0
11 G / WFront power window motor LH
DOWN signalWhen power window motor is
operated DOWN Battery voltage
13 G/Y Encoder pulse signalWhen power window motor oper-
ates
14 LG/W Power window serial linkWhen ignition switch ON or
power window timer operates
15 BR Encoder power supplyWhen ignition switch ON or
power window timer operates10
17 B Ground — 0
19 W/R BAT power supply — Battery voltage
OCC3383D
PIIA2344J
Terminal Wire Color Item ConditionVoltage (V)
(Approx.)
3 W/B Limit switch and encoder ground — 0
4 G/R Encoder power supplyWhen ignition switch ON or
power window timer operates10

GW-36
POWER WINDOW SYSTEM
Revision: August 20072004 QX56
Trouble Diagnoses Symptom ChartEIS0 02 UW

Check that other systems using the signal of the following systems operate normally.
Symptom Repair order Refer to page
None of the power windows can be operated using any switch1. BCM power supply and ground circuit checkGW-38
2. Main power window and door lock/unlock
power supply and ground circuit checkGW-39
3. Power window serial link check front LH and
RHGW-40
Front power window LH alone does not operate1. Main power window and door lock/unlock
power supply and ground circuit checkGW-392. Front power window motor LH circuit checkGW-41
3. Replace main power window and door lock/
unlock switchEI-31
Front power window RH alone does not operate1. Power window and door lock/unlock switch
RH power supply and ground circuit checkGW-402. Power window serial link check front LH and
RHGW-54
3. Front power window motor RH circuit checkGW-42
4. Replace BCMBCS-19
Rear power window LH alone does not operate1. Rear power window control unit LH or RH
power supply and ground circuit checkGW-56
2. Rear power window switch LH or RH power
supply and ground circuit checkGW-58
3. Rear power window motor LH circuit checkGW-58
4. Power window serial link check rear LH and
RHGW-64
5. Replace BCMBCS-19
Rear power window RH alone does not operate1. Rear power window control unit LH or RH
power supply and ground circuit checkGW-56
2. Rear power window switch LH or RH power
supply and ground circuit checkGW-58
3. Rear power window motor RH circuit checkGW-59
4. Power window serial link check rear LH and
RHGW-64
5. Replace BCMBCS-19
Rear power vent windows do not operate 1. Rear power vent window switch circuit checkGW-65
Rear power vent window LH alone does not operate1. Rear power vent window motor LH circuit
checkGW-65
Rear power vent window RH alone does not operate1. Rear power vent window motor RH circuit
checkGW-66
Rear power vent windows do not open1. Rear power vent window relay (OPEN)
checkGW-65
Rear power vent windows do not close1. Rear power vent window relay (CLOSE)
checkGW-65

POWER WINDOW SYSTEM
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Anti-pinch system does not operate normally (Front LH)1. Door window sliding part malfunction

A foreign material adheres to window glass
or glass run rubber.

Glass run rubber wear or deformation.

Sash is tilted too much, or not enough.—
2. Limit switch adjustingGW-71
3. Limit switch circuit check front LHGW-43
4. Encoder circuit check front LHGW-46
Anti-pinch system does not operate normally (Front RH)1. Door window sliding part malfunction

A foreign material adheres to window glass
or glass run rubber.

Glass run rubber wear or deformation.

Sash is tilted too much, or not enough.—
2. Limit switch adjustingGW-71
3. Limit switch circuit check front RHGW-44
4. Encoder circuit check front RHGW-48
Anti-pinch system does not operate normally (Rear LH)1. Door window sliding part malfunction

A foreign material adheres to window glass
or glass run rubber.

Glass run rubber wear or deformation.

Sash is tilted too much, or not enough.—
2. Limit switch adjustingGW-72
3. Limit switch circuit check rear LH or RHGW-60
4. Encoder circuit check rear LH or RHGW-62
Anti-pinch system does not operate normally (Rear RH)1. Door window sliding part malfunction

A foreign material adheres to window glass
or glass run rubber.

Glass run rubber wear or deformation.

Sash is tilted too much, or not enough.—
2. Limit switch adjustingGW-72
3. Limit switch circuit check rear LH or RHGW-60
4. Encoder circuit check rear LH or RHGW-62
Power window retained power operation does not operate properly1. Check the retained power operation mode
setting.GW-342. Door switch checkGW-50
3. Replace BCM.BCS-19
Power windows do not operate by key cylinder switch LH1. Door key cylinder switch LH checkGW-522. Replace main power window and door lock/
unlock switchEI-31
Power window lock switch does not function 1. Power window lock switch circuit checkGW-54
Symptom Repair order Refer to page

POWER WINDOW SYSTEM
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Revision: August 20072004 QX56
Main Power Window and Door Lock/Unlock Switch Power Supply and Ground
Circuit Check
EIS002UY
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/unlock switch connector D7 terminal 10, D8
terminal 19 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between main power window and door lock/unlock switch connector D8 terminal 17 and
ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace harness.
3. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector M20 terminals 68, 69 and main power window and door lock/
unlock switch connector D7 terminal 10 and D8 terminal 19.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.10 (W/L) - Ground : Battery voltage
19 (W/R) - Ground : Battery voltage
LIIA2297E
17 (B) - Ground : Continuity should exist.
LIIA0392E
68 (W/L) - 10 (W/L) : Continuity should exist.
69 (W/R) - 19 (W/R) : Continuity should exist.
WIIA0506E