Infiniti FX35, FX50 (S51). Manual — part 1520
INSPECTION AND ADJUSTMENT
PWC-141
< BASIC INSPECTION >
[FRONT WINDOW ANTI-PINCH]
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• Disconnection and connection of power window main switch harness connector.
• Removal and installation of motor from regulator assembly.
• Disconnection and connection of battery negative terminal.
• Removal and installation of glass.
• Removal and installation of door glass run.
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000005248256
INITIALIZATION PROCEDURE
1.
Disconnect the battery negative terminal or power window main switch connector. Reconnect it after a
minute or more.
2.
Turn ignition switch ON.
3.
Operate power window switch to fully open the window. (This operation is unnecessary if the window is
already fully open)
4.
Continue pulling the power window switch UP (AUTO-UP operation). Even after glass stops at the fully
closed position, keep pulling the switch for 3 seconds or more.
5.
Initializing procedure is completed.
6.
Inspect anti-pinch function.
CHECK ANTI-PINCH FUNCTION
1.
Fully open the door window.
2.
Place a piece of wood near fully closed position.
3.
Close door glass completely with AUTO-UP.
• Check that glass lowers for approximately 150 mm (5.9 in) or for 2 seconds without pinching piece of wood
and stops.
• Check that glass does not rise when operating the power window main switch while lowering.
CAUTION:
• Perform initial setting when auto-up operation or anti-pinch function does not operate normally.
• Check that AUTO-UP operates before inspection when system initialization is performed.
• Never check with hands or other body parts because they may be pinched. Never get pinched.
• It may switch to fail-safe mode if open/close operation is performed continuously without fully clos-
ing. Perform initial setting in that situation. Refer to
• Finish initial setting. Otherwise, next operation cannot be done.
1.
Auto-up operation
2.
Anti-pinch function
PWC-142
< SYSTEM DESCRIPTION >
[FRONT WINDOW ANTI-PINCH]
POWER WINDOW SYSTEM
SYSTEM DESCRIPTION
POWER WINDOW SYSTEM
System Diagram
INFOID:0000000005248257
System Description
INFOID:0000000005248258
POWER WINDOW OPERATION
• Power window system is activated by power window switch operation when ignition switch turns ON, or dur-
ing the retained power operation after ignition switch turns OFF.
• Power window main switch (driver side) can open/close all windows.
• Front & rear power window switch can open/close the corresponding windows.
POWER WINDOW AUTO-OPERATION (FRONT DRIVER SIDE & PASSENGER SIDE)
• AUTO UP/DOWN operation can be performed when power window main switch & front power window
switch (passenger side) is turned to AUTO.
• Encoder continues detecting the movement of power window motor and transmits the encoder pulse signal
to power window switch while power window motor is operating.
• Power window switch reads the changes of encoder signal and stops AUTO operation when door glass is at
the fully opened/closed position.
• Power window motor is operable if encoder is malfunctioning.
RETAINED POWER OPERATION
• Retained power operation is an additional power supply function that enables power window system to oper-
ate during the 45 seconds even when ignition switch is turned OFF
Retained power function cancel conditions
• Front door CLOSE (door switch OFF)
→
OPEN (door switch ON).
• When ignition switch is ON.
• When timer time passes. (45 seconds)
POWER WINDOW LOCK FUNCTION
Ground circuit inside power window main switch shuts off when power window lock switch is ON. This inhibits
power window switch operation except with the power window main switch.
JMKIA2683GB
POWER WINDOW SYSTEM
PWC-143
< SYSTEM DESCRIPTION >
[FRONT WINDOW ANTI-PINCH]
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ANTI-PINCH OPERATION (FRONT DRIVER SIDE & PASSENGER SIDE)
• Pinch foreign matter in the door glass during AUTO-UP operation, and it is the anti-pinch function that lowers
the door glass 150 mm (5.9 in) or for 2 seconds when detected.
• Encoder continues detecting the movement of power window motor and transmits to power window switch
as the encoder pulse signal while power window motor is operating.
• Resistance is applied to the power window motor rotation that changes the frequency of encoder pulse sig-
nal if foreign material is trapped in the door glass.
• Power window switch controls to lower the door glass for 150 mm (5.9 in) or for 2 seconds after it detects
encoder pulse signal frequency change.
OPERATION CONDITION
• When all door glass AUTO-UP operation is performed (anti-pinch function does not operate just before the
door glass closes and is fully closed)
NOTE:
Depending on environment and driving conditions, if a similar impact or load is applied to the door glass, it
may lower.
DOOR KEY CYLINDER SWITCH OPERATION
Hold the door key cylinder to the LOCK or UNLOCK direction for 1.5 seconds or more to OPEN or CLOSE all
power windows when ignition switch is OFF. In addition, it stops when key position is moved to NEUTRAL
when operating.
OPERATION CONDITION
• Ignition switch OFF.
• Hold door key cylinder to LOCK position for 1.5 seconds or more to perform CLOSE operation of the door
glass.
• Hold door key cylinder to UNLOCK position for 1.5 seconds or more to perform OPEN operation of the door
glass.
KEYLESS POWER WINDOW DOWN OPERATION (FRONT DRIVER SIDE & PASSENGER SIDE)
All power windows open when the unlock button on Intelligent Key is activated and kept pressed for more than
3* seconds with the ignition switch OFF. The windows keep opening if the unlock button is continuously
pressed.
The power window opening stops when the following operations are performed:
• When the unlock button is kept pressed more than 15 seconds.
• When the ignition switch is turned ON while the power window opening is operated.
• When the unlock button is released.
While retained power operation activate, keyless power window down function cannot be operated.
Keyless power window down operation mode can be changed by “PW DOWN SET” mode in “WORK SUP-
PORT”. Refer to
DLK-54, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"
.
NOTE:
Use CONSULT-III to change settings.
MODE 1 (3 sec) / MODE 2 (OFF) / MODE 3 (5 sec)
PWC-144
< SYSTEM DESCRIPTION >
[FRONT WINDOW ANTI-PINCH]
POWER WINDOW SYSTEM
Component Parts Location
INFOID:0000000005248259
Component Description
INFOID:0000000005248260
1.
BCM M118, M119, M122, M123
2.
Front door lock assembly (driver
side) (key cylinder switch) D15
3.
Front power window motor (driver
side) D10
4.
Rear power window motor LH D52
5.
Power window main switch D8, D9
6.
Rear power window switch LH D54
7.
Front door switch (driver side) B16
8.
Remote keyless entry receiver M104
A.
View with dash side lower (passen-
ger side) removed
B.
View with front door finisher removed C.
View with rear door finisher removed
D.
View with instrument lower panel
(driver side) removed
JMKIA2632ZZ
Component
Function
BCM
• Supplies power supply to power window switch.
• Controls retained power.
Power window main switch
• Directly controls all power window motor of all doors.
• Controls anti-pinch operation of power window.
Front power window switch
(passenger side)
• Controls power window motor of passenger door.
• Controls anti-pinch operation of power window.
Rear power window switch
• Controls power window motor of rear right and left doors.
Front power window motor
• Integrates the ENCODER POWER and WINDOW MOTOR.
• Starts operating with signals from power window main switch & front power window
switch (passenger side).
• Transmits power window motor rotation as a pulse signal to power window switch.
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