Nissan Quest E52. Manual - part 974

 

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Nissan Quest E52. Manual - part 974

 

 

PWC-8

< SYSTEM DESCRIPTION >

[FRONT WINDOW ANTI-PINCH]

COMPONENT PARTS

Power Window Main Switch

INFOID:0000000009653273

• Directly controls all power window motor of all doors.
• Controls anti-pinch operation of power window.

Front Power Window Motor (Driver Side)

INFOID:0000000009653274

• Integrates the encoder and power window motor.
• Operates with signals from power window main switch.
• Transmits front power window motor (driver side) rotation as a pulse signal to power window main switch.

Sliding Door Power Window Switch

INFOID:0000000009653275

Controls power window motor of sliding door.

Sliding Door Power Window Motor

INFOID:0000000009653276

Operates with signals from power window main switch and sliding door power window switch.

4.

Front door switch (driver side)

Detects door open/close condition and transmits to BCM. Refer to 

DLK-28, 

"Front Door Switch"

.

5.

Front door lock assembly (driver side) (key 
cylinder switch)

Transmits operation condition of key cylinder switch to power window main 
switch. Refer to 

DLK-28, "Front Door Lock Assembly (Driver Side)"

.

6.

Sliding door power window switch LH

Refer to 

PWC-8, "Sliding Door Power Window Switch"

.

7.

Sliding door power window motor LH

Refer to 

PWC-8, "Sliding Door Power Window Motor"

.

8.

Remote keyless entry receiver

Receives key ID signal from the Intelligent Key, and then transmits to BCM.
Refer to 

DLK-18, "DOOR LOCK SYSTEM : Component Parts Location"

 for 

detailed installation location.

No.

Component

Function

SYSTEM

PWC-9

< SYSTEM DESCRIPTION >

[FRONT WINDOW ANTI-PINCH]

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SYSTEM

System Description

INFOID:0000000009653277

SYSTEM DIAGRAM

DESCRIPTION

• Power window system is activated by power window switch when ignition switch turns ON, or during the

retained power operation after ignition switch turns OFF.

• Power window main switch opens/closes all door glass.
• Front and sliding door power window switch opens/closes the corresponding door glass.
• AUTO UP/DOWN operation can be performed when power window main switch or front power window

switch (passenger side) turns to AUTO.

• Power window serial link transmits the signals from power window main switch to front power window switch

(passenger side).

• Power window lock switch can lock all power windows other than driver seat.
• If door glass receives resistance that is the specified value or more while power window of front seat is in

AUTO-UP operation, power window of front seat operates in the reverse direction.

• Hold the door key cylinder to the LOCK or UNLOCK direction for 1.5 seconds or more to OPEN or CLOSE

front power windows when ignition switch OFF.

• Front power windows open when pressing Intelligent Key unlock button for 3 seconds.

Power Window AUTO-Operation

• AUTO UP/DOWN operation can be performed when power window main switch or front power window

switch (passenger side) turns 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

JMKIA7861GB

PWC-10

< SYSTEM DESCRIPTION >

[FRONT WINDOW ANTI-PINCH]

SYSTEM

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 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
each power window switch operation except the power window main switch.

Power Window Serial Link

• Power window main switch, front power window switch (passenger side), and BCM transmit and receive the

signal by power window serial link.

• Power window serial link transmits the power window main switch operation signals and retained power sig-

nal to power window main switch module and front power window switch (passenger side) module.

Anti-Pinch Operation

• 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) after it detects encoder pulse sig-

nal frequency change.

Operation Condition
When front 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
front power windows when ignition switch is OFF. In addition, it stops when key position is moved to NEU-
TRAL when operating.

Operation Conditions

• 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 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-95, "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)"

.

SYSTEM

PWC-11

< SYSTEM DESCRIPTION >

[FRONT WINDOW ANTI-PINCH]

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Circuit Diagram

INFOID:0000000009653278

Fail-safe

INFOID:0000000009653279

FAIL-SAFE CONTROL

Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and
direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between
the fully closed position and the actual position of the glass.

JMKIA7968GB

 

 

 

 

 

 

 

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