Infiniti Q45. Manual

POWER WINDOW SYSTEM

GW-17

System Description

NIS000YM

OUTLINE

Power window system consists of

●

BCM (Body Control Module)

●

driver door control unit (LCU1)

●

passenger, rear LH, RH door control units

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four power window motors

BCM is connected to driver door control unit (LCU1) via DATA LINE A–3, and driver control unit (LCU1) and
other door control units supply power and ground to each power window motor.
When ignition switch is in the “ON” position, power window will be operated depending on power window sub/
main switch (which is combined with each door control unit) condition.

OPERATIVE CONDITION

●

Power windows can be raised or lowered with each sub-switch or the power window main switch located
on the front door trim (driver side) when ignition key is in the “ON” position and power window lock switch
on the front door trim (driver side) is unlocked.

●

When power window lock switch is locked, no windows can be raised or lowered except for driver side
window.

●

When ignition key is in the “ON” position, to fully open/close the front windows, press down/pull com-
pletely on the automatic switch and release it; it needs not be held. The window will automatically open/
close all the way. To stop the window, pull up/press down then release the switch.

DELAYED POWER OPERATION

When the ignition switch is turned to the “OFF” position, the power window will still operate for up to approxi-
mately 45 seconds unless the driver or passenger side door is opened. (Power window timer)

ANTI-PINCH SYSTEM

Driver door control unit (LCU01) /passenger, rear LH, RH door control unit monitor the power window motor
operation and the power window position (full closed or other) by the signals
from encoder and limit switch in power window motor.
When driver door control unit (LCU01) /passenger, rear LH RH door control unit detect interruption during the
following close operation in the each door,
driver door control unit (LCU01) / passenger, rear LH,RH door control unit control each power window motor
for open and the power window will be lowered about 150 mm (5.91 in).

●

automatic close operation when ignition switch is in the “ON” position

●

close and automatic close operation during power window timer operation

POWER WINDOW CONTROL BY THE KEY CYLINDER SWITCH

When ignition key switch is OFF, front power window can be opened or closed by turning the front door key
cylinder driver side UNLOCK / LOCK position more than 1.5 seconds over condition.

●

Power window can be opened as the door key cylinder is kept fully turning to the UNLOCK position.

●

Power window can be closed as the door key cylinder is kept fully turning to the LUCK position.

The power window opening stops when the following operations are carried out.

●

While performing open / close the window, power window is stopped at the position as the door key cylin-
der is placed on NEUTRAL.

●

When the ignition switch is turned ON while the power window opening is operated.

KEYLESS POWER WINDOW DOWN (OPEN) OPERATION

When electronic key unlock switch is turned ON with ignition switch OFF, and electronic key unlock switch is
detected to be on continuously for 3 seconds, the front door LH, RH power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the electronic key unlock switch is
pressed.

Infiniti Q45. Manual - part 606