Windows: Description and Operation

The power window system consists of a Body Control Module (BCM), four Local Control Unit's LCUs (LCUO1-B, LCUO2-B, LCUO3, LCUO4), a power window main switch, four power window sub switches and four power window regulators.
The BCM and four LCUs are connected as two DATA LINES (DATA LINE A and B).
Power is supplied at all times
^ from 10 A fuse [No.(20) located in the fuse block]
^ to power window main switch terminal (3) (M203) and (5) (M201),
^ to front power window sub-switch LH terminal (1) (D5),
^ to front power window sub-switch RH terminal (1) (D55),
^ to rear power window sub-switch LH terminal (1) (D103) and
^ to rear power window sub-switch RH terminal (1) (D153).
With the ignition switch in the ON or START position, power is supplied
^ from 10 A fuse (No.(25) located in the fuse block]
^ to BCM terminals (39) and (40).
Power is supplied to BCM through the power window main switch depending on the switch operation. BCM sends a signal to the each LCUs through power window sub-switch depending on the switch operation. The LCU supply power and ground to each power window regulators.

OPERATIVE CONDITION
Power windows can be raised or lowered with each sub-switch or the power window main switch located on the center console when ignition key is in the "ON" position and power window lock switch on the center console is unlocked.
When power window lock switch is locked, all except front LH window cannot be raised or lowered.
To fully open the side window, make sure that ignition key is in the "ON" position, then operate the automatic switch (Front LH sub-switch) as follows. Press down completely on the automatic switch and release it; it need not be held. The window will automatically open all the way. To stop the window, press then release the "UP" side of the switch.