Lexus GS300/400 (2000 year). Manual - part 38
The window moves down during the up operation.
2
With ignition switch ON, when performing the auto–up or manual –up
operation, if the factor which increases the sliding resistance of window
glass near the inverse position is recognized.
Disassemble the door and replace or repair the
component.
Reset the limit switch.
If power window regulator and motor operate smoothly.
Yes
No
Check or repair door glass run and window guide
frame.
Replace the driver door control ECU with the normal one
removed from another seat.
Sliding resistance check:
Power window motor reset:
Check operation power window control is normal.
Remove power window regulator assembly.
When raising the assembled window glass by hand if the glass slides
smoothly without being caught.
Yes
Sliding resistance check:
Unit check:
Install power window regulator and reset the limit switch.
Power window motor reset:
Check operation power window control is normal.
Power window motor faulty.
Yes
No
Normal.
(After checking the operation repeatedly, perform the
function check.)
No
Driver door control ECU faulty.
Yes
No
HINT: When difference of descending time comparing
to the opposite window is recognized, there seems to
be an error on sliding components (door glass run
and window regulator.)
–
BODY ELECTRICAL
POWER WINDOW CONTROL SYSTEM
BE–115
2416
FLOW CHART <B>