Venza FWD L4-2.7L (1AR-FE) (2009)
(c) Reconnect the F4 automatic light control sensor connector.
(d) Connect an oscilloscope to the automatic light control sensor connector.
Text in Illustration
(e) Check the waveform.
OK:
HINT: If the ambient light becomes brighter, width A becomes narrower.
If the result is not as specified, replace the automatic light control sensor.