toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Ambient Light Sensor|Service and Repair > < Symptom Related Diagnostic Procedures|Page 998
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(e) Connect an oscilloscope to the automatic light control sensor connector.

Text in Illustration

(f) Check the waveform.

OK:

HINT
If the ambient light becomes brighter, width A becomes narrower.

(g) If the result is not as specified, replace the automatic light control sensor.

Ambient Light Sensor|Service and Repair > < Symptom Related Diagnostic Procedures|Page 998