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Home >> Lexus >> 2010 >> IS 350 V6-3.5L (2GR-FSE) >> Repair and Diagnosis >> Lighting and Horns >> Ambient Light Sensor >> Testing and Inspection
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Ambient Light Sensor: Testing and Inspection





LIGHTING: AUTOMATIC LIGHT CONTROL SENSOR: ON-VEHICLE INSPECTION

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Disconnect the K1 sensor connector.





(b) Connect the voltmeter's positive (+) lead to terminal 6 and the negative (-) lead to terminal 3.

(c) Measure the voltage according to the value(s) in the table below.

Standard voltage:





(d) Measure the resistance according to the value(s) in the table below.

Standard resistance:





(e) Reconnect the K1 sensor connector.

(f) Check the waveform of the K1 sensor connector.





:





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.
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