LS 460 V8-4.6L (1UR-FSE) (2007)
Ambient Light Sensor: Testing and Inspection
ON-VEHICLE INSPECTION
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
a. Disconnect the M2 sensor connector.
b. Connect the voltmeter's positive (+) lead to terminal M2-6 and the negative (-) lead to terminal M2-3.
c. Measure the voltage of the connector.
d. Measure the resistance of the connector.
e. Reconnect the M2 sensor connector.
f.
Check the waveform of the M2 sensor connector.
HINT: If the ambient light becomes brighter, width A becomes narrower.
If the result is not as specified, replace the automatic light control sensor.