RX 450h AWD V6-3.5L (2GR-FXE) Hybrid (2011)
Ambient Light Sensor: Component Tests and General Diagnostics
LIGHTING (EXT): AUTOMATIC LIGHT CONTROL SENSOR: INSPECTION
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(a) Disconnect the H3 automatic light control sensor connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
Standard Resistance:
Text in Illustration
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the H3 automatic light control sensor connector.
(d) Connect an oscilloscope to the automatic light control sensor connector.
Text in Illustration
(e) Check the waveform.