Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
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Ambient Light Sensor: Testing and Inspection
LIGHTING (EXT): AUTOMATIC LIGHT CONTROL SENSOR: INSPECTION
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(a) Disconnect the I1 automatic light control sensor connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
Standard Resistance:
(c) If the result is not as specified, there may be a malfunction on the wire harness side.
(d) Reconnect the I1 automatic light control sensor connector.
(e) Connect an oscilloscope to the automatic light control sensor connector.
(f) Check the waveform.
