ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(b) Measure the voltage and resistance according to the value(s) in the table below. Standard Voltage:
Standard Resistance:
If the result is not as specified, there may be a malfunction on the wire harness side. (c) Connect the G23 automatic light control sensor connector. (d) Connect an oscilloscope to terminals G23-2 (CLTE) and G23-4 (CLTS) of the automatic light control sensor connector and check the waveform.
OK:
HINT: The communication waveform changes according to the surrounding brightness. If the result is not as specified, the automatic light control sensor may be malfunctioning. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model With Cornering Light): Automatic High Beam System (B124B)
DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B124B Automatic High Beam ...