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 > Dynamic Radar Cruise Control System(for Gasoline Model): Lost Communication with Cruise Control Front Distance Range Sensor (U0235)
DESCRIPTION The driving support ECU assembly sends vehicle speed and vehicle condition information to the millimeter wave radar sensor assembly. The millimeter wave radar sensor assembly then sends information on the presence, distance, and relative speed of objects in front of the vehicle to the dr ...