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 > Hybrid Control System: Hybrid/EV Battery Cell Low Voltage (P1AC000)
DESCRIPTION The hybrid vehicle control ECU controls the SOC (state of charge) of the HV battery at a constant level during driving. The HV battery is composed of 34 modules, and each module consists of six 1.2 V cells in series. The battery voltage sensor monitors battery block voltage at 11 locatio ...