TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY  (a) Disconnect the G35 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected.
(c) Reconnect the G35 air conditioning amplifier assembly connector. (d) Check for pulses according to the value(s) in the table below.
(1) Waveform (Reference):  Measurement Condition
CLIMATE CONTROL SWITCH (RADIO AND DISPLAY RECEIVER ASSEMBLY)  (a) Disconnect the G20 climate control switch (radio and display receiver assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected.
(c) Reconnect the G20 climate control switch (radio and display receiver assembly) connector. (d) Check for pulses according to the value(s) in the table below.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Hv Model Without Cornering Light): Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Cli ...
