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- another ECU’s information. ECU Electronic Control Unit (ECU) is a Toyota term used to describe integrated computerized devices responsible for managing the operation of a system or subsystem. For the purposes of this bulletin, the term “ECU” is used as a generic label for the following SAE J1930 standard references:
- The engine ECU converts the VTA voltage into one of eight different throttle opening angle signals to inform the ECT ECU of the throttle opening. These signals consist of various combinations of high and low voltages at ECT ECU terminals as shown in the chart below. The shaded areas of the chart represent low voltage (about 0 volts).
- Tech Talk/Installation Replacement OEM Engine Computer (ECM,ECU,PCM) for a 2008 Toyota Avalon 3.5L ACR remanufactured units come with a Limited Lifetime Warranty (Made in the USA) All modules are flashed and updated with the latest dealer software to improve drivability and fuel mileage