Toyota Tundra Service Manual: System Description



(a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission that electronically controls shift timing using the Engine Control Module (ECM). The ECM detects electrical signals that indicate engine and driving conditions, and controls the shift point based on driver habits and road conditions. As a result, fuel efficiency and power transmission performance are improved.

Shift shock is reduced by controlling the engine and transmission simultaneously.

In addition, the ECT has the following features:

  • Diagnostic function.
  • Fail-safe function when a malfunction occurs.
    Road Test

    System Diagram

    See More:

    Toyota Tundra Service Manual > Tire Pressure Warning System: Transmitter ID not Received in Main Mode (C2126/26)
    DESCRIPTION After the tire pressure warning valve and transmitter ID registration is completed using the Techstream or ID registration was canceled via the automatic ID registration function, DTC C2126/26 is output from the tire pressure warning ECU and receiver. After ID registration is complete us ...

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    Toyota Tundra Service Manual

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