Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

1. 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 > Navigation System: Illumination for Panel Switch does not Come on with Tail Switch ON
    PROCEDURE 1. CHECK VEHICLE SIGNAL (OPERATION CHECK) (a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (See page )] (b) Check that the display for "TAIL" changes between ON and OFF according to the light control switch operation. OK: Light Control Swi ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

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