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:
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Toyota Tundra Service Manual > Automatic Transmission System: Fail-safe Chart
FAIL-SAFE CHART 1. Fail-safe This function minimizes the loss of ECT functions when a malfunction occurs in a sensor or solenoid. 2. Fail-safe control list Malfunctioning Part Function DTC P0717: Input Speed Sensor NT During an input speed sensor malfunction, shift control is performed using the out ...
