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 > Throttle Body: Inspection
INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY ASSEMBLY (a) Check the throttle valve. (1) Check that the throttle valve opens and closes smoothly. (2) Check that there is no sludge accumulating around the throttle body. (b) Check the throttle control motor. (1) Measure the resistance according to the ...
