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 > Meter / Gauge System: Tachometer Malfunction
DESCRIPTION The combination meter assembly receives engine speed signals from the ECM via the CAN line. The combination meter assembly displays engine speed data that is calculated based on the data received from the ECM. WIRING DIAGRAM PROCEDURE 1. CHECK CAN COMMUNICATION SYSTEM (a) Check if a CAN ...