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System Description

  1. SYSTEM DESCRIPTION 
    1. The ECT (Electronic controlled automatic transmission) is an automatic transmission that electronically controls shift timing using the ECM. The ECM detects electrical signals that indicate engine and driving conditions, and controls the shift point, based on driver habits and road conditions. 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.
  2. OPERATION 
    Fig 1: Automatic Transmission System Operation Diagram
    G05844308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Automatic Transmission System Operation Chart
G05844309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002