Electronic Controlled Transmission (ECT)

1984 Toyota Celica Supra LSECTION Electronic Controlled Transmission (ECT)

Automatic transmission models are equipped with an electronic control unit to control transmission operation. The ECU of the TCCS provides signals on engine operation to the ECU of the ECT system. This information is used by the ECT computer to prevent shift up to 3rd gear or overdrive during cold engine operation.

NOTE: The ECU of the TCCS is not interchangeable with the ECU of the ECT system.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.