What does ECT power mean on Toyota Sienna?
ECT is an acronym for Electronically Controlled Transmission and the ECT PWR button is a function of the redesigned transmission. 2019 Toyota Sienna Performance Features This transmission is a Direct Shift Eight-Speed transmission, which is an Electronically Controlled automatic Transmission with Intelligence (ECT-I).
What does ECT PWR mean on a Toyota Avalon?
The ECT button in the Toyota Avalon represents the electronically controlled transmission and pressing this button will activate and then deactivate it.
How does the electronic control transmission ( ECT ) work?
The engine ECU monitors coolant temperature and sends a signal to terminal OD1 of the ECT ECU. The ECU prevents the transmission from upshifting into overdrive and lock-up until the coolant has reached a predetermined temperature. This temperature will vary from 122’F to 162’F depending on the transmission and vehicle model.
Where is the electric coupling on a Toyota RAV4?
In a 2006 Matrix, a viscous coupling was a part of the trans axle (not available for 2007). In the RAV4, the electric coupling is a part of the rear differential housing and gear set. What input does a driver have? The driver can engage the system by pressing the 4X4 button on the dash.
How does the throttle position sensor work in an ECT?
The throttle position sensor takes the place of throttle pressure in a fully hydraulic control transmission. By relaying the throttle position, it gives the ECU an indication of engine load to control the shifting and lock-up timing of the transmission. There are two types of throttle sensors associated with ECT transmissions.
How does the 4 wheel drive system work in a RAV4?
In the RAV4, the electric coupling is a part of the rear differential housing and gear set. What input does a driver have? The driver can engage the system by pressing the 4X4 button on the dash. When engaged, a light in the combination meter lights up, indicating the system is in maximum 4WD. This is a split of 55% front drive and 45% rear drive.