Ford Escape: Automatic Transmission - Automatic Transmission – HF45 / Description and Operation - Transmission Description - Overview

Transmission Overview

The Electronically Controlled Continuously Variable Transmission (eCVT) has the following internal components:

• Traction Motor
• Generator/Starter
• High voltage terminals
• Pump and filter assembly
• Park lock actuator
• TFT sensor
• Planetary carrier
• Differential carrier
• High voltage inductor

When the transmission range is in the park position the park pawl locks the final drive to the transmission case and the vehicle cannot be moved. The vehicle can be turned on and the ready indicator light illuminates to indicate the selector lever can be moved out of park and the vehicle can be driven.

When the transmission range is in the reverse position, the ISC (inverter system controller) changes the polarity of the field coil which reverses the electric motor to move the vehicle in reverse.

When the transmission range is in the neutral position, the electric motor does not provide power to or hold the final drive and the final drive can spin freely.

When the transmission range is in the drive position, the ISC provides high voltage current to the electric motor to transfer torque to the final drive.

When the transmission range is in the low position, the transmission increases regenerative braking when the accelerator pedal is released to provide an engine braking feeling and increased battery charging.

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