Exam 11: Electronically Controlled and Automated Transmissions Diagnosing Advanced Electronic Systems

What does the acronym CAN stand for?

In Toyota and Lexus hybrids, MG1 is used as a starter activator and a generator.

The start clutch in a CVT replaces what component?

What do the terms "stepless" or "nonstepped" mean when referring to transmission?

A CVT transmission is an automatic transmission which functions like a manual transmission.

All dual-clutch transmissions use wet clutches to prevent overheating and damage.

Controller area network (CAN) components are used in _____ to interconnect the network of electronic control modules.

What does the acronym IMA stands for?

The normal, sport, and super sport shifting modes are found in the _____.

Dual-clutch transmissions use what types of clutch assemblies?

What are the benefits of continuously variable transmissions (CVTs)?

Describe the different CVT designs that have been used over the years. Give examples of each.

A DCT transmission is really two separate transmissions, one for the even-numbered gears and one for the odd-numbered gears.

What are the components of the electronic control system for a typical CVT?

The control unit of a(n) _____ relies on inputs available on the CAN bus, plus four distance sensors, two pressure sensors, and two engine-speed sensors to choose the correct gear and shift timing.

What is the controlling unit in the power-split device?

In a typical CVT, one pulley is the drive member and the other is the driven member.

The most complex transmissions are those used in most high-performance vehicles.

The size of the pulleys in a CVT is _____ controlled to select the best overall drive ratio based on throttle position, vehicle speed, and engine speed

A CVT without a torque converter may use a(n) _____.