Title: Inspect the operation of the automated mechanical transmission and manual electronic shift controls, and others related to the transmission.
Course: Diesel Equipment Technology III (20107-III) > Section: Drive Train: Servicing the Transmission

Inspection should include

- checking the shift, range and splitter solenoids, shift motors, indicators, speed and range sensors, electronic/transmission control units (ECU/TCU), neutral/in gear and reverse switches, and wiring harness
- following original equipment manufacturer (OEM) guidelines for proper troubleshooting steps
- test driving the unit to verify proper operation.

Process/Skill Questions:

- How are faults verified in an automated transmission?
- Would low voltage cause shifting/performance issues?
- How would a short to the ground affect voltage?