Allison Transmission Series

1000/2000 Light/Medium-duty service

Course Title: 1000/2000 Product Families Service Training Course
Course Code: Autot 080.1

This course provides new OEM recruits and senior level technicians with a fundamental knowledge of the Allison world Transmission WTEC II electronic controls. After a short but thorough introduction of the transmission models:

·        MD 3060/3066/3560(P) (R)

·        HD 4060/4560(P) (R)

·        B 300/400/500 (P) (R)

 Basic diagnostic techniques and repair procedures will be demonstrated. Live engine diagnosis codes that are associated with trouble shooting the Allison power drive train with current shop manuals and schematics will be demonstrated.

 Course Time line: Wednesday 6:00 to 10:20 pm Fall 2006

Course Topics:

 By attending this course, attendees will:

• Gain heightened appreciation for the technological advances in the Allison Product line
• CAN communications
• Learn sources of common fault codes
• No code diagnosis
• Common driver and service errors
• Influence of computer controlled engine sensors
• Pressure system diagnosis using a logical step for repair
• The ability to use shop manuals
• The ability to use scanners for diagnosis

 Course Content: 

• Warnings and Cautions as outlined by Allison
  • Shift selectors
  • 5 major components connected by the harness

   

• World Transmission (WT) Electronic Control system
  • Electronic Control Unit (ECU)
  • Engine throttle position sensor
  • Speed sensors
  • Remote shift selector

• The Torque Converter (review)
  • Pump
  • Turbine
  • Stator

• Basic Planetary gears and clutches (review)
  • Helical cut gears
  • Clutch applications

• Cooling circuits

o       Importance of proper fluid levels

o       Peak pressure and temperature

• The Do Not Shift (DNS) condition
  • Check trans light
  • Functions of the computer system
  • OBD II standards
  • High pressure to low pressure
  • Motivation for using computer control
  • Line dynamics and delivery valves
  • Operation of closed loop system
  • Lap top diagnosis using Detroit software
  • Pro-link scanner diagnosis
  • Electronic terminal skills
  • Electronic repair procedures

·        Diagnostic Codes

o       Active codes

o       Non-active codes

o       No codes faults

o       Controller Area Networks (CAN)

o       J1780 SAE communication

o       J1939 SAE communication

o       J9141 SAE communication 

·        Current and future technologies

o       Hybrid Technologies