Self Study Program 367 – The six-speed automatic gearbox 09D in the Audi Q7

For information about the basics of power transmission and the basic functions of automatic gearboxes, refer to the multimedia training CDs:

  • “Power Transmission 1 – Basic Principles”,
  • “Power Transmission 2 – Automatic Step Gearbox Mechanism” and
  • “Power Transmission 3 – Hydraulics Principles”.

Use the training courses available under the “Power Transmission” Qualification Roadmap for your advanced training. For information on the “Power Transmission” qualification roadmap, refer to Audi ServiceNet.

CONTENTS

  • General
    • Six-speed automatic gearbox 09D
    • Specifications
    • Sectional view of gearbox 09D
    • Components diagram
  • Gearbox subassemblies
    • Torque converter
    • Converter lockup clutch
    • Oil supply/lubrication
    • ATF/ATF pump
    • ATF cooling
    • Planetary gear
    • Shift elements
    • Overview of planetary gearbox/shift elements
    • Function of the shift elements
    • Dynamic pressure compensation in clutches
    • Freewheel
    • Hydraulic control
    • Valve assembly
    • Electromagnetic valves
    • Shift logic
    • Description of the gears/torque characteristic
    • Parking lock
  • Gearbox control unit
    • Functional diagram of the 09D gearbox
    • Automatic gearbox control unit J217
    • Multi-function switch F125
    • Gearbox input speed sender G182
    • Gearbox output speed sender G195
    • Gearbox oil temperature sensor G93
    • CAN information exchange with the 09D gearbox
    • Interfaces/auxiliary signals
    • Distributed functions in the Audi Q7
    • Starter control/starter lock
    • Reversing switch F41
    • Dynamic Shift Program DSP
    • tiptronic shift strategy
    • Sport program “S”
    • Limp-home mode
    • Towing
    • Gearbox adaption
    • Clearing adaptation values
    • Adaption drive
  • Gearbox periphery
    • Gearshift mechanism
    • Shift lock
    • Emergency release of the P lock
    • Ignition key withdrawal lock
    • Selector lever sensor system
    • P/R/N/D/S signal
    • tiptronic signal
  • Glossary
  • Index

The Self-Study Programme teaches the design and function of new vehicle models, automotive components or technologies.
The Self-Study Programme is not a Repair Manual!
The values given are intended as a guideline only and refer to the software version valid at the time of publication of the SSP.
For maintenance and repair work, always refer to the current technical literature.

Language: English
Format: PDF
Pages: 72

Self Study Program 367 – The six-speed automatic gearbox 09D in the Audi Q7 PDF free online

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