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

AUDI SSP

VAG SSP 367. 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

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”.

.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