Self-Study Programme 284 6 speed automatic gearbox 09E in the Audi A8 '03 2.pdf

(2218 KB) Pobierz
Service.
6-speed automatic gearbox 09E
in the Audi A8 '03 - Part 2
Self Study Programme 284
For internal use only
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Contents
Part 1 SSP 283
Page
General
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Brief description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Sectional view of gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Gearbox Periphery
Selector mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Selector lever gate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Selector mechanism kinematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Selector lever/button kinematics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Selector lever locks/emergency release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
tiptronic steering wheel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
tiptronic/selection strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Selector lever position and gear indicator in dash panel insert . . . . . . . . . . . . . .25
Ignition key removal lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Starting lock/starter control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Gearbox Assemblies
Torque converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Torque converter clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Torque converter shift operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Torque converter oil supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Torque converter clutch operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
ATF pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
ATF cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
ATF cooling with shutoff valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Oil and lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Selector elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Dynamic pressure equalisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Overlapping gearshift operations/control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Planetary gearbox. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Gear description/torque profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Gearshift matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Hydraulic system diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Parking lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Torque profile/four-wheel drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Transfer case cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Transfer case oil pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
The Self Study Programme contains information on design
features and functions.
New
Note
Attention
Note
The Self Study Programme is not intended as a Workshop
Manual.
Values given are only intended to help explain the subject
matter and relate to the software version applicable when the
SSP was compiled.
Use should always be made of the latest technical publications
when performing maintenance and repair work.
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Part 2 SSP 284
Page
Gearbox Control
Mechatronik . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrostatic discharge ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Hydraulics module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Description of valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electronics module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Automatic gearbox control unit J217 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Temperature monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Monitoring of oil temperature population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
New control unit generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Description of sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Gearbox input speed sender G182 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Gearbox output speed sender G195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
tiptronic switch F189 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Gear sensor F125. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Gearbox oil temperature sender G93 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Explanation of important information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
"Brake pressed" information ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
"Kick-down" information ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
"Accelerator pedal position" information... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
"Engine torque" information ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
"Engine speed" information ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Interfaces/additional signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Block diagram/system layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CAN data exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Stationary vehicle decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Engine torque intervention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Reversing light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Emergency programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Substitute programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Mechanical emergency running . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Gear monitoring with symptom recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Dynamic Shift Program DSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Operational structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Driving style factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Situation-based drive program selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Gear selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Service
Self-diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Snapshot memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Update programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Special tools/workshop equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Note on repair work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Cutaway model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
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Gearbox Control
Mechatronik
A particularly noteworthy new feature of the
09E is the so-called "Mechatronik". This
combines the hydraulic control system
(hydraulics module), the electronic control
unit and the sensors (electronics module) in
one coordinated assembly. The Mechatronik
is located in the gearbox in the vicinity of the
sump.
Manufacturing tolerances of the hydraulics
module (valves and pressure regulator) as
well as of the output stages of the electronic
control unit are established on a test bench
and compensation is provided by way of the
electronic control unit basic programming.
There is no provision for basic programming
as part of service work and the Mechatronik
can therefore only be replaced as a complete
unit.
View from below
Electronics module
Hydraulics module
284_007
View from above
Mechatronik
Electronics module
The term "Mechatronik" covers all
components responsible for
Detection of input signals required for
gearbox control
Evaluation of input signals
Implementation of control and regulation
algorithms
Actuation of control elements
Communication with periphery and
establishment of electrical and mechanical
link with signal generators and control
elements
Hydraulics module
284_112
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Advantages of Mechatronik:
Less space required thanks to compact
design.
Increased reliability thanks to great reduction
in number of interfaces (contacts).
Low-cost manufacture due to integration of
components and compensation for the
manufacturing tolerances of hydraulic
components by appropriate programming of
electronic control unit following assembly.
Mechatronik can be calibrated and checked
as one unit, thus ensuring a constant,
previously unsurpassed gearshift quality.
Lower weight due to reduction in number of
pipes and housing components.
Sealing element/adapter
(connection to oil pump)
Electronics module
*Valve plate
*Check valve for
clutches
*Dampers for EDS valves
*Holding valve for torque
converter pressure
*Valve housing
Intermediate plate
Connector to vehicle
wiring harness
Connector to
electronics
module
Wiring harness
*Hydraulics module
284_132
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