Trucks • Transmission
Telligent automatic transmission in ACTROS and ATEGO
Specialist training
As at 10/03
This document is intended solely for use in training and is not subject to regular updating.
Printed in Germany
2003 Copyright DaimlerChrysler AG Publisher: Global Training
This document with all its sections is protected under the laws of copyright. Its use for any purpose whatsoever requires the prior written consent of DaimlerChrysler AG. This applies in particular to its reproduction, distribution, modification, translation, recording on microfilm or storage and/or processing in electronic systems, including databases and on-line services.
Note:
The term »employees« does not imply any preference of gender and incorporated male and refers to maler and female employees alike.
1511 5555 02 |
- 1st edition |
10.03 |
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Content |
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29.10.2003 |
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Title |
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Welcome .................................................................................................................................................................................................................................................. |
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Training Course Description Code NGAS - MA253.................................................................................................................................................................................. |
3 |
Overview of shifting systems for ACTROS, AXOR and ATEGO................................................................................................................................................................. |
4 |
KontAct network diagram ACTROS models 930 - 934 ............................................................................................................................................................................ |
6 |
KontAct network diagram for ACTROS models 930-934; exercise ......................................................................................................................................................... |
8 |
EAS II (Code GE 2) - evolution of control units ........................................................................................................................................................................................ |
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EAS II - (Code GE2), function diagram ................................................................................................................................................................................................... |
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EAS II (Code GE 2), function .................................................................................................................................................................................................................. |
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EAS II - (Code GE2), function diagram; exercise.................................................................................................................................................................................... |
13 |
Power train networking with EAS II, ACTROS models 930-934; exercise ............................................................................................................................................. |
15 |
Information exchange on gear shifting EAS ACTROS, models 930-934; exercise ................................................................................................................................ |
17 |
EAS II - (Code GE2), information exchange and actual values, exercise ............................................................................................................................................... |
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EAS II - (Code GE2), components .......................................................................................................................................................................................................... |
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EAS II - (Code GE2), control circuit ........................................................................................................................................................................................................ |
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EAS II - (Code GE2), clutch actuator adjustment, exercise ................................................................................................................................................................... |
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EAS II - (Code GE2), clutch actuator - clutch control; exercise ............................................................................................................................................................. |
28 |
EAS II - (Code GE2), versions, exercise.................................................................................................................................................................................................. |
30 |
EAS II - (Code GE2), teach-in process; exercise .................................................................................................................................................................................... |
31 |
10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training
TR Content
I 1
EAS II - (Code GE2), teach-in process and teach-in faults; exercise...................................................................................................................................................... |
32 |
EAS II - (Code GE2), clutch characteristics............................................................................................................................................................................................ |
34 |
EAS II - (Code GE2), backup mode special features .............................................................................................................................................................................. |
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EAS II - (Code GE2), drive control actual values and GS II, exercise ..................................................................................................................................................... |
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Foot throttle actuator, standard quantity; exercise............................................................................................................................................................................... |
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Foot throttle actuator, onboard teach-in, ACTROS models 930 - 934 .................................................................................................................................................. |
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Troubleshooting chart for GS II and EAS II, TIPS procedure and application ........................................................................................................................................ |
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Carrying out diagnosis with the layer model ......................................................................................................................................................................................... |
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EAS II - (Code GE2), practical 1; exercise .............................................................................................................................................................................................. |
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EAS II - (Code GE2), practical 2; exercise .............................................................................................................................................................................................. |
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EAS II - (Code GE2), practical 3; exercise .............................................................................................................................................................................................. |
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AGS (Code GE1), functional description ................................................................................................................................................................................................ |
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AGS (Code GE1), installation survey...................................................................................................................................................................................................... |
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Design and features of the G60/85 transmission; exercise ................................................................................................................................................................. |
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G60/85 transmission transverse shift gate; exercise........................................................................................................................................................................... |
63 |
ATEGO power train networking control units - AGS (Code GE1), exercise............................................................................................................................................ |
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ATEGO power train networking engine management - AGS (Code GE1); exercise ............................................................................................................................... |
65 |
Power train networking - AGS (Code GE1), ATEGO ............................................................................................................................................................................... |
67 |
Power train networking - AGS (Code GE1), ATEGO, exercise ................................................................................................................................................................ |
69 |
AGS (Code GE1), sensor unit operation................................................................................................................................................................................................. |
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AGS (Code GE1), sensor unit operation; exercise ................................................................................................................................................................................. |
72 |
AGS (Code GE1), location of the AGS components on the transmission and their task....................................................................................................................... |
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10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training
TR Content
I 2
AGS (Code GE1), location of the AGS components on the transmission and their task; exercise |
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AGS (Code GE1), assignment and actuation of the solenoid valves; exercise ...................................................................................................................................... |
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AGS (Code GE1), transmission shift states, exercise ............................................................................................................................................................................ |
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AGS (Code GE1), sensor analysis, teach-in process and shifting procedure......................................................................................................................................... |
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AGS (Code GE1), teach-in process and teach-in faults; exercise .......................................................................................................................................................... |
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AGS (Code GE1), clutch sensing............................................................................................................................................................................................................ |
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AGS (Code GE1), FR and AGS actual values; exercise........................................................................................................................................................................... |
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AGS (Code GE1), AGS clutch balancing.............................................................................................................................................................................................. |
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AGS (Code GE1), instructions for testing and repair work ................................................................................................................................................................. |
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AGS (Code GE1), emergency operation characteristics ..................................................................................................................................................................... |
103 |
Transmission diagnosis, practical example template ......................................................................................................................................................................... |
104 |
AGS (Code GE1), practical 1; exercise................................................................................................................................................................................................ |
108 |
AGS (Code GE1), practical 2; exercise................................................................................................................................................................................................ |
110 |
AGS (Code GE1), practical 3; exercise................................................................................................................................................................................................ |
112 |
10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training
TR Content
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10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training
TR Content
I 4
Welcome
Welcome to the NGAS training course. As the training course progresses, it will become evident how this subject is presented. While it was relatively easy to have an overview of the shift devices used with the LK and SK, one or two things have changed since the launch of the ACTROS, ATEGO and AXOR. The first challenge has no doubt been dealing with the "networking" of the systems.
This will be just one of the hurdles you will have to overcome in the course of the NGAS training. It will soon become evident that, even with a good foundational training in electrics, you will only be able to do a proportion of the tasks set. The other tasks require a good understanding of transmission mechanics, wiring and different hydraulic systems.
If you have some experience and understanding in the areas of mechanics, hydraulics and electrics, this will be of great benefit and you will be able to follow the training course easily. If not, then you have quite some ground to cover, but we will be happy to help and support you in your efforts.
This is because those who understand the systems are also quick to make a confident diagnosis. While diagnostic aids, such as DAS and WIS, can certainly help you in your work, they will rarely actually make the decision for you as to what ultimately needs repairing.
During the training course you will work with all the named diagnostic aids so that you will be in a better position afterwards to make a diagnosis on the shift devices "at home", in your workshop.
10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training Welcome
29.10.2003
N26.10-2067-00
1
Training sequence
Day 1 Welcome
Overview of gearshift systems and types of gearshift system
Design and function of the Telligent automatic transmission II – EAS II gearshift system in the ACTROS
Networking of the Telligent automatic transmission II
– EAS II gearshift system in the ACTROS
Teach-in processes of the Telligent automatic transmission II – EAS II gearshift system in the ACTROS
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Day 2 |
Design and function of the Telligent automatic |
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transmission – AGS gearshift system in the ATEGO |
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Networking of the Telligent automatic transmission – |
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AGS gearshift system in the ATEGO |
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Teach-in processes of the Telligent automatic |
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transmission – AGS gearshift system in the ATEGO |
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DAS actual values of the AGS system and drive |
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control |
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Practical work on the ATEGO |
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DAS actual values of the GS II system and drive control
Practical work on the ACTROS
Troubleshooting aids based on customer complaints
Presentation and feedback in plenary session
Feedback from day 1
Troubleshooting aids based on customer complaints
Presentation and feedback in plenary session
Final test
Feedback and close of training session
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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Welcome |
2 |
Training Course Description Code NGAS - MA253 |
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29.10.2003 |
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Training course description |
ACTROS, ATEGO — Telligent® automatic transmission (EAS, AGS) • Specialist training |
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Target group |
Mechanics, electricians |
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Requirements |
The course participants are required to have passed the final test of the NGGG training or have worked through |
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the preliminary training and passed the initial test. (The knowledge required for this can be acquired from the |
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CBTs "Telligent gearshift system Parts 1 – 4", "Telligent automatic transmission Parts 1 – 2" and "Wiring |
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diagrams Parts 1 + 3"). |
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Performance level |
3 |
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Methodology |
50% theory, 50% practical |
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Duration |
2 days DCVD, 2-3 days Export |
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Objectives |
The participant can: |
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independently prepare a diagnosis on the Telligent® automatic transmission (ACTROS - EAS; ATEGO - AGS) |
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perform testing, adjusting and repair work |
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Contents |
Design and function of the Telligent® automatic transmission vehicle networking |
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Drive control on pneumatic (EAS) and hydraulic (AGS) shifting systems |
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Diagnosis using current diagnosis systems and fault diagnosis based on case examples |
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Carrying out the necessary teach-in processes |
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Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
Training Course Description Code NGAS - MA253 |
3 |
Overview of shifting systems for ACTROS, AXOR and ATEGO |
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11.02.03 |
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Since the launch of the ATEGO, AXOR and ACTROS, various other shifting systems have been introduced in addition to the mechanical gearshift system, the MPS and the EPS, already familiar to us from the SK.
{0>Die verschiedenen Schaltungsarten werden über Verkaufscode dem jeweiligen Getriebetyp und Fahrzeug zugesteuert.<}100{>The various shifting types are assigned to the respective transmission type and vehicle by way of the sales code.
The respective sales code can be found on the data card.
While no completely new types of gearshift system were introduced with the refinement of the ACTROS model (MPII) in the spring of 2003, existing systems were nevertheless revised. As a result new sales codes have been issued for better differentiation.
The ATEGO model series is also earmarked for various innovations in 2003. These are also listed below. The list differentiates between the following shifting systems in the current generation of vehicles:
ACTROS, AXOR, ATEGO |
Changes to ACTROS models 930 - 934 |
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Sales code GS 1:
Mechanical shift - MS
Mechanical-pneumatic shift – MPS
Mechanical-pneumatic shift with pneumatic shifting aid - MPS with PSH
Sales code GS 3:
Hydraulic shift - HS
Hydraulic-pneumatic shift - HPS
Hydraulic-pneumatic shift with shift force assist – HPS with SKU
Sales code GS 2: |
Sales code GS 7: |
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Telligent gearshift system – EPS II |
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Telligent gearshift system II (GSII) |
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Sales code GE 1: |
Sales code GE 2: |
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Telligent automatic transmission – EAS |
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Telligent automatic transmission II – EAS II |
Telligent automatic transmission -- AGS
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TR |
Overview of shifting systems for ACTROS, AXOR and ATEGO |
4 |
Gearshift system types arranged according to vehicles and transmissions
Mechanical shift |
Hydraulic shift |
Telligent |
Telligent |
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gearshift syst. |
aut. transmission |
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GS 1 |
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GS 3 |
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GS 2 |
GS 7 |
GE 1 |
GE 2 |
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MS |
MPS |
MPS with |
HS |
HPS |
HPS with |
GS |
GS II |
EAS/AGS EAS II |
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PSH |
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SKU |
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ATEGO |
ZF S 5-42 |
GF 1 |
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G 56 - 6 |
GC 4 |
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10/04 |
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(up to 15t) |
G 60 - 6 |
GC 5 |
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AGS |
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G 85 - 6 |
GC 6 |
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AGS |
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G 100 - 12 |
GC 7 |
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ATEGO |
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G 85 - 6 |
GC 6 |
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AGS |
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(as of 18t) |
G 100 - 12 |
GC 7 |
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G 131 - 9 |
GT 1 |
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10/03 |
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G 221 - 9 |
GD 5 |
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G 211 - 16 |
GD 3 |
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AXOR |
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G 211 - 16 |
GD 3 |
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G 221 - 9 |
GD 5 |
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G 240 - 16 |
GC 2 |
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ACTROS |
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G 210 - 16 |
GC 3 |
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EAS |
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G 211 - 16 |
GD 3 |
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EAS |
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G 231 - 16 |
GH 6 |
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EAS |
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G 240 - 16 |
GC 2 |
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EAS |
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G 260 - 16 |
GC 1 |
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EAS |
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10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
Overview of shifting systems for ACTROS, AXOR and ATEGO |
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5 |
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KontAct network diagram ACTROS models 930 - 934 |
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04.02.03 |
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W00.19-1011-79
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
KontAct network diagram ACTROS models 930 - 934 |
6 |
1 |
Power train components |
A22 |
Control unit, parameterizable special module (PSM) |
K2 |
Battery disconnect switch |
2 |
Brake components |
A64 |
Front module (FM) |
K |
Diag K-line diagnosis |
3 |
Trailer and body components |
A65 |
Rear module (HM) |
K |
Emergency K-line, emergency running mode |
4 |
Vehicle components |
CAN 1 |
Vehicle CAN |
P2 |
Instrument (INS) |
5 |
Cab components |
CAN 2 |
Interior CAN |
P3 |
Modular tachograph (MTCO) |
6 |
Frame components |
CAN 3 |
Frame CAN |
X11 |
15-pin trailer socket |
7 |
Telematics / diagnosis |
CAN 4 |
Engine CAN |
X12 |
7-pin ABS trailer socket |
22 |
Body electronics |
CAN 5 |
Transmission CAN |
X13 |
Diagnostic socket |
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CAN 6 |
Brake CAN |
X126 |
Telematics platform (FleetBoard) |
A3 |
Control unit, drive control (FR) |
CAN 7 |
Trailer CAN (PSM) |
Z2 |
CAN star point, cab dash support, additional |
A7 |
Base module (GM) |
CAN 8 |
Body CAN |
Z3 |
CAN star point, additional |
A11 |
Control unit, brake control (BS) |
CAN 9 |
Telematics CAN |
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A16 |
Control unit, gear control (GS) |
CAN 10 |
Speedometer CAN |
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A20 |
Control unit, retarder control (RS) |
CAN 11 |
Trailer CAN (BS) |
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Note: For further information see GF 00.19-W-0002 MP "Extended vehicle network KontAct function"
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
KontAct network diagram ACTROS models 930 - 934 |
7 |
KontAct network diagram for ACTROS models 930-934; exercise |
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12.02.03 |
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This exercise is concerned with the new network in the ACTROS. Use the new network diagram to work through the following tasks.
Task |
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Enter the CAN BUS designations. |
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CAN 3 Frame CAN BUS |
CAN 10 |
Tachograph CAN BUS |
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CAN 1 Vehicle CAN BUS |
CAN 11 |
Trailer CAN (BS) |
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CAN 5 |
Transmission CAN BUS |
CAN 7 |
Trailer CAN (PSM) |
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CAN 6 |
Brakes CAN BUS |
CAN 9 |
Telematics CAN BUS |
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CAN 4 |
Engine CAN BUS |
CAN 8 |
Body CAN |
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CAN 2 |
Interior CAN BUS |
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Which control units are part of the vehicle CAN BUS? |
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Task |
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Base module (A7), control unit for drive control (A3), control unit for brake control (A11)
Control unit for retarder control (A20), Parameterizable special module control unit (A22)
Instrument (P2), CAN star point cab dash support, additional (Z2)
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
KontAct network diagram for ACTROS models 930-934; exercise |
8 |
EAS II (Code GE 2) - evolution of control units |
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29.10.2003 |
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ACTROS, models 950 -954
Control units
ACTROS, models 930 - 934
Software modules
ACTROS, models 930 - 934
Control units
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GT26_00_0014 |
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10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
EAS II (Code GE 2) - evolution of control units |
9 |
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EAS II - (Code GE2), function diagram |
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29.10.2003 |
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GT_26_21_0002 (W26.21-1009-79)
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
EAS II - (Code GE2), function diagram |
10 |
1 |
Gate shift cylinder |
B2 |
Clutch travel sensor |
S144 |
Button group on left of multifunction steering wheel |
2 |
Range shift cylinder |
B3 |
Countershaft speed sensor |
S145 |
Button group on right of multifunction steering wheel |
3 |
Gear cylindrical actuator |
B17 |
Speed sensor |
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4 |
Splitter shift cylinder |
B57 |
Transmission output speed sensor |
Y29 |
Solenoid valve, split 1 (MS1) |
5 |
Clutch actuator |
B60 |
Gear sensor (SGG) |
Y30 |
Solenoid valve, split 2 (MS2) |
6 |
Multifunction steering wheel |
B61 |
Gate sensor (SGE) |
Y31 |
Solenoid valve, range 1 (MR1) |
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B62 |
Splitter sensor (SSP) |
Y32 |
Solenoid valve, range 2 (MR2) |
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B63 |
Range sensor (SRA) |
Y33 |
Solenoid valve, gate 1 (MG1) |
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Y34 |
Solenoid valve, gate 2 (MG2) |
A3 |
Control unit for drive control (FR) with integrated |
CAN1 |
Vehicle CAN |
Y35 |
Uneven gears air admission solenoid valve (MUB) |
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drive control (FR) software module |
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A6 |
Control unit for engine control (MR) |
CAN2 |
Interior CAN (redundant) |
Y36 |
Even gears air admission solenoid valve (MGB) |
A7 |
Base module (GM) |
CAN4 |
Engine CAN |
Y37 |
Uneven gears air release solenoid valve (MUE) |
A15 |
Sensor unit for gear control (GS) |
CAN5 |
Transmission CAN |
Y38 |
Even gears air release solenoid valve (MUE) |
A16 |
Control unit for gear control (GS) with integrated |
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gear control (GS) software module |
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A90 |
Gate module |
KNot |
K-line emergency running mode |
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A91 |
Range module |
P2 |
Instrument (INS) |
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A92 |
Gear module |
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10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
EAS II - (Code GE2), function diagram |
11 |
EAS II (Code GE 2), function |
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29.10.2003 |
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General points:
Based on the gear control II (GS II) shifting system, the Telligent automatic transmission II (EAS II) is a special design with automated clutch.
The design of the Telligent automatic transmission II (EAS II) based on the gear control II (GS II) has been substantially simplified:
The entire clutch hydraulic system used in the first-generation EAS has been replaced by an electropneumatic clutch actuator. This clutch actuator directly operates the mechanical clutch system.
The old EAS, AG and KS control units are still there but only as virtual control units. The AG is integrated as a drive control software module. The KS control unit is integrated in the GS control unit as a clutch control software module.
This dispenses with the need for hydraulic lines and maintenance work.
Only the electrical and pneumatic lines are still connected to the clutch actuator.
With the fold-out emergency clutch pedal no longer required, only the accelerator and brake pedals remain.
The option of activating manual or automatic shift mode via a selector switch on the gear control sensor unit has been retained.
Ride comfort has been improved, e.g., the system changes independently from the normal drive mode to a maneuver mode if required. This makes maneuvering considerably easier.
The Telligent automatic transmission II (EAS II) can be operated in two modes:
Automatic operation
Manual operation
The electronic systems for the transmission and the on-board related functions are entirely separate. Information is exchanged between the electronic systems in the form of CAN messages via the CAN connections
Vehicle CAN (CAN 1),
Interior CAN (CAN 2),
Engine CAN (CAN 4) Transmission CAN (CAN 5)
and via the
K line emergency running mode (KNot), in backup drive mode
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
EAS II (Code GE 2), function |
12 |
EAS II - (Code GE2), function diagram; exercise |
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29.10.2003 |
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Task
Using the drawing opposite allocate the following components to the corresponding terminals, fuses and relays!
Component |
Terminal |
Fuse |
Relay |
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P2 |
30 |
F 17 |
---- |
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15 |
F 30 |
K4 |
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A3 |
30 |
F 14 |
---- |
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15 |
F 28 |
K4 |
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A16 |
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30 |
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F 4 |
---- |
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30 |
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F 12 |
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---- |
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15 |
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F 20 |
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K3 |
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A 15 |
15 |
F 28 |
K4 |
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N26.20-2010-12
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), function diagram; exercise |
13 |
Task |
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Indicate the correct sequence of the signal path during a gear change on the Telligent automatic |
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transmission in "Manual mode". |
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Note: |
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For further information, see GF 26.20-W-0001 MP "Gear control (GS) function" and circuit diagram. |
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3 |
GS control unit |
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2 |
FR control unit |
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1 |
Sensor unit |
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6 |
GS control unit |
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5 |
Gear, gate, range and splitter sensors |
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4 |
Gear, gate, range and splitter solenoid valves |
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The Telligent automatic transmission communicates with other components and systems in different |
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Task |
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ways. Complete the table. |
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Component |
Designation |
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Communication / Connection |
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Designation |
Component |
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Sensor unit |
A15 |
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Electrical line |
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A3 |
FR control unit |
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FR control unit |
A3 |
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CAN 5 (Transmission CAN) |
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A16 |
GS control unit |
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GS control unit |
A16 |
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Electrical line |
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Connected components |
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Instrument |
P2 |
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KNot/CAN1/CAN5 |
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A16 |
GS control unit |
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Instrument |
P2 |
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CAN1 / CAN2 |
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A7 |
Base module |
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Multifunction steering |
S144/S145 |
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Electrical line |
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A7 |
Base module |
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wheel |
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Modular tachograph |
P3 |
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CAN 5 (Transmission CAN) |
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A16 |
GS control unit |
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10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
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TR |
EAS II - (Code GE2), function diagram; exercise |
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14 |
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Power train networking with EAS II, ACTROS models 930-934; exercise |
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02.06.03 |
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X13 |
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B28 |
A68 |
ASIC |
A82 |
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HM |
B5 |
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A65 |
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CAN 10 |
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CAN 2 |
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CAN 3 |
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B17 |
MTCO |
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INS |
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GM |
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S144 |
S145 |
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P3 |
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P2 |
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A7 |
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Y44 |
B65 |
B66 |
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CAN 1 |
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RS |
PSM |
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BS |
K |
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A20 |
A22 |
A11 |
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G2 |
S2 |
B1 |
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CAN 5 |
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FR |
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GS |
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A42 |
S1 |
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A15 |
A3 |
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A16 |
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CAN 4 |
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MR |
FLA |
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Y1 |
Y2 |
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A6 |
A4 |
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B10 |
B15 |
B16 |
B65 |
B111 |
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B11 |
B12 |
B14 |
S10 |
S11 |
S166 |
Y6-13 |
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M1 |
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TM Antriebsstrang 1_D.ppt
10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training
TR |
Power train networking with EAS II, ACTROS models 930-934; exercise |
15 |
Task |
The diagram shows an all-wheel drive vehicle with retarder control (RS) and EAS II. |
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Name the missing components. |
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The following questions may help you to solve the problem.
How is the clutch actuated?
Have you also considered clutch sensing?
Have you thought about all the components required for engaging a gear?
How is the corresponding gear position determined?
Have you taken the splitter gearshift system components into consideration?
How is a driver command transmitted?
Note: Further information on the Telligent automatic transmission II can be found in WIS under
GF 26.21-W-0001 MP "Electronic drive control (EAS) operation".
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
Power train networking with EAS II, ACTROS models 930-934; exercise |
16 |
Information exchange on gear shifting EAS ACTROS, models 930-934; exercise |
|
29.10.2003 |
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Operation |
Transmitter |
Receiver |
What is the reason and the purpose for the part action? |
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Evaluation of shift logic |
FR |
FR |
Evaluation of CAN messages (influencing variables) |
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Internal evaluation in the AGF software module |
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Select: open clutch |
FR |
GS |
CAN 5 (transmission CAN) |
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Reduce engine torque |
FR |
MR |
CAN 4 |
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De-energized power train |
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Open clutch |
GS |
Y39.1/39.2 |
Energizing of corresponding solenoid valves |
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Gear can only be changed when clutch open |
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Perform gear change |
GS |
Corresponding |
Energizing of corresponding solenoid valves |
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solenoid valves |
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Adjust engine speed |
FR |
MR |
Change in unit pump actuation time and permanent brake actuation, levels 1+2 |
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Reduction of clutch wear |
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Current gear position feedback |
B60, B61, B62, |
GS |
Evaluation of displacement value sensor, energizing of corresponding solenoid valves, |
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B63 |
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determination of current gear |
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Display shifted gear |
GS |
INS |
CAN 5, CAN 1 |
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Display of engaged gear |
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Close clutch |
GS |
Y39.3/39.4 |
Energizing of corresponding solenoid valves |
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Establishment of power train frictional connection |
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Increase engine torque |
FR |
MR |
CAN 4, change in unit pump actuation time |
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Adjustment of specified engine torque setting on FR |
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10/03 Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
||||
TR |
Information exchange on gear shifting EAS ACTROS, models 930-934; exercise |
17 |
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Task |
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You now know the gear change sequence involved in a gear change. Complete the table below by |
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determining the detailed information contained in the data exchanged between transmitter and |
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receiver. If possible, explain why the information is required. |
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Operation |
Transmitter |
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Receiver |
Relevant information |
Reason |
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Evaluation of shift logic |
FR |
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FR |
Internal data exchange on AGF software |
Evaluation of relevant CAN messages |
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module |
(influencing variables) |
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Select: open clutch |
FR |
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GS |
Open clutch request |
Control of clutch actuator |
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Reduce engine torque |
FR |
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MR |
CAN message (change engine speed and |
De-energizing of power train |
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engine torque) |
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Open clutch, |
Open clutch |
GS |
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Y39.1/39.2 |
Energizing of clutch actuator solenoid valves, |
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clutch position, electronic pulse |
Clutch position feedback |
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Perform gear change |
GS |
Corresponding |
Electronic pulse |
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solenoid valves |
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Adjust engine speed |
MR, |
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Y6-Y13 |
Change unit pump actuation time and engine |
Reduction of clutch wear |
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FR |
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brake actuation |
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Current gear position |
B60, B61, B62, |
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GS |
Position of sensors in gear, gate, splitter and |
Evaluation takes place in GS control unit |
feedback |
B63 |
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range cylinders |
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Display shifted gear |
GS |
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INS |
Shifted gear |
Driver information |
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Close clutch |
Close clutch |
GS |
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Y39.3/39.4 |
Energizing of clutch actuator solenoid valves, |
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clutch position, electronic pulse |
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Adjust FR specified torque setting |
Increase engine torque |
FR |
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MR |
CAN message |
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10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
Information exchange on gear shifting EAS ACTROS, models 930-934; exercise |
18 |
Task |
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You now know the information exchange when shifting gear. But how can you still test the pieces of |
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information? |
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Complete the table below. Use the DAS simulation and the DAS to help you complete the |
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corresponding actual values in the respective fields. |
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Operation |
Transmitter |
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Actual values |
Transmission |
Receiver |
Actual values |
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113, 114 |
Evaluation of shift logic |
FR |
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- - - |
- - - |
FR |
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Select: open clutch |
FR |
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16, 82, 83, 86 |
- - - |
GS |
157, 287, 307 |
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96, 100, 114, 117 |
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Reduce engine torque |
FR |
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14, 15 |
- - - |
MR |
01, 02 |
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Open clutch |
GS |
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039 |
- - - |
Y39.1/Y39.2 |
221, 223 |
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B2 |
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Perform gear change |
GS |
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288-297 |
- - - |
Corresponding |
- - - |
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solenoid valves |
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Adjust engine speed |
MR |
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004, 006, 034 |
- - - |
Y6-Y13 |
- - - |
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35-39 |
Current gear position |
B60, B61, |
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- - - |
- - - |
GS |
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feedback |
B62, B63 |
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Display shifted gear |
GS |
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156 |
FR |
INS |
- - - |
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Close clutch |
GS |
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287 |
- - - |
Y39.1/Y39.2 |
- - - |
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B2 |
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Increase engine torque |
FR |
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14, 15 |
- - - |
MR |
004, 006 |
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10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
Information exchange on gear shifting EAS ACTROS, models 930-934; exercise |
19 |
EAS II - (Code GE2), information exchange and actual values, exercise |
|
29.10.2003 |
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The control units are networked together by a linear bus structure using the CAN bus network between the electronic systems of the engine control and the on-board systems (GS, INS, etc.). A control unit receives a measured value from a sensor, from which it generates a data telegram and puts in on the data bus, where it is available to all the control units connected to the CAN bus.
The control electronics control and monitor the entire GS system gear change sequence.
The control electronics receive information from the system's own sensors and switches (travel sensors and speed sensors) and also via the CAN interface of other vehicle systems.
The corresponding solenoid valves are actuated for shifting the gears. Data are exchanged with other electronic circuits via the CAN interface.
The shifted and preselected gears and also the events and text messages are displayed to the operator in the instrument.
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B28 |
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A68 |
ASIC |
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A82 |
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CAN 3 |
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X13 |
B17 |
MTCO |
CAN 10 |
INS |
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CAN 2 |
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GM |
HM |
B5 |
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S144 |
S145 |
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P3 |
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P2 |
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A7 |
A65 |
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Y44 |
B65 |
B66 |
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CAN 1 |
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RS |
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PSM |
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BS |
K |
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B2 |
B3 |
B57 |
B99 |
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A20 |
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A22 |
A11 |
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G2 |
S2 |
B1 |
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B60 |
B61 |
B62 |
B63 |
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FR |
CAN 5 |
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GS |
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A42 |
S1 |
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A15 |
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A3 |
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A16 |
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Y29 |
Y30 |
Y31 |
Y32 |
Y33 |
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Y1 |
Y2 |
CAN 4 |
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Y34 |
Y35 |
Y36 |
Y37 |
Y38 |
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MR |
FLA |
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A6 |
A4 |
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Y39.1 |
Y39.2 |
Y39.3 |
Y39.4 |
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B10 |
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B15 |
B16 |
B65 |
B111 |
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Y6-13 |
M1 |
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B11 |
B12 |
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B14 |
S10 |
S11 |
S166 |
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PPT |
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), information exchange and actual values, exercise |
20 |
Task |
The diagram shows the GS electronic circuits and those components directly connected. The details |
|
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are based on the given vehicle, an Actros with Telligent automatic transmission and all-wheel function. |
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1. |
First complete the information exchanged and the direction of information between the relevant |
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components. |
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2. |
Secondly complete the actual value (IW) number that goes with the relevant information. |
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Use GF 26.20-W-0007MP. |
Module |
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IW |
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Information |
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Y35 |
MUB |
290 |
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Actuation of uneven gear |
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Actuation of uneven gear |
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Y37 |
MUE |
291 |
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A92 |
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Actuation of uneven gear |
Y36 |
MGB |
292 |
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Actuation of even gear |
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Y38 |
MGE |
293 |
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Gear cylinder position |
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B60 |
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036 |
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Actuation of gate R |
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Y29 |
MG1 |
294 |
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A90 |
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Actuation of gate 3/4 |
Y30 |
MG2 |
295 |
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Actuation of splitter L/H |
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Y33 |
MS1 |
288 |
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Actuation of splitter L/H |
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Y34 |
MS2 |
289 |
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Actuation range high |
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Y31 |
MR2 |
297 |
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A91 |
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Actuation range low |
Y32 |
MR1 |
296 |
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Range cylinder position |
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B63 |
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038 |
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A16
GS
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Information |
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IW |
Pin |
Com- |
Module |
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ponent |
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GS backup mode |
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308 |
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P2 |
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V signal |
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037 |
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P3 |
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Gate cylinder position |
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035 |
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B61 |
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Split cylinder position |
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B62 |
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Clutch position |
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039 |
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B2 |
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Transmission input speed |
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021 |
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B3 |
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Oil temperature |
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B47 |
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Transmission output speed with |
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221 |
|
B99 |
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transfer case |
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Detection of direction of travel |
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|
281 |
|
B57 |
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Open clutch - rapid |
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298 |
MKUB1 |
A39.1 |
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Open clutch - slow |
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A93 |
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298 |
MKUB2 |
A39.2 |
||
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Close clutch - rapid |
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298 |
MKUE1 |
A39.3 |
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Close clutch - slow |
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298 |
MKUE2 |
A39.4 |
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10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), information exchange and actual values, exercise |
21 |
EAS II - (Code GE2), components
Clutch actuator
The tasks of the clutch actuator are as follows:
To convert the electrical control signals in the pneumatic control of the actuator cylinder
To record clutch travel and provide an electrical signal
To operate the mechanical clutch system
The following components are integrated in the clutch actuator:
Solenoid valves: |
Clutch aeration 1, Clutch aeration 2, |
|
Clutch bleeding 1, Clutch bleeding 2 |
Clutch travel sensor (B2)
Actuator cylinder
29.10.2003
W25.20-1018-11 (GT_25_20_0010)
N25.20-2064-01 N25.20-2063-01
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), components |
22 |
The clutch actuator directly operates the mechanical clutch system.
Each of the clutch positions can be moved to and retained by means of the four solenoid valves.
This basic principle applies:
Cylinder extended Clutch open
Cylinder retracted Clutch closed
The clutch travel sensor (B2) records the current position of the clutch actuator.
Key: |
|
MKUB1 |
Solenoid valve, aerate clutch with throttle |
MKUB 2 |
Solenoid valve, aerate clutch |
MKUE 1 |
Solenoid valve, bleed clutch with throttle |
MKUE 2 |
Solenoid valve, bleed clutch |
GT25_00_0001
The four solenoid valves are necessary to properly control the inward and outward flow of compressed air used to move the cylinder.
MKUB2 and MKUE2 have a large air passage and are used to roughly regulate the clutch travel.
MKUB1 and MKUE1 work with a smaller flow area and are used for fine adaptation and very precise positioning during clutch actuation.
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), components |
23 |
Transmission output speed sensor (B57, B99)
The task of the transmission output speed sensor is as follows:
To record the transmission output rpm DZ1/DZ2
The additional recording of the transmission output rpm is needed to detect the direction of rotation.
The transmission output speed sensor (B57) is installed in all vehicles with Telligent automatic transmission II.
Vehicles with Telligent automatic transmission II require direct recording of the transmission output rpm.
This is because the speed sensor (B17) has been moved to the transfer case output.
For this reason the transmission output speed sensor (B99) is only additionally used on vehicles with Telligent automatic transmission II and allwheel drive.
W26.19-1026-06 (GT_26_20_0019)
10/03 |
Trucks • Transmission <> Telligent automatic transmission in ACTROS and ATEGO <<>> Specialist training |
|
TR |
EAS II - (Code GE2), components |
24 |
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