NHTSA ID Number: 10130992
Manufacturer Communication Number: IK0800374
TSB/Document Date: 2018-04-02
Summary
To Get A Helios Capture; All 1939 and 1708 multiplexed trucks only
IK0800374 How To Get A Helios Capture
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GUAM, GUATEMALA, GUYANA, HAITI, HONDURAS,
JAMAICA, KOREA, SOUTH KOREA, PANAMA
Availability: ISIS, Bus ISIS, Body Builder, IsSIR
Revision: 7
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IK0800374
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Created:
6/17/2012
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10/4/2016
Author:
Charles
Schroeder
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Title : How To Get A Helios Capture
Applies To : All 1939 and 1708 multiplexed trucks
Change Log
Please refer to the change log text box below for recent changes to this article:
10/04/2016 ‐ Added a link to the EZTech Download Center where Helios for 500k can be downloaded to an EZ‐Tech. Updated Step 5 to explain you have to
select the baud rate when using Helios for 500k.
02/22/2016 ‐ Revised layout to allow steps to be followed in order based on dealer feedback. Separated article into two sections. Obtaining a Helios capture
and using Helios as a diagnostic tool.
08/31/2015 ‐ Link to Internal document removed
01/08/2015 ‐ Author updated for feedback purposes
Description
Helios is a java based diagnostic tool that will allow you to view all data link messages on both 1939 and 1708 data links. What follows is step by
step on how to:
• Obtain a Helios Capture in Vector Format to attach to a case file.
• Use Helios as a diagnostic tool to view Signals, Faults and more.
Helios is not an effective sniffer. When a module stops communicating it does not "drop off" the sniffer, it stops counting. This can make it
difficult to understand if a module is no longer communicating.
Obtaining a Helios Capture in Vector Format
1. Helios is now available for 500k Baud J1939. You can download the program by going to IK2700065 ‐ EZTech Download Center. Helios for 500k
is item E22 in the Download Center.
2. Click here to download Helios for 250k Baud J1939 (skip to step 3 if program is already installed.)
If a shortcut to the program like this
desktop.
does not appear on your desktop you will have to run the Java viewer to add the shortcut to your
3. If the Helios Icon is not on your desktop, click Windows ‐ Type "javaws ‐viewer" and click the icon (Figure 1)
Figure 1
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1. Click the Windows Icon
2. Type javaws ‐viewer
3. Click the Icon to open the Java Cache Viewer
4. You can create a shortcut to your desktop (Figure 2) or launch the program from the "Java Cache Viewer"
Figure 2
5. Helios will connect and start automatically if you've used it before, and the default format is "Helios Format". If you have not used Helios
before, or you are using a different com link, you will need to select your com link from the Tools menu. ‐ Figure 3. If you are using Helios for
500k you will need to select the baud rate you want to record.
Figure 3
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6. Change the format to .asc Format (Vector) ‐ Figure 4
◦ In order to avoid delays on the case file, this step is very important so the file can be played back reliably.
Figure 4
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7. Clear the log file to prevent having both formats mixed together. ‐ Figure 5
Figure 5
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8. Once you have the data you need, save the file. ‐ Figure 6
Figure 6
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9. Saving the file to your desktop will make it easy to find so you can upload the capture to your case file. ‐ Figure 7
Figure 7
10. You may need to compress (zip) the file so it can be attached to your case file.
Using Helios to View Signals or Faults
• Helios can also be used to view Signals, Faults, Modules Communicating and a Diagnostic Tab
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Figure 8 ‐ Signals Tab
◦ The Signals Tab allows you to view live data as it is broadcast on the data link.
◦ You can customize the view by right clicking on the header bar (as shown) and selecting the items you wish to see or hide.
◾ Please note the Source is a Hexadecimal value. Converting 21 from Hexadecimal to Decimal gives you 33 (Body Controller)
Figure 9 ‐ View or Clear Faults
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◦ You can view and clear faults in the Faults Tab
Figure 10 ‐ Using the Tools Menu
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◦ Use the Tools Menu to view different information.
◦ A new tab will be opened with the information you requested.
◦ Right click on any tab to change or close the tab.
◾ You can change or close any tab on the screen.
Figure 11 ‐ Diagnostics Tab
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◦ The Diagnostic Tab gives a useful overview of the modules.
◦ It can show which module is turning a cluster warning lamp on.
Figure 12 ‐ Moving Tabs
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◦ Left Click and Drag a Tab to various locations on the screen.
◦ This allows you to view full screen if desired, or organize the tabs.
Figure 13 ‐ Example of Tabs Moved for Viewing
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