Westport WEST USB User manual

GX & LNG SYSTEM
WEST USB Communication Hardware Setup Guide
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Copyright © 2010-2012 Westport Power Inc. All rights reserved
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WEST USB Communication Hardware Setup Guide
Purpose:
This guide provides setup and user instructions for the WEST communication hardware. This hardware
is to be used by Westport LNG System qualified technicians to connect a service laptop, loaded with
Westport proprietary WEST diagnostic software, to a Westport powerwed LNG Truck for diagnostic
purposes.
NOTE
The communication hardware is to be used with WEST software to diagnose the Westport LNG
system and related engine parameters only. For all other engine or vehicle performance
parameters, use base engine manufacturer recommended diagnostic software, procedures, and
tools.
Special Tools and Materials Required:
The WEST USB communication hardware kit (P/N 10015993S) includes the following components
(refer to Figure 1 for callouts):
•1x CAN harness (A)
•1x CAN to USB converter (B)
•1x Westport HD carrying case (C)
•1x User instructions (this guide) (D)
Figure 1: WEST USB communication hardware
Stage 1: Driver Installation
Before using the WEST USB communication hardware, the WEST software, as well as communication
drivers, must be installed on the computer to be used with the hardware. First, refer to the WEST User
A
B
C
D

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WEST USB Communication Hardware Setup Guide
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Manual for software installation instructions. Next, follow the steps below to complete the driver
installation.
1. Plug the WEST hardware USB connector into any USB port on the computer.
2. Proceed with either the Windows XP/2000 (steps 3 - 19) or Windows 7 (steps 20 - 35) sections
of this manual, depending on the operating system installed.
Windows XP/2000
3. When the “Found New Hardware Wizard” appears, choose “No, not this time”, and click “Next”
(Figure 2).
4. On the next screen, choose “Install from a list or specific location”, and click “Next” (Figure 3).
Figure 2: Found new hardware wizard screen 1
Figure 3: Found new hardware wizard screen 2

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WEST USB Communication Hardware Setup Guide
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5. Choose “Search for the best driver in these locations”, check “Include this location in the
search”, and click the “Browse” button (Figure 4).
6. Navigate to the CANUSB folder in the WEST installation directory. The default is
C:\WEST\CANUSB. Click “Next” (Figure 5).
7. Wait for the driver installation to finish.
Figure 4: Choose driver location window Figure 5: Browse for CANUSB folder
8. A Windows Logo testing screen may appear. If so, click “Continue Anyway” (Figure 6).
Figure 6: Windows logo testing window
9. If the “Insert Disk” window appears, click “OK”, then “Browse” in the next window. Navigate to
C:\WEST\CANUSB\i386, and click “Open” and then “OK” (Figure 7, Figure 8, & Figure 9).
Figure 7: Insert Disk window
Figure 8: Files Needed window

GX & LNG SYSTEM
WEST USB Communication Hardware Setup Guide
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Figure 9: Navigate to WEST i386 directory
10. Click “Finish” when the completion screen appears.
11. In order to install the second driver, the VCP port must be enabled. Navigate to the “Control
Panel” by clicking “start”, then “Control Panel”
12. If classic view is not already enabled, choose “Switch to Classic View” (Figure 10).
Figure 10: Switch to Classic View
13. From the “Control Panel” choose “System” (Figure 11).
14. Select the “Hardware” tab, and click “Device Manager” (Figure 12).
Figure 11: Control Panel - System
Figure 12: System Properties
Hardware tab

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15. From the device manager, choose the “Lawicel CANUSB” device (Figure 13).
16. Right click on “Lawicel CANUSB”, and choose “Properties” (Figure 14).
Figure 13: Device Manager
Figure 14: CANUSB Properties
17. In the window that opens, choose “Advanced”, and check the “Load VCP” check box. Click
“OK” in the CANUSB properties and System Properties windows to apply the settings (Figure
15).
Figure 15: CANUSB Load VCP
18. Unplug USB connector from computer and re-insert it after 5 seconds.
19. Repeat steps 1 – 10 to complete the installation.
Windows 7
20. When the CANUSB dongle is plugged in, the “Installing device driver software” notification will
briefly appear at the bottom right of the windows taskbar (Figure 16).
Figure 16: Driver installation notification

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21. A pop-up window will appear stating that the “Device driver software was not successfully
installed” (Figure 17). Click “Close”.
Figure 17: Driver not installed window
22. Navigate to the “Control Panel” by clicking start, then Control Panel.
23. Select “Large Icons” Category from the “View by:” pull-down menu at the top right (Figure 18).
24. Select “Device Manager” (Figure 19).
Figure 18: Change view
Figure 19: Select Device Manager
25. Right-click on “Unknown device”, under the “Other devices” entry (Figure 20). Select “Update
Driver Software”
Figure 20: Right-click "Unknown device"
26. In the window that appears, select “Browse my computer for driver software” (Figure 21).

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Figure 21: Update driver window
27. Browse to the C:\WEST\CANUSB installation folder (Figure 22 and Figure 23).
Figure 22: Browse folders Figure 23: CANUSB folder
28. A security warning window may appear. If so, select “Install this driver software anyway”
(Figure 24).
Figure 24: Windows security warning
29. When the installation is completed, a window will appear (Figure 25).

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Figure 25: Driver install complete
30. Return to the device manager view (Figure 20). If “USB Serial Port” appears under “Other
Devices” (Figure 26), repeat steps 25 - 29.
31. The structure shown in Figure 27 should now appear in the device manager.
Figure 26: Incomplete installation Figure 27: New Device Manager entries
32. In order to install the second driver, the VCP port needs to be enabled. Right-click on
“CANUSB” under “Universal Serial Bus controllers” in the device manager and select
“Properties”.
33. Click on the “Advanced” tab and check the “LoadVCP” box (Figure 28). Click “OK”.
Figure 28: Load VCP

GX & LNG SYSTEM
WEST USB Communication Hardware Setup Guide
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34. Unplug USB connector from computer and re-insert it after 5 seconds.
35. Repeat steps 20 – 29 to complete the installation.
Revision Date
(
DD/MM
/
YY
)
Descri
p
tion
00 08/03/11 Initial Release
01 16/03/12 Addition of Windows 7 information