CarDAQ-Plus User Manual Revision: May 6, 2005
Contents CARDAQ-PLUS OVERVIEW.................................................................................................................................. 3 CarDAQ-Plus Features SAE J2534 INITIAL SETUP OF THE CARDAQ-PLUS ........................................................................................................
CarDAQ-Plus Overview The CarDAQ-Plus is the most advanced vehicle communications device on the market. It can be used as a fully-compliant J2534 "PassThru" device or as an embedded computer with on-board J2534 functions. The CarDAQ-Plus is useful for bus monitoring/flight recording, diagnostics, calibration, script-based factory testing, ECU reprogramming, ECU simulation and many other tasks. When used in J2534 PassThru mode, the CarDAQ-Plus sits between your vehicle and a PC or laptop.
For detailed information on the various connectors see Around the CarDAQ-Plus. CarDAQ-Plus Features The CarDAQ-Plus can communicate with a Vehicle on the following protocols: • • • • • • • • • • High speed CAN (SAE J2284 Dual-Wire CAN-C up to 1Mbps), including ISO15765-4 Medium speed CAN Single-Wire CAN (SAE J2411 Class B up to 80Kbps), including GMLAN 2.2 (GMW3089) GM Class2 (J1850VPW at 10.416Kbps or 41.666Kbps) Ford SCP (J1850PWM at 41.666Kbps or 83.
Other 3rd parties: As the J2534 standard matures, there will be more 3rd party applications available (i.e. Scan Tool software, performance measurements, network analysis, etc.) DrewTech: Our website and SDK contain some sample programs for testing the API. These will be mainly useful for programmers. Custom software: This is only limited by your imagination: Data logging, Diagnostics, Calibration, Reprogramming, etc.
Initial Setup of the CarDAQ-Plus First, the CarDAQ-Plus needs a power source. The MVCI to OBD-II cable allows powering the CarDAQ-Plus from a vehicle. Most vehicles built after 1996 have an OBD-II connector somewhere under the dash on the driver's side, as specified in SAE J1962. Do not leave the CarDAQ-Plus plugged in to an inactive vehicle for several days, as it may drain the vehicle battery. When using the CarDAQ-Plus on a bench, put power on pin 16 (VBATT) and ground on pin 5 (Signal Ground).
2. 3. 4. 5. Connect power to the CarDAQ-Plus. Verify that the Ethernet Link LED (on the upper right of the Ethernet port) is on. Wait for the front panel LEDs to stop scrolling. Verify that the green ‘Power' light on the front panel is on. Finally, turn on the PC. If the computer is already on, reboot. On the PC, start a web browser and enter http://192.168.43.101/ in the location bar. If the CarDAQ-Plus 'About' page is not displayed, see the Troubleshooting Guide.
While Drew Tech’s testing and the experience of hundreds of CarDAQ-Plus users have shown the unit to be safe and reliable, there is an inherent risk in adding any after-market product that may potentially affect the operation or drive-ability of your vehicle. Drew Technologies will not be held responsible for ANY direct, indirect or consequential damage that arises as a result of connecting to a vehicle.
. Find the configuration program that came with your wireless card. Enter the following: ESSID/Network name: default, Mode: Ad-Hoc or IBSS, Channel: 11, Rate: Auto, WEP: off 10. On your PC or laptop, start a web browser and enter http://172.16.1.1/ in the location bar. If the CarDAQ-Plus 'About' page is not displayed, you should try connecting to the CarDAQ-Plus using wired Ethernet and verify the wireless settings.
Installing the J2534 DLLs The CarDAQ-Plus J2534 DLLs must be installed before applications can use the CarDAQ-Plus. Follow these directions to install or upgrade the DLLs: 1. 2. 3. 4. 5. 6. 7. 10 Go to the CarDAQ-Plus web page (see Initial Setup of the CarDAQ-Plus). On the main page, find the link to the CarDAQ_Plus_Installer.zip file, under the section heading How do I get the CarDAQ-Plus to be a J2534 PassThru device? Click on the link and select Save to disk.
Next Steps After verifying communication with your CarDAQ-Plus, you are ready to put it to use. Here are some of the next steps to take: Running J2534 software Any J2534 application can use the CarDAQ-Plus to communicate with a vehicle. The website http://etools.org/ has links to the ECU re-flash applications from the OEMs. Since J2534 allows multiple devices to be connected at once, you must tell the software you want to use the CarDAQ-Plus.
Wireless Ethernet (Wi-Fi/802.11b) When inserted, the CarDAQ-Plus will configure the card using the wireless settings from the Boot Options page. The default options are: • • • • • • • IP address: 172.16.1.2 Netmask: 255.255.255.0 ESSID/Network name: default Mode: Ad-Hoc or IBSS Channel: 11 Rate: Auto WEP: off Once the CarDAQ-Plus and your PC are configured to have the same settings, no other configuration is needed. The CarDAQ-Plus J2534 DLL will automatically find devices on wired or wireless networks.
Updating the Firmware From time to time, Drew Technologies will make firmware updates available on our website. Follow these instructions to update your CarDAQ-Plus: 1. 2. 3. 4. 5. Download the firmware file from our website to a temporary directory on your PC. Go to the CarDAQ-Plus web page and click on the "Update Firmware" link. Click the "Browse" button and select the firmware file you just downloaded. Click "Go" to read the notes, then click "Update Firmware" to start the update.
Recovery Mode Recovery mode is a special fail-safe mode of the CarDAQ-Plus. It is useful in case the normal firmware gets corrupted. It is also useful if the web server has been turned off, or if the IP settings are incorrect. It temporarily restores the CarDAQ-Plus to a known state. When booted in Recovery mode, the CarDAQ-Plus will try to become a DHCP client, but if that fails, it will become a DHCP server.
Around the CarDAQ-Plus This section will get you familiar with the various lights and connectors on the CarDAQ-Plus. Indicators (Front Panel) Indicators/buttons: (from left to right) Label switch Color Green Black 1 2 3 4 5 Green Green Green Orange Red Meaning CF Card Configured Remove CF/Recovery Mode Bus Data Receive Bus Data Transmit Heartbeat Busy Error During normal operation, the Heartbeat LED will blink on once a second. The Busy LED tracks the CPU usage of the CarDAQ-Plus.
Compact Flash Connector (Front Panel) The front panel Compact Flash connector can be used for most CF cards. The most popular are Flash data cards and 802.11b Wireless Ethernet cards. Most Wireless Ethernet cards should be plug and play, once you configure the Wireless section of the Boot Options. When the card is recognized and ready, the Green LED between the CF connector and the Push Button Switch will light up. To remove the card, press the Push Button Switch and wait for the light to go out.
Vehicle Connector (Back Panel) The CarDAQ-Plus is powered from the vehicle connector. Leaving the CarDAQ-Plus plugged in to an inactive vehicle could drain the vehicle battery after several days. The connection to the vehicle bus is a standard MVCI connector, using a High Density DB26. Drew Tech sells MVCI-J1962 connectors and banana plug connectors. The first 16 pins map directly to the SAE J1962 (OBD-II) connector. The next few pins are for identifying the cable.
Troubleshooting Guide Verify the CarDAQ-Plus is getting power The CarDAQ-Plus gets power via the vehicle cable. When power is first applied to the CarDAQ-Plus, all the LEDs will come on briefly. While booting, the Orange 'busy indicator' light will blink. When the CarDAQ-Plus is done booting, the Orange light will stay off, but the green 'Heartbeat' light will blink. The pattern of blinking will indicate what mode the CarDAQ-Plus is in (see network configuration sections above.
The CarDAQ-Plus web page works, but applications don't work: • • Your network settings may be incorrect. Specifically, verify that the CarDAQ-Plus netmask setting is the same as your PC/laptop's netmask setting. Your application may be looking for the wrong J2534 device. Make sure "CarDAQ-Plus" is selected. If applications work, but not the CarDAQ-Plus web page: • • • • Verify that your web browser is not using a proxy.
Specifications Operating Voltage Range: 7 to 26 Volts Supply Current: 140ma Typical Operating Temperature: 0 to 70 degrees C Specifications subject to change without notice CarDAQ-Plus has been carefully designed and tested to comply with OBDII protocols, which are used on most 1996 and newer cars and light trucks sold in the USA. However, some vehicle models are not in full compliance with these protocols for various reasons.
Appendix A: Customizing the CarDAQ-Plus Networking mode One of the configurations in the previous section will work for most customers. Customers with advanced needs will find that the CarDAQ-Plus has very flexible networking abilities to fit different types of networks. There are many different networking modes involving various ways to setup a TCP/IP network. Most users can get started using the default mode ("Client then Server").
1. 2. 3. 4. 5. Connect the direct-connect Ethernet cable (which is blue with red ends) between your computer and the CarDAQ-Plus. Connect power to the CarDAQ-Plus. Verify that the Ethernet Link LED (on the upper right of the ethernet port) is on. Wait for the orange light on the front to stop blinking. Verify that the green 'Heartbeat' light on the front panel is blinking in a regular pattern, two beats per second. Finally, turn on your computer.
• • • When you are at your desk, you must remember to plug the CarDAQPlus into your corporate network before applying power. If you power up before plugging into Ethernet, the CarDAQ-Plus will confuse your network by having 2 DHCP servers. When you are using the CarDAQ-Plus in a vehicle with your laptop boot your laptop only after connected to a powered CarDAQ-Plus, or reboot your laptop after connecting to the powered CarDAQ-Plus. (See section on DHCP renewal for a workaround.
Use Case 5: Dual Networks Most PCs and Laptops can take multiple Ethernet cards. By purchasing a 2nd Ethernet card, it is possible to talk to both the corporate LAN and the CarDAQ-Plus, but keep the bus traffic off the corporate LAN. This is especially useful for developers working on a PC at a desk/bench. Caveats: • • • For laptops, it may be easier to use the built-in Ethernet with the CarDAQ-Plus, and use the add-on Ethernet for the corporate network.
Appendix B: Instructions for configuring your network card Windows 95/98/ME Networking To configure Windows 95/98/ME for DHCP: 1. 2. 3. 4. 5. 6. 7. 8. 9. From the Windows Start menu, choose Settings >> Control Panel. Double-click on the Network icon. Select the line that says "TCP/IP -> " Click the Properties button. Select the IP Address tab. Select Obtain an IP address automatically. Close the properties window by clicking OK. Close the network window by clicking OK.
Windows 2000 Networking To configure Windows 2000 for DHCP: 1. 2. 3. 4. 5. 6. 7. From the Windows Start menu, choose Settings >> Network and Dial-up Connections >> Local Area Connection. Right-click on Local Area Connection and select Properties. On the General tab, choose Internet Protocol (TCP/IP) then click Properties. Select Obtain an IP address automatically and Obtain DNS server address automatically.
