Drew Technologies AVIT Manuale utente
AVIT – Quick Start Guide
Contents
INTRODUCTION ...................................................................................2
AVIT Advanced Pass-Thru Device
AVIT and RP1210
AVIT for Vehicle Diagnostics
AVIT for ECM Reprogra ing
AVIT as a Standalone Device
Measuring Analog Voltages
AVIT for other uses
GETTING TO KNOW AVIT ...............................................................4
Connectors and Status Indicators
Vehicle Connector
Ethernet Lights
Analog Connector
SETTING UP THE AVIT......................................................................6
Powering AVIT
Connecting and Configuring AVIT
Installing Drivers on the Laptop / PC for Ethernet
REPROGRAMMING WITH J2534...................................................8
GM TIS2000 and SPS
Diagnostics with the AVIT
SPECIFICATIONS ..................................................................................9
TROUBLESHOOTING AND SUPPORT ..................................... 0
If you cannot co unicate with AVIT
If you need to recover fro incorrect settings (Ethernet Only)
If you need to generate a logfile for debugging
If you need to update drivers or fir ware
Verify the network is configured correctly
If all else fails...
2
Introduction
Thank you for choosing AVIT! This ulti-protocol “PassThru” vehicle interface tool lets your PC
co unicate and perfor ECU reprogra ing on any odern heavy duty vehicle diagnostic
bus.
This Quick Start Guide covers only the initial setup of the AVIT. Refer to the AVIT Manual
online for full docu entation of all features and procedures.
AVIT Advanced Pass-Thru Device
AVIT is a partially co pliant SAE J2534-1 PassThru device that incorporates any optional
features published in J2534-2. As a PassThru device, it can be connected to a laptop, PC, or
network and incorporates the following features:
• A CAN channel for J1939 or 500K CAN (passenger vehicles)
• A J1708 and J1587 link
• A J1850 link
• A second CAN channel, dual or single wire
• Software controlled low power odes for in vehicle onitoring
• Wake input anual switch or Ignition input
• Optional internal Wireless Ethernet as a host interface
• 16 general purpose analog inputs
• 4 Digital input and 4 Digital outputs
• The rugged alu inu case, standard connectors, extended te perature range and
non-slip rubber end caps ake AVIT ideal for in-vehicle testing and other harsh
environ ents.
AVIT and RP1210
Drew Technologies also offers a RP1210 DLL that allows the AVIT to work with existing
RP1210 applications.
AVIT for Vehicle Diagnostics
The AVIT has optional software available fro both Drew Technologies and third parties for
data logging, diagnostics and easure ent. Drew Technologies offers a licensable API called
JVCI that developers can use to collect sensor data fro passenger vehicles. This API, when
integrated with a GUI application, can reduce the need to instru ent vehicles with external
sensors by collecting data directly fro the in-vehicle network.
AVIT for ECM Re rogramming
Because J2534-1 and RP1210 are widely accepted standards, the AVIT will work with a variety
of ECM reprogra ing applications. The EPA-Published regulation has led to publicly available
reprogra ing applications fro al ost every ajor auto aker. These applications will allow
independent repair shops to update the calibrations on newer heavy-duty vehicles and
passenger vehicles.
3
Auto akers and Tier 1 engineering groups co only have special J2534-1 applications used
for vehicle develop ent. More infor ation on this can be obtained by contacting Drew
Technologies directly.
AVIT as a Standalone Device
AVIT contains a powerful icroprocessor; it can host logging or testing software internally
and can act as a full, standalone co puter. With few odifications, a J2534 progra can be
reco piled to run inside the AVIT.
This is the world’s first open develop ent platfor for heavy duty vehicle applications. The
SDK is included for free, and there are no royalties to pay.
Measuring Analog Voltages
AVIT provides 16 general purpose analog inputs: voltage range –5V - 5V, sa pling rates up to
10 kHz, resolution 12 bits. The 16 Analog channels are divided into 2 banks of 8 channels.
Each bank can be set to sa ple at a different rate. In addition, software selectable Low Pass
filters can be set on each bank.
AVIT for other uses
With all of the custo izable software and features of the AVIT, it also can be used for a variety
of different purposes. With ini al develop ent efforts, the AVIT could acco odate the
following operations:
• Crash Data Recovery Tool
• End-of-Line Manufacturing and Test Tool
• Fleet and rental vehicle long ter data recording
• CAN Interface, J1939 Adapter, and Dealer service tool
• J1850 to CAN gateway
• CAN to J1939 gateway
4
Getting to Know AVIT
AVIT supports all odern heavy duty vehicle diagnostic protocols including: J1850VPW,
J1850PWM, CAN, ISO 15765, J1708 and J1939.
Your package includes the AVIT hardware and two types of Ethernet cables. The vehicle
interface cable is not included. The AVIT vehicle interface is the standard heavy truck 15 pin
DSUB connector.
Connectors and Status Indicators
Front Panel
Connections to Ethernet, USB host and RS232 are available on the front panel.
There are 4 status lights on the front panel of AVIT. For all new or upgraded units (v2.0.2 and
later), these status lights are useful for troubleshooting the AVIT’s connection to a PC.
Figure 1: AVIT front panel
The yellow warning light indicates that AVIT is co unicating with the vehicle. Do not
disconnect while this is illu inated! If you interrupt a reflash while the vehicle’s ECU is blank
or only partially progra ed, the odule ay be unrecoverable. Refer to Table 1 for a
description of the other status lights.
Table 1: Status lights on the front panel of AVIT
Light Description
Top left Power Power (Solid Green)
Top right Network
Green indicates a good connection directly to a PC or an
existing Ethernet network or to an existing wireless access
point.
Bottom left Vehicle Yellow warns that AVIT is talking to a vehicle. Blinks to
indicate activity on the vehicle’s network.
Bottom right Fault Red indicates a o entary network fault or a serious
hardware failure. Please call technical support for assistance.
5
Rear Panel
Connections to the vehicle Digital I/O and analog inputs are available on the rear panel.
Figure 2: Rear panel with vehicle and analog
Vehicle Connector
The ating connector is a DB-15.
Pin # Function
1 No Connect
2 CAN2-
3 CAN2+
4 J1850-
5 J1850+
6 Ground
7 Shield Ground
8 Battery In (250 A @ 12V DC)
9 No Connect
10 Single Wire CAN
11 No Connect
12 CAN1-
13 CAN1+
14 J1708-
15 J1708+
Ethernet Lights
Use the standard Ethernet cable (black) to
connect to an existing network, or use the
crossover cable (blue with red ends) to
connect directly to a laptop.
Color Description
Left Green Ethernet Activity
Right Green Ethernet Link Light
Analog Connector
The 12-bit analog inputs are setup for an
input range of -5V to +5V DC and are
electrically protected against reverse voltage
and over voltage conditions. The Mating
connector is a DB-25
Pin # Function Direction
1 Channel 1 In
2 Channel 2 In
3 Channel 3 In
4 Channel 4 In
5 Channel 5 In
6 Channel 6 In
7 Channel 7 In
8 Channel 8 In
10 Digital I/O 1 In/Out
11 Digital I/O 2 In/Out
12 Digital I/O 3 In/Out
13 Digital I/O 4 In/Out
14 Channel 9 In
15 Channel 10 In
16 Channel 11 In
17 Channel 12 In
18 Channel 13 In
19 Channel 14 In
20 Channel 15 In
21 Channel 16 In
22, 23, 25 Ground
24 Battery Voltage
(200 A ax)
Out
6
Setting u the AVIT
Powering AVIT
First, deter ine how the AVIT will receive power:
a) Vehicle power: Connect the AVIT to the vehicle diagnostic connector.
b) Bench top power supply: When using the AVIT on a bench, put power on pin 8 (VBATT) and ground
on pin 6 (Ground).
When AVIT is first powered-on, the lights will cycle through a self-test procedure. Re e ber that the
AVIT does not receive power fro your PC’s Ethernet port. The 2 USB ports are host ports; they provide
power to your USB device.
Connecting and Configuring AVIT
Second, connect the
AVIT
to your PC:
Using Ethernet
We strongly reco end
AVIT
’s default Client then Server ode, because no configuration
changes would be required when oving the
AVIT
between LAN and in-vehicle use.
To a Laptop Directly
Connect the direct-connect Ethernet cable (blue with red ends) between a PC and the
AVIT
.
This is a crossover type, intended to connect directly to a co puter.
To an Existing LAN
Connect the standard Ethernet cable (black). On ost LANs,
AVIT
can obtain its IP address
auto atically using DHCP. Ask your network ad inistrator if this service is available on your
network.
User-Configurable O tions for Ethernet Users
The
AVIT
offers web-based configuration. Start a web browser and type http://avit/ in the
location bar.
!
So e areas of the AVIT website are password protected. Please enter
user na e “root” and password “powerful” to gain access to these
areas.
To reset configuration to default, select “Boot Options” and click the “Load Factory Default
Settings” button. If all else fails, hold down the black button on the front of the unit while
powering on
AVIT
to enter recovery ode.
Installing Drivers on the La to / PC for Ethernet
Finally, install the driver software on your co puter and select the
AVIT
as a PassThru (SAE
J2534) vehicle interface:
1. On the PC, start a web browser and enter http://avit/ in the location bar.
2. On the
AVIT
ain page, find the link to the Installer v2.0.6.zip file, under the section
heading "How do I get the AVIT to be a J2534 assThru device?"
3. Click on the link and select Run.
7
This will install the
AVIT
driver and register the
AVIT
as an available PassThru device. Be sure to
select "Drew Technologies Inc. - AVIT" on the configuration screen of your reprogra ing
software.
Initial setup of the AVIT is now co plete. The full AVIT Manual has further instructions for
using the AVIT.
8
Re rogramming with J2534
The AVIT can be used to reprogra heavy-duty vehicles and so e passenger vehicles (with
CAN or J1850). The AVIT is not a fully co pliant J2534-1 reprogra ing tool. Use the Drew
Technologies CarDAQ-Plus if you need a fully co pliant J2534-1 device.
When reprogra ing, always be sure the vehicle battery is fully charged and in good working
condition. We reco end connecting an external battery charger to ensure a successful
operation.
More infor ation on how to use J2534 reprogra ing can be found in the support section of
Drew Tech’s website at www.drewtech.co
GM TIS2000 and SPS
If using GM’s TIS or SPS, you will need to setup a J2534 Pass-Thru Driver. You can do this by
following these steps:
1) Click on the configuration drop-down enu and select IO Manage ent
2) On the IO Manage ent screen, click DRIVER to add J2534 support to TIS. In the INSTALL
DRIVER box, type or browse to c:\program files\cosids\bin\j2534.dll and click INSTALL.
This will install the driver and bring you back to the IO anage ent screen.
3) On the IO Manage ent screen, click ADD to add the new interface. For the LOGICAL
NAME type “Generic Pass Thru” and for Driver choose “J2534 Pass Thru Driver”. For TIS
6.5 and earlier, you ust type the LOGICAL NAME exactly as shown with a single space
between words.
4) On the IO Manage ent screen, click PROPERTIES to choose a specific J2534 device. In
the DEVICE NAME list choose
AVIT
PLUS. Return to this screen if you want to change to
a Mongoose later.
5) Close I/O anage ent and choose Service Progra ing Syste . Use the new
GENERIC PASS THRU option as your diagnostic interface.
Diagnostics with the AVIT
The AVIT ay be used as a PassThru diagnostics tool with additional software. Currently
PCMScan and ScanMaster are both supported applications for the AVIT. Please contact Drew
Technologies for a free de o of either product.
Using either application, you can read and clear Diagnostics Trouble Codes and data log PIDS.
9
S ecifications
AVIT Specifications:
Name Value
Input Voltage Range 7VDC to 32VDC
Supply Current 420 A @ 7VDC
300 A @12VDC
270 A @15VDC
200 A @ 24VDC
Operating
Te perature
-40C to +70C a bient
Storage Te perature -65C to +100C a bient
Size
1.25”H x 9.5”D x 5. 5”W
Bus Protocols
• Pri ary CAN / ISO15765 / GMLAN / J1939
• Secondary CAN / ISO15765 / GMLAN (Dual or Single Wire) / J1939
• Ford SCP (J1850PWM)
• GM Class2 (J1850VPW)
• J1708 / J1587
Other
• Co patible with
SAE J25 4
(Feb 2002) and
SAE J25 4-1
(Dec 2004)
• Analog input range –5V to +5V
• Digital input and output axi u range 0V to 32V. Digital input triggers at TTL
levels. Digital outputs sink current to ground. For each of the Digital output, the
axi u sink current is 20 a.
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