Launch X-431 User Manual
LAUNCH X-431 User’s Manual
to the purchaser of this unit or third parties for
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Copyright Information
Copyright © 2000 by LAUNCH TECH. CO., LTD.
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LAUNCH shall not be liable for any damages or
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General Notice
l Other product names used herein are for
identification purposes only and may be
trademarks of their respective owners.
LAUNCH disclaims any and all rights in
those marks.
l There is a possibility that this unit is
inapplicable to some of the vehicle models
or systems listed in the diagnosis section
due to different countries, areas, and/or
years. Do not hesitate to contact LAUNCH
if you come across such questions. We are
to help you solve the problem as soon as
possible.
Disclaimer
l To take full advantage of the unit, you
should be familiar with the engine.
l All information, illustrations, and
specifications contained in this manual are
based on the latest information available at
the time of publication. The right is
reserved to make change at any time
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LAUNCH X-431 User’s Manual
Table of Contents
Introduction...........................................................1
Features...........................................................1
Convenient to Update..................................1
Advanced.....................................................1
Open............................................................1
Integrative....................................................1
Flexible........................................................1
Precaution on Operation..................................1
Maintenance.....................................................2
Storage........................................................2
Take Care of the Screen..............................2
Maintenance of CF card..............................2
Consumption Material..................................3
Outline of X-431...............................................3
Function of the Three Main Parts.....................3
X-431 Main Unit...........................................3
SMARTBOX.................................................3
MINIPRINTER.............................................4
Specifications...................................................4
Hardware Configuration...................................4
Layout of Three Main Parts..............................5
Working Principle of X-431...............................5
Block Diagram of X-431 Hardware...................6
Working Procedure of X-431.......................6
Ports and Indicators.........................................6
Printer Operation..............................................7
Mounting Paper...........................................7
Printing Test Result......................................8
Explanation of Buttons.....................................8
Vehicle Diagnosis.................................................9
Button Descriptions..........................................9
Conditions for Test...........................................9
Select Diagnostic connector.............................9
Diagnostic Socket Location..............................9
Pin Definitions..................................................9
Connection.....................................................10
Operation.......................................................10
Entering Function Menu.............................10
Read ECU Memory....................................13
Read Fault Memory....................................13
Erase Fault Memory...................................14
Diagnose Final Control...............................15
Basic Setting..............................................15
Read Measuring Value...............................16
Read Individual Measuring Value...............17
Adaptation..................................................17
Code Control Unit.......................................18
End Output.................................................19
Login Procedure.........................................19
Update of Diagnostic Software...........................21
Hardware Requirement..................................21
User Registration............................................21
Read Terms of Service...............................21
Fill in Necessary Information......................22
Member Login.................................................22
Member Area..................................................23
Account Administration...............................23
Product Control..........................................23
User’s Information Maintenance................23
Order Information.......................................23
Logout........................................................23
Software Download........................................23
Software Update.............................................25
Flow Chart of X-431 Update for New User.....27
Main Unit.............................................................28
Introduction.....................................................28
Interface.....................................................28
Input................................................................30
Using the Soft Keyboard............................30
Input by Keyboard......................................30
Input by Writing Board................................30
Control of App.................................................31
Check Box..................................................31
Scrolling Bar...............................................31
Common Button.........................................31
Help............................................................31
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LAUNCH X-431 User’s Manual
Tool and Game...............................................32
Tools..........................................................32
Game.........................................................34
PIM.................................................................35
Memo.........................................................35
Delete Address..........................................38
Search Address.........................................38
To Do.........................................................39
Schedule....................................................41
System...........................................................43
Control Panel.............................................43
System Information....................................47
Shut Down.................................................48
FAQ....................................................................49
About Update via Internet..............................49
About Hardware.............................................50
About System Setting.....................................51
About Operation.............................................52
Questions Related to Vehicle.........................53
About ECU..........................................................54
Composition and Working Principle of
Computer- Control System.............................54
Sensor.......................................................54
ECU...........................................................55
Actuator.....................................................55
Self-diagnosis of Electronic Control System..56
Working Principle of Self-diagnosis...........56
Readout of Fault Code in Automotive
Self-diagnosis System...............................56
Basic Knowledge of ECU...............................57
Composition of Vehicle ECU......................57
Precautions Related to ECU......................57
Appendix 1: about VIN........................................59
Appendix II: Block and Parameter Definition of
Volkswagen Vehicle............................................61
Passat B5 Engine Data Stream Block Table..61
Passat B5 AT System Data Stream Block Table
.......................................................................65
Passat B5 ABS Data Stream Block Table......66
Jetta Engine System Data Stream Block Table
........................................................................67
Golf Engine System Data Stream Block Table70
Audi 200 Engine System Data Stream Block
Table...............................................................71
Appendix III: Channel Function Table of
Volkswagen Vehicle............................................73
Audi 200.........................................................73
Audi A6...........................................................73
Passat B5.......................................................73
Appendix IV: Control Unit Code of Popular
Volkswagen Vehicles..........................................74
Audi A6...........................................................74
Passat B5.......................................................78
Jetta................................................................79
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LAUNCH X-431 User’s Manual
Integrative
Introduction
X-431 is a newly developed automobile
diagnostic computer. It is based on the
technology of open diagnostic platform, the
most advanced automobile diagnostic
technology brought forward by LAUNCH.
The open diagnostic platform represents the
highest level of automobile diagnostic
technology, and is the developing trend of this
field in the future.
Features
Convenient to Update
l The function of software update via Internet
makes it easy for customer to get the latest
diagnostic program and keep pace with the
development of automotive technology.
l Multilanguage display makes operation
convenient in different countries and areas.
Advanced
X-431 is the most advanced automobile
diagnostic unit in the world at present. It is
compactly designed and with large LCD touch
screen. Demountable printer makes the
operation easy.
The product is a combination of the automobile
industry and the communication technology,
which starts the new development trend in the
automobile diagnosis field. This product not
only provides a new way of automotive
diagnosis for vehicle service station, but also
becomes a favorable choice for “DIYers”.
X-431 has all functions of PDA.
Handwriting input, personal database, vast
vocabulary English-Chinese dictionary. The
super capacity database can realize
multi-purpose management of user’s
information.
Flexible
X-431 has a fire-new modern design. Each
function can be combined with others at will or
used independently.
l The main unit and the diagnostic box can
be used independently.
l The main unit itself is equal to a PDA,
which has the functions of personal
database, etc.
l The SMARTBOX can be connected to PC
to perform automobile diagnosis when it is
demounted from the main unit. The
diagnostic software used by PC can even
be downloaded on the LAUNCH website.
That is, the SMARTBOX can be sold
independently. This is the important feature
of X-431.
l A standard RS232 interface is used to
connect the SMARTBOX and its upper unit.
So more BOXes can be designed to
increase functions, such as SENSORBOX,
REMOTEBOX, etc. This feature increases
the value of X-431.
l MINIPRINTER is detachable. User can use
it to print out data.
As described above, the independent use of the
main unit and the SMARTBOX (or other
diagnostic box) is the extraordinary and creative
feature of X-431.
Open
l Open operating system. That is, X-431 is
an open automobile diagnostic platform
with multifunction and multi-language
based on LINUX operating system.
l X-431 provides open interface to support
the third party’s development.
Precaution on Operation
l The X-431 is equipped with a leather
cover for protecting the machine and
firmly combining the main unit,
SMARTBOX and MINIPRINTER together.
Do not remove the leather cover during
operation. Try your best to keep the
screen facing upward and leveled.
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LAUNCH X-431 User’s Manual
l Be careful when plugging and unplugging
the main cable and diagnostic connector.
Tighten the screw before operation so as
to avoid unexpected disconnecting and/or
damage to the port.
l Hold the X-431 main unit during operation.
Do not hold the SMARTBOX or
MINIPRINTER so as to prevent the
SMARTBOX and MINIPRINTER from
being disconnected.
l Firmly hold the main unit when connecting
or disconnecting MINIPRINTER or
SMARTBOX to avoid dropping down.
l Do not insert and pull out CF card too
frequently. Press ejector button before
pulling out the CF card. Insert the CF card
into the CF card slot, keep the face
labeled “UPSIDE” upward, and make
sure the card is fully seated.
l Handle with care. Avoid hitting. Unplug the
power after operation.
l Put the stylus into the hole at back of
X-431 main unit after operation. And put
the cables, connectors and other
accessories into box.
l When it is necessary to remove the
leather cover, pull out the CF card first and
push in the ejector button to avoid
scratching the leather cover.
l Hold the connector when plug or unplug it.
Do not pull the cable for unplugging.
Maintenance
Storage
l Store the X-431 on a flat and dry place
with suitable temperature.
l Never put the X-431 in direct sunlight or
near the heating source.
l Prevent smoke, water and oil from
entering the X-431.
l Avoid shock, dust, moisture and extremely
high temperature.
l Do not disassemble the main unit. Clean
the outside surface and screen with soft
cloth that is dipped with a little water if the
main unit is dirty. This should be done
after the machine is turned off and the
power cable is removed.
l Periodically turn on the X-431 main unit if
it is not operated for long time to avoid
moisture.
Take Care of the Screen
l Turn off the power if it is expected not to
operate the X-431 for a long while. It can
extend the life of screen and save energy.
l Do not put anything on the main unit to
avoid damage to the internal parts.
l Use the equipped stylus to click the
screen. Do not use fingernail or other
sharp object to touch the screen.
l Dust may be accumulated on the LCD
screen owing to electrostatic. It is
suggested to buy the special LCD screen
wiper to clean the screen gently. Do not
wipe the screen with bare finger.
l Never use chemicals to clean the screen.
Maintenance of CF card
l Do not pull out the CF card when the
X-431 main unit is working.
l Pull out the CF card and store it in the
place without magnetic field after the
machine is turned off. Do not turn on/off
the X-431 main unit too frequently.
l CF card reader/writer may be used when
doing updating. The CF card must not be
pulled out when the CF card reader/writer
is being used. Otherwise, the data in the
CF card will be lost. Procedure for pulling
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LAUNCH X-431 User’s Manual
out the CF card is as follows:
On the desktop of Windows, open the
window of “My computer”. Click the right
mouse button on “Removable disk” to pop
up a menu. Select “Ejector (J)” in the
menu. Then pull out the CF card. The
written data may be lost if the CF card is
pulled out discretionarily. When you want
to use the CF card again, put it in.
l In case X-431 CF card is damaged and
the program in the card can not be used,
please use the following procedure to
remake the CF card:
² Log onto the website
"www.X431.com". Enter your
username and password to log in.
Select the SMARTBOX No., and
then download the X-431 UPDATE
TOOLS, DISPLAY PROGRAM,
SYSTEM DATA and necessary
diagnostic program into your
computer.
² Install the X-431 UPDATE TOOLS
into computer.
² Format the X-431 CF card.
² Run the X-431 UPDATE TOOLS and
write the display program, system
data and diagnostic programs onto
CF card.
Consumption Material
Printing paper.
Refer to the section “Printer Operation” for
paper installation.
Outline of X-431
Figure 1-01
Figure 1-01 shows the main parts of X-431.
They are: X-431 main unit, SMARTBOX and
MINIPRINTER. Each of the three parts has
independent function. They may work
separately or be connected together according
to different requirement of configuration.
For easy operation, the three parts are usually
connected together and enclosed in a leather
cover for preventing looseness or damage.
Additional parts, such as main cable, power
cable, power adapter, CF card, CF card
reader/writer, diagnostic connectors and so on,
are equipped for vehicle diagnosis.
Function of the Three Main
Parts
X-431 Main Unit
The X-431 main unit is like a PDA when it is
used independently. It has all functions of a
standard PDA, including personal information
management, control panel, game, etc.
SMARTBOX
SMARTBOX is the main part for vehicle
diagnosis. It can be connected to PC for vehicle
diagnosis if the X-431 main unit is not
connected. So the SMARTBOX can be sold
independently and be used with PC that has
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LAUNCH X-431 User’s Manual
relevant software. The software is available on
our website at http:// www. X431. com. This is
an important feature of the product.
SMARTBOX is designed elaborately for future
update.
The interface for connecting SMARTBOX and
its upper unit is RS232. More BOXes can be
developed to increase the function of the
product, such as SENSORBOX, REMOTEBOX,
etc. It makes the product more and more
valuable.
MINIPRINTER
It is connected with X-431 main unit via a
standard parallel port for printing out the test
result. Thermal printer paper (size: Φ30×57mm,
bore diameter:Φ7mm) is used.
Specifications
l Operating system: LINUX
l RAM: 16M
l CF card: 64M
l Main unit I/O: standard serial/parallel port
l Main unit power source: DC12V
l Main unit power: about 9W
l Printer: high-speed thermal mini printer
l Printer port: standard parallel port
l Screen: 240*320 LCD touch screen with
back light
l Configuration: Main unit, Smartbox and
miniprinter
Hardware Configuration
For vehicle diagnosis, some accessories (e.g.
connectors and cables) should be used to
connect the X-431 main parts to the vehicle
diagnostic socket.
X-431 configuration is as shown in Figure 1-02.
Item
X-431 main
1
unit
2 MINIPRINTER
3 CF card
4 USB cable
CF card
5
reader/writer
Diagnostic
6
connector
7 Power cord
Cigarette
8
lighter cable
Battery cable
9
w/two clips
10 Power adapter
11 Main cable
12 SMARTBOX
Figure 1-02
Name Descriptions
To display operation
buttons, test result, help
information, etc.
To print test result.
(optional)
To store diagnostic
software and data
To connect CF card
reader/writer and computer
To read or write data on
the CF card
Dozens of connectors are
equipped for various
vehicles. Here shows a
typical one.
To connect the AC
100-240V (50-60Hz) outlet
and the power adapter.
To get power from the
vehicle cigarette lighter
To get power from the
vehicle battery
To convert 100-240V AC
power into 12V DC power.
To connect the diagnostic
connector and
SMARTBOX
To perform vehicle
diagnosis
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LAUNCH X-431 User’s Manual
Paper
Out
Layout of Three Main Parts
Paper In
Printer adjustor
Ejector
Serial Port 1
CF Card Slot
Hot Key
Power Button
Working Principle of X-431
X-431 combines the technology of automobile
and computer. It uses computer technology to
scan the trouble code in various systems of
automobile. The test result is displayed on the
LCD screen in forms of characters, digits,
waveforms, etc, or is printed out. User can
Touch Screen
DATA I/O
Figure 1-03
know the trouble type, cause, location and
troubleshooting solutions on vehicle according
to the displayed information. X-431 can also
clear the trouble code after vehicle is repaired.
X-431 is based on Linux operating system and
adopts SMARTBOX for vehicle diagnosis. It can
diagnose vehicles made by different
manufacturers. The test can be automatized
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LAUNCH X-431 User’s Manual
and computerized.
X-431 features high automation, powerful
function, large database, multi-language,
compact structure and easy operation.
All advantages are realized by the following
techniques:
l Advanced main unit circuit. It includes
CPU, LCD, keypad, EPROM,
re-programmable data memory, universal
interface, some supplementary circuits.
l Various diagnostic circuits. One end is
connected to the main unit and the other
is to vehicle diagnostic socket for
diagnosing different vehicle model.
l Specific diagnostic program for specific
vehicle.
l Splendid programming. Programs, font
database and information are loaded from
PC to X-431 via communication.
Block Diagram of X-431
Hardware
As shown in Figure 1-04. The upper unit is a
computer with Linux operating system which
can run diagnostic program. The lower unit is
SMARTBOX which matches the voltage,
baudrate and other signal logic. The upper unit
and lower unit are connected via serial port.
The SMARTBOX is connected to vehicle ECU
through cable and connectors.
Working Procedure of X-431
Figure 1-05
Figure 1-05 shows the working procedure of
X-431. In the “X-431 main program”, after user
select vehicle make and diagnostic program,
“X-431 main program” downloads the
SMARTBOX program for the vehicle to the
SMARTBOX and makes the SMARTBOX run
the program; then creates the diagnostic
procedure and calls out the “Diagnostic
program” so that the “Diagnostic program” and
the SMARTBOX program perform the whole
process of diagnosis. “X-431 main program” is
to display the diagnostic result and interact with
user.
Ports and Indicators
See Figure 1-06 for X-431 connection ports and
indicators
Figure 1-04
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LAUNCH X-431 User’s Manual
2
4
78
21
13
15
43
65
9
16
17
18
19
14
10
Printer SEL indicator（printer readiness）
1
Printer power indicator
Printer SEL button（printer readiness）
3
Printer FL button（paper feed）
Parallel communication port for
5
connecting printer to main unit
Power input for printer
6
Parallel communication port for
7
connecting main unit to printer
Power output of main unit.
8
Hotkey of main unit
9
Power switch of the main unit.
10
11 Power input of main unit
12 Serial communication port of main unit
13 Power output of SMARTBOX
Serial communication port of
14
SMARTBOX
15 SMARTBOX power indicator
Indicator to show SMARTBOX sending
16
data to the main unit
Indicator to show SMARTBOX receiving
17
data from the main unit
Indicator to show SMARTBOX sending
18
data to ECU
1112
Figure 1-06
Indicator to show SMARTBOX receiving
19
data from ECU
20 SMARTBOX data port
Printer Operation
Mounting Paper
MINIPRINTER uses heat sensitive paper with
size of Φ30×57mm (internal holeΦ7mm).
Refer to Figure 1-07a to Figure 1-07d for
mounting the paper.
1. Open the paper lid on the back of the
printer. See Figure 1-07a.
20
Figure 1-07a
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LAUNCH X-431 User’s Manual
2. Take out the spindle and mount the paper
scroll onto the spindle. See Figure 1-07b.
Figure 1-07b
3. Put the paper spindle into the printer with
correct direction. The paper may not be fed
if the direction is wrong. See Figure 1-07b
and Figure 1-07c.
Figure 1-07c
4. Open the side plate, pull up the pressing
rod and lead the paper into slot. Turn the
feed knob clockwise until the paper comes
out of the outlet. See Figure 1-07d.
5. Push down the pressing rod, mount the
side plate, attach the paper lid, and then
connect the printer to the X-431 main unit.
Printing Test Result
There are two indicators on the printer:
1. [SEL]：to show the readiness of the printer.
2. [POWER]： the power indicator of the
printer.
If the [SEL] indicator is not lit, you can press the
[SEL] button to turn it on and make the printer
ready.
When the [SEL] indicator is lit, it shows that the
printer is ready. Click the [PRINT] button (if it
appears) on the screen of X-431 main unit to
print the test result.
Explanation of Buttons
[POWER]
[HOTKEY]
[SEL]
[FL] Paper-feed button.
Power button
Hot key. Press it to calibrate
the screen after the machine is
turned on. Or press it to enter
the vehicle diagnosis interface
after X-431 is started.
To select the printer. When
[SEL] indicator is lit, the printer
is ready to print. If [SEL]
indicator is not lit, the printer is
not able to print.
Figure 1-07d
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LAUNCH X-431 User’s Manual
described procedure and the screen
Vehicle Diagnosis
Button Descriptions
The main buttons on the operation interface
and their functions are as follows:
[BACK]: to return to the previous interface.
[START]: to do the next operation.
[EXIT]: to exit the diagnostic program.
[OK]: to confirm and execute.
[CANCEL]: to cancel present operation and
return to the previous interface.
[PAGE UP]: to display the previous page. It is
inactive if the current page is the first page.
[PAGE DOWN]: to display the next page. It is
inactive if the current page is the last page.
[HOME]: return to the main interface.
[PRINT]: to print the test result.
[BOX INFO]: to show the version information
of SMARTBOX.
[HELP]: to display the help information.
[RETRY]: to do the unfinished operation once
again.
prompts when diagnosing other vehicle.
Volkswagen vehicle is usually equipped with
4PIN or 16PIN diagnostic socket.
Please select the [Audi-4] diagnostic
connector for 4PIN diagnostic socket or [Smart
OBDII] diagnostic connector for 16PIN
diagnostic socket.
Diagnostic Socket Location
The diagnostic socket of Volkswagen vehicle
is located in the cab under the instrument at
the driver side.
Pin Definitions
4PIN Diagnostic Socket
The 4PIN diagnostic socket is as shown in Figure
2-01.
Conditions for Test
l Turn on the key.
l The voltage of vehicle battery should be
11-14V. The rated voltage of the X-431 is
12V.
l The throttle should be in the closed
position.
l X-431 can be operated in the temperature
of 0-50℃. (30 minutes of warming-up
may be necessary when the ambient
temperature is 5℃) .
Select Diagnostic connector
Various diagnostic connectors are supplied
with X-431. Select a specific connector
according to the tested vehicle.
Let’s take Volkswagen vehicle as example to
describe the test procedure.
Note:
The test procedure for different vehicle
make is similar. Please refer to the
Figure 2-01
PIN definition of 4PIN diagnostic socket
PIN
1 L line
2 K line
3 Grounding
4 Power
16PIN Diagnostic Socket
The 16PIN diagnostic socket is as shown in Figure
2-02.
Definition
Figure 2-02
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LAUNCH X-431 User’s Manual
PIN definition of 16PIN diagnostic socket
PIN
2 BUS+
4 Grounding
5 Grounding
7 K line
10 BUS15 L line
16 Power +12V
Definition
Connection
l Insert the CF card into the CF card slot,
keep the face labeled “UPSIDE”
upward, and make sure the card is fully
seated.
l Insert one end of the main cable into the
diagnostic socket on SMARTBOX.
l Connect the other end of the main cable
to the diagnostic connector.
l Connect the other end of the diagnostic
connector to the vehicle diagnostic
socket.
Note:
If the power supply on vehicle diagnostic
socket is insufficient or the power pin is
damaged, you can get power in the
following ways:
♦ From cigarette lighter: insert one end
of the cigarette lighter cable into the
lighter socket in vehicle and connect
the other end to the power connector of
X-431 main cable.
♦ From battery: clamp the two clips of
battery cable on the positive and
negative poles of battery and insert
another end of the cable into the power
connector of X-431 main cable.
♦ From power adapter: connect the
power adapter to the 100-240V AC
outlet with power cord. Insert the 12V
DC plug of power adapter into the
power connector of X-431 main cable
Operation
Entering Function Menu
After connection, press [POWER] key to start
X-431.
After starting the main unit, press [HOTKEY]
(or click [Start] button on the main menu, and
select [GAG]→ [GD Scan] on the pop-up
menu), the screen will display the home page
of vehicle diagnosis as shown in Figure 2-03.
Figure 2-03
Button descriptions:
♦ [QUIT]: to exit the diagnostic program.
♦ [BOX INFO.]: to display hardware and
software version of SMARTBOX.
♦ [HELP]: to display help information.
♦ [START]: to start the diagnosis.
Click [START] button, the screen will display
the vehicle make menu as shown in Figure
2-04.
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LAUNCH X-431 User’s Manual
♦ [BACK]: to return to the previous
interface.
♦ [HELP]: to display the help information.
Click [Volkswagen V10.01 All Systems]. The
display will be as shown in Figure 2-06.
Figure 2-04
Button descriptions:
♦ [BACK]: to return to the previous
interface.
♦ [PAGE UP]: to display the previous
page, it is inactive if the current page is
the first page.
♦ [PAGE DOWN]: to display the next page,
it is inactive if the current page is the
last page.
♦ [HELP]: to display the help information.
Click the icon of Volkswagen on the vehicle
make menu. The screen will be displayed as
shown in Figure 2-05.
Figure 2-06
The software can diagnose the electronic
control systems of Volkswagen up to 2002.
The operation is the same as that of the
original scan tool.
Click [OK] button, X-431 begins reset and
check the SMARTBOX, and download the
diagnostic program from the CF cartridge.
After download, the screen will be displayed
as shown in Figure 2-07.
Figure 2-05
Button descriptions:
Figure 2-07
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LAUNCH X-431 User’s Manual
Button descriptions:
[OK]: to go on the test.
Click [OK] button, the screen will display the
information as shown in Figure 2-08.
Figure 2-08
Button descriptions:
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [HELP]: to display the help information.
Click [Rapid Data Transfer]. The screen
displays the menu of test systems as shown in
Figure 2-09.
There are several pages for the menu. Click
[PAGE DOWN] to see the next page.
Note:
The test operation for different systems is
similar. Here we take [Engine electronics]
as an example to describe.
Button descriptions:
♦ [PAGE DOWN]: to display the next
page.
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [HELP]: to display the help information.
Click [Engine electronics]. If the
communication is successful, the screen will
display the information on vehicle ECU, as
shown in Figure 2-10.
Figure 2-10
Note:
The information is from the vehicle ECU. If
you have any question during test, don’t
hesitate to contact LAUNCH to get answer
as soon as possible.
Button descriptions:
♦ [OK]: to go on the test.
♦ [PRINT]: to print the displayed
Figure 2-09
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information.
LAUNCH X-431 User’s Manual
Figure 2-11 shows an example of printed
report.
Figure 2-11
Click [OK] button. The screen will display the
function menu as shown in Figure 2-12.
Figure 2-12
Button descriptions:
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [HELP]: to display the help information.
♦ [PAGE DOWN]: to display the next
page.
Click [PAGE DOWN] button to display the
second page of the function menu as shown in
Figure 2-13.
Figure 2-13
Read ECU Memory
Click [Read ECU Memory] in the function
menu. The screen will display the information
on ECU of the tested system. See Figure 2-14.
Figure 2-14
Note:
The information is from the vehicle ECU. If
you have any question during test, don’t
hesitate to contact LAUNCH to get answer
as soon as possible.
Click [OK] button to return to the function
menu.
Read Fault Memory
Click [Read Fault Memory] in the function
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LAUNCH X-431 User’s Manual
menu. X-431 starts to test the fault code. The
screen will display the test result when the test
is finished. Figure 2-15 is an example of a test.
Figure 2-15
Button descriptions:
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [PRINT]: to print the test result.
Click [PRINT] to print out the test result. Figure
2-16 shows an example of printed report.
Figure 2-17
Click [OK] button to return to the function
menu.
Erase Fault Memory
Click [Erase Fault Memory] in the function
menu. X-431 starts to erase the fault code.
The screen will display the residual fault code
after erasing. Figure 2-18 shows an example
of the result after erasing.
Figure 2-16
If there is no fault code in the tested system,
the display will be as shown in Figure 2-17.
Figure 2-18
Button descriptions:
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [PRINT]: to print the test result.
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LAUNCH X-431 User’s Manual
Click [PRINT] to print out the test result. Figure
2-19 shows an example of printed report.
Figure 2-19
If all fault codes are erased or there is no fault
code in the tested system, the screen will be
displayed as shown in Figure 2-20.
Figure 2-20
Click [OK] button to return to the function
menu.
Diagnose Final Control
Click [Diag Final Ctrl] in the function menu.
The screen will display the information as
shown in Figure 2-21.
Figure 2-21
Button descriptions:
♦ [YES]: to perform the test for next
component.
♦ [NO]: to quit the test and return to the
function menu.
When the test for all actuators is finished, the
screen will display the information as shown in
Figure 2-22.
Figure 2-22
Click [OK] button to return to the function
menu.
Basic Setting
Basic setting is necessary for some systems
after service is done.
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LAUNCH X-431 User’s Manual
Click [Basic Setting] in the function menu. The
display will be as shown in Figure 2-23.
Figure 2-23
X-431 prompts user to input the channel No.
Click the number button to input the group No.
If wrong number is inputted, click [BACK
SPACE] to delete the wrong number and input
the correct one. After the correct channel No.
is inputted, click [OK] button to perform the
basic setting for the system.
X-431 prompts user to input the channel No.
of data stream. Click the number button to
input the group No. If wrong number is
inputted, click [BACK SPACE] to delete the
wrong number and input the correct one. After
the correct channel No. is inputted, click [OK]
button to perform the function of “read
measuring value”.
For example, when “1” is inputted for the
channel No., the screen will display the live
value of data stream of the channel. See
Figure 2-25.
Read Measuring Value
Click [Read Measuring Value] in the function
menu. The screen will be displayed as shown
in Figure 2-24.
Figure 2-24
Figure 2-25
For seeing the waveform of an item, click the
item and then click [GRAPHIC-1]. Figure 2-26
shows an example of the waveform.
Figure 2-26
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LAUNCH X-431 User’s Manual
Click [GRAPHIC-2] to display the waveforms
of 2 data stream items. See Figure 2-27. It is
convenient for the user to make live
comparison between two correlative data
stream items.
Figure 2-28
X-431 prompts user to input the channel No.
of data stream. Click the number button to
input the group No. If wrong number is
Figure 2-27
Note:
♦ The screen will display the live value of
data stream again if the [DIGITAL]
button is clicked in the interface.
♦ The three display modes -- [DIGITAL],
[GRAPHIC-1] and [GRAPHIC-2] can be
switched in turn.
inputted, click [BACK SPACE] to delete the
wrong number and input the correct one. After
the correct channel No. is inputted, click [OK]
button to perform the function of “read
individual measuring value”.
For example, when “1” is inputted for the
channel No., the screen will display the live
value of the channel. See Figure 2-29.
Read Individual Measuring Value
Click [Read Individual Measuring Value] in the
function menu. The screen will be displayed as
shown in Figure 2-28.
Figure 2-29
Adaptation
Click [Adaptation] in the function menu. The
screen will be displayed as shown in Figure
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LAUNCH X-431 User’s Manual
2-30.
Figure 2-32
Figure 2-30
X-431 prompts user to input the channel No.
of data stream. Click the number button to
input the group No. If wrong number is
inputted, click [BACK SPACE] to delete the
After the correct channel No. is inputted, click
[OK] button to perform the function of
“adaptation”.
When the adaptation is successful, the screen
will be displayed as shown in Figure 2-33.
wrong number and input the correct one.
After the correct channel No. is inputted, click
[OK] button. X-431 prompts user to input the
service station code. See Figure 2-31.
Figure 2-31
After the code is inputted, click [OK] button.
X-431 prompts user to input the matched data.
See Figure 2-32.
Figure 2-33
Code Control Unit
Click [Code Control Unit] in the function menu.
The screen will be displayed as shown in
Figure 2-34.
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LAUNCH X-431 User’s Manual
control unit”.
If the control unit can be coded, the screen will
be displayed as shown in Figure 2-36.
Figure 2-34
X-431 prompts user to input the service station
code. Click the number button to input the
service station code. If wrong number is
inputted, click [BACK SPACE] to delete the
wrong number and input the correct one.
After the service station code is inputted, click
[OK] button. X-431 prompts user to input the
Figure 2-36
If the control unit can’t be coded, the screen
will be displayed as shown in Figure 2-37.
control unit code. See Figure 2-35.
Figure 2-35
Click the number button to input the control
unit code. If wrong number is inputted, click
[BACK SPACE] to delete the wrong number
and input the correct one.
After the correct control unit is inputted, click
[OK] button to perform the function of “code
Figure 2-37
End Output
Click [End Output] in the function menu. X-431
will return to the menu of tested systems.
Login Procedure
Note:
Perform this function first before
performing the functions like “code control
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LAUNCH X-431 User’s Manual
unit”, “adaptation”, etc.
Click [Login Procedure] in the function menu.
The screen will be displayed as shown in
Figure 2-38.
Figure 2-38
X-431 prompts user to input the service station
code. Click the number button to input the
service station code. If wrong number is
inputted, click [BACK SPACE] to delete the
wrong number and input the correct one.
After the service station code is inputted, click
[OK] button. X-431 prompts user to input the
password. See Figure 2-39.
password. If wrong number is inputted, click
[BACK SPACE] to delete the wrong number
and input the correct one.
After the login password is inputted, click [OK]
button. X-431 starts to log in. When the login
is successful, the screen will display the
information as shown in Figure 2-40.
Figure 2-40
Click [OK] button to return to the function
menu.
Figure 2-39
Click the number button to input the login
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LAUNCH X-431 User’s Manual
Update of Diagnostic
Software
The Internet update function of X-431 provides
user with a convenient and quick way to
download the software from our website for
update.
LAUNCH put the latest version of software to
www. X431. com and display the massage on
the news page. User can use computer to visit
the Website in any part of the world. After
registration, the latest version of software can
be downloaded. Then user can update his
X-431 by unzipping and installing the software.
Hardware Requirement
Necessary hardware:
1. A computer that can access the Internet.
2. A CF card reader/writer and a CF card that
need to be updated.
See Figure 3-01 for hardware connection.
User Registration
Log on www. X431. com. See Figure 3-02
Figure 3-02
Select the favorite language in the pull-down
menu at the lower right of the interface to
enter the homepage. See Figure 3-03.
Figure 3-03
Figure 3-01
1-CF card reader/writer 2-USB cable
3-USB Port 4-Computer 5-CF card
l Insert the CF card into the CF card
reader/writer.
l Connect one end of the USB cable② to
the port of the CF card reader/writer①,
and the other end to the USB port of the
computer.
Read Terms of Service
Click “Register” in the interface shown in
Figure 3-03 to open the window as shown in
Figure 3-04.
Figure 3-04
Note:
When the member purchases one or more
products after registration, he should log
onto the member area, and then click
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LAUNCH X-431 User’s Manual
“product control” to register the newly
purchased product. Refer to the section
“Member login”.
The terms of service is shown in the screen.
After reading and fully understand it, click “I
accept” button to enter the interface shown in
Figure 3-05.
Fill in Necessary Information
Fill in the serial No. of SMARTBOX,
registration No. and dealer code in the
interface shown in Figure 3-05.
Figure 3-05
The serial No. of SMARTBOX is marked on
the back of SMARTBOX. The registration No.
is in an envelope delivered with the product
(the number must be kept confidential). The
dealer code is attached on the last page of the
user’s manual.
After the information is filled, click “Next step”
to enter the next interface shown in Figure
3-06.
Note:
When a product is sold, the dealer will log
onto www. X431. com and enter the dealer
code in the “Dealer administration” area so
that the user can do effective registration
later. User should contact the dealer if
registration can not be done effectively.
invalid, the screen will display the message as
shown in Figure 3-07. Click “OK” button to
return to the previous interface to re-fill the
correct numbers.
Figure 3-07
After information are filled in the interface
shown in Figure 3-06, click “Next step” to enter
the next interface. See Figure 3-08.
Figure 3-08
Fill in the username and password. Then click
“OK” button to enter the interface shown in
Figure 3-09.
Figure 3-09
Up to now, the registration is completed. Click
“Login“ to perform further operation or click
“Close” to exit.
Note:
Only the registered user can download and
update the software.
Figure 3-06
If the filled serial No. or registration No. is
Member Login
The user becomes the registered member
after registration.
Member can log in the website by filling
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