User's Manual

LAUNCH X-431Tool User’s Manual
ii
Table of Contents
Introduction.......................................................2
Features .........................................................2
Outline of X-431TOOL......................................3
Structure and explanations ...............................4
Ports and Indicators.........................................5
Hardware Configuration ...................................5
Printer Operation .............................................7
Mounting Paper...........................................7
Specifications..................................................8
First Use of X-431TOOL...................................9
Start-up ......................................................9
Taskbar ......................................................9
Input ........................................................10
Control of App ...........................................11
Help .........................................................11
Vehicle Diagnosis ............................................12
Conditions for Test.........................................12
Select Diagnostic Connector...........................12
Diagnostic Socket Location.............................12
Connection ...................................................12
Operation......................................................13
Entering Function Menu .............................13
Control module..........................................14
Resetting Maintain/oil Indicator .......................24
Setting Service Code .....................................25
OBDⅡ Diagnostic function ...........................25
Freeze Frame Data ...................................25
Readiness Test .........................................26
Diagnostic Socket Description.........................26
Update of diagnostic software .........................27
User Registration.......................................27
Software Update .......................................28
Flow Chart of X-431TOOL Update for New User
....................................................................33
PDA function....................................................34
System information........................................36
User Information .......................................36
About.......................................................36
Tool..............................................................36
PIM..............................................................39
Memo ......................................................39
Address....................................................41
Delete Address .........................................42
To Do .......................................................42
Schedule..................................................44
System.........................................................47
Control Panel............................................47
System Information ...................................50
Shut Down................................................51
FAQ .................................................................52
About Update via Internet...............................52
About Hardware ............................................53
About System Setting ....................................54
About Operation............................................55
Questions Related to Vehicle..........................56
About ECU.......................................................57
Composition and Working Principle of Computer-
Control System .............................................57
Sensor .....................................................57
ECU.........................................................58
Actuator ...................................................58
Self-diagnosis of Electronic Control System .....59
Working Principle of Self-diagnosis .............59
Readout of Fault Code in Automotive
Self-diagnosis System ...............................59
Basic Knowledge of ECU ...............................60
Composition of Vehicle ECU.......................60
Precautions Related to ECU.......................60
Appendix: X-431 TOOL Connectors and Sockets
Location..........................................................62