LAUNCH                           X-431TOP Userās Manual 
 
v 
Table of contents 
Safety Precautions...............................................1 
Precautions on Operation................................1 
Safety Precautions...........................................1 
Precautions on Operating Vehicle ECU...........1 
Introduction...........................................................2 
Outline of X-431TOP........................................3 
Ports and Indicators.........................................4 
Connectors and Diagnostic Cables..................5 
Hardware Configuration...................................9 
X-431TOP Operation..........................................12 
Starting...........................................................12 
Menu Descriptions.........................................12 
Buttons Descriptions..................................12 
Function Introduction..........................................13 
Vehicle Fault Diagnosis..................................13 
Connection Description..............................13 
Interface Operation....................................13 
Vehicle Oscilloscope......................................14 
Connection Description..............................14 
Oscilloscope Menu....................................15 
Ignition Analysis.............................................17 
Distributor Ignition Analysis........................17 
Independent Ignition..................................18 
Simultaneous Ignition................................19 
Ladder Pattern...........................................20 
Single-cylinder Pattern...............................20 
Raster Pattern............................................20 
Parade Pattern...........................................20 
Bar Graph..................................................21 
Overlap Pattern..........................................21 
Data Table..................................................21 
Display Waveform Adjustment...................21 
Vehicle sensor................................................22 
Connection Description..............................22 
Vehicle Multimeter......................................22 
Simulation Function....................................23 
Frequency Simulation................................23 
Predefined Waveform.................................24 
Hand-draw Waveform................................24 
Precautions on Checking Vehicle Sensor..25 
Vehicle autobase............................................25 
Update of diagnostic Software............................26 
User Registration............................................26 
Fill in Product Information..........................27 
Fill User Information...................................27 
Software Update.............................................28 
Member Login............................................28 
Software Download....................................28 
Software Purchase and Update......................30 
FAQ.....................................................................31 
About Update via Internet...............................31 
About Operation.............................................31 
Questions Related to Vehicle.........................32 
Maintenance...................................................32 
X-431TOP Technical parameter..........................33 
Usage Parameter...........................................33 
Oscilloscope Technical Parameter..................33 
Engine Analysis Parameter............................33 
Sensor Test Technical Parameter...................33 
Bluetooth Technical Parameter.......................34 
Safety Requirement............................................34