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Launch Sensorbox User Manual

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LAUNCH
X-431 PAD Sensorbox User's Manual
All rights reserved! No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means of electronic,
mechanical, photocopying and recording or otherwise, without the prior written
permission of LAUNCH.
This manual is designed only for the use of this unit. LAUNCH is not responsible
for any use of this manual on the other units.
The manual and all the samples herein can be changed without prior notice.
Neither LAUNCH nor its affiliates shall be liable to the purchaser of this unit or
third parties for damages, losses, costs or expenses incurred by purchaser or
third parties as a result of: accident, misuse, or abuse of this unit, or
unauthorized modifications, repairs, or alterations to this unit, or failure to strictly
comply with LAUNCH operating and maintenance instructions.
LAUNCH shall not be liable for any damages or problems arising from the use of
any options or any consumable products other than those designated as
Original LAUNCH Products or LAUNCH Approved Products
Notice: 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.
This device is only for professional technicians and maintenance personnel.
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Summary of Contents for Launch Sensorbox

  • Page 1 LAUNCH. This manual is designed only for the use of this unit. LAUNCH is not responsible for any use of this manual on the other units. The manual and all the samples herein can be changed without prior notice.
  • Page 2 LAUNCH X-431 PAD Sensorbox User’s Manual Precaution on Operation The appliance is a sophisticated electronic device, never have it clashed when in use. Main unit screen may flash at the moment of engine ignition, which is normal. You may unplug the main unit if the program can not be actuated or confused screen occurs.

  • Page 3: Table Of Contents

    LAUNCH X-431 PAD Sensorbox User’s Manual Table of Contents 1 FOREWORD .................1 1.1 P ..............1 RODUCT SUMMARY 1.2 P ..............1 RODUCT FEATURES 1.3 P ..............1 RODUCT FUNCTION 1.4 T ............1 ECHNICAL PARAMETERS 2 STRUCTURE AND ACCESSORIES ..........3 2.1 S ............3 ENSORBOX STRUCTURE 2.2 S...

  • Page 4: Foreword

    1.1 Product summary X-431 PAD is a new generation of sophisticated automotive diagnostic product with colorful screen and powerful functions developed by LAUNCH. It provides an optional function of automotive sensor simulation test. “Sensor simulation test” function is specially designed to diagnose and simulate vehicle sensor faults quickly and conveniently, including "DC voltage simulation", "Fixed...
  • Page 5 LAUNCH X-431 PAD Sensorbox User’s Manual Max output current 70mA Predefined frequency range 0～150Hz Square-wave signal pulse frequency 0～15KHz Square-wave signal duty ratio 10％～90％ Multimeter Parameters Scope Precision ±5% Voltage test Testing range DC-400V～+400V Input impedance 10Mohm Resistance test Testing range 0～40Mohm...

  • Page 6: Structure And Accessories

    X-431 PAD Sensorbox User’s Manual 2 Structure and Accessories 2.1 Sensorbox structure Fig. 2-1 Structural diagram of Sensorbox Table 2-1 shows the ports and indicators for X-431 PAD sensorbox Name Description Data receiving Indicator (green) for receiving data from main unit.

  • Page 7: Sensorbox Accessories

    VΩHz Testing terminal of multimeter 2.2 Sensorbox accessories X-431 PAD sensorbox accessories include sensor test cable, probe etc. See Table 2-2. As the product configuration can be different, the accessories included with the product may differ from the accessories listed on this manual. Please see the packing list attached to the product for the detailed accessories.
  • Page 8 LAUNCH X-431 PAD Sensorbox User’s Manual Electronic control converting cable 3 Electronic control converting cable 4...

  • Page 9: Sensor Simulation

    Plug one end of the sensor test cable (black) into the "COM" interface of the sensorbox, then connect the other end to the test probe or electronic control converting cable; Connect one end of the sensor test cable (red) into the "VΩHz" interface of the sensorbox, and then connect the other end to the test probe or electronic control converting cable.

  • Page 10: Dc Voltage Simulation

    LAUNCH X-431 PAD Sensorbox User’s Manual Fig.3-1 3.2.1 DC voltage simulation In Fig. 3-1, click [DC voltage simulation], the interface is shown as Fig. 3-2: Fig.3-2 In Fig. 3-2, click the "Settings" button, then click "+" or "-" to adjust the output...

  • Page 11: Fixed Frequency Simulation

    LAUNCH X-431 PAD Sensorbox User’s Manual voltage value. Alternatively, user can also click edit box, then use the on-screen keyboard to input the desired value directly. After selecting or inputting the desired voltage based on the working characteristics of sensor, click the "Start"...

  • Page 12: Predefined Waveform Simulation

    LAUNCH X-431 PAD Sensorbox User’s Manual [Return]: returns to the previous interface. After setting, click [Start] to perform the test. 3.2.3 Predefined waveform simulation X-431 PAD provides some common sensor waveforms which have been predefined to facilitate users to simulate sensor signals. As long as you call out the predefined waveform, then click "Start"...
  • Page 13 LAUNCH X-431 PAD Sensorbox User’s Manual Fig.3-5 In Fig. 3-5, the upper left setting column stands for sensor types and the lower part indicates waveform. Click to turn to next / previous page. The sensor types are explained as below:...
  • Page 14 LAUNCH X-431 PAD Sensorbox User’s Manual Fig.3-6 In Fig. 3-6, click [OK] button, then the pre-defined waveform has been set. See Fig. 3-7. Fig.3-7 In Fig. 3-7, click [Start] button to perform simulation test.

  • Page 15: Hand-Painted Waveform Simulation

    LAUNCH X-431 PAD Sensorbox User’s Manual 3.2.4 Hand-painted waveform simulation This option offers great convenience for users to simulate special waveform or fault wave. Users only draw the shape of waveform which needs to be simulated in left drawing area, and then configure some parameters on the bottom, namely high level, low level, and cycle of waveform, then click [Start], X-431 PAD will output a waveform as desired.

  • Page 16: Precautions On Checking Vehicle Sensor

    LAUNCH X-431 PAD Sensorbox User’s Manual [Return]: returns to the previous interface. 3.2.5 Precautions on checking vehicle sensor Hold the connector when plugging or unplugging it. Do not pull the cable for unplugging. At first check the fuse, fusible line and terminals. Then check others after eliminating these faults.

  • Page 17: Auto Multimeter

    4 Auto Multimeter 4.1 Main Menu Make sure X-431 PAD main unit and the sensorbox are properly connected (Refer to Chapter 3.1 Connections for details), power on X-431 PAD main unit and enter the function menu interface, click "Multimeter" to display the test menu.

  • Page 18: Test Sample

    LAUNCH X-431 PAD Sensorbox User’s Manual Fig.4-2 Button descriptions: [Clear]: erases the currently displayed waveform and display it starting from the left. [Zoom In]: reduces the range and zoom in the waveform. [Zoom Out]: increase the range and zoom out the waveform.
  • Page 19 LAUNCH X-431 PAD Sensorbox User’s Manual replaced. (2) Checking for the output signal of knock sensor Unplug the wire connector of knock sensor, check voltage between knock sensor connector terminal and ground wire of knock, it should be output pulse voltage;...

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