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Summary of Contents for Launch X431 GDS
- Page 1 V1.00.001 2012-05-07...
- Page 2 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.
- Page 3 Registered Trademark LAUNCH is a registered trademark of LAUNCH TECH. CO., LTD. (LAUNCH) in China and other countries. In other countries where any of the LAUNCH trademarks, service marks, domain names, logos and company names is not registered, LAUNCH claims other rights associated with unregistered trademarks, service marks, domain names, logos and company names.
- Page 4 LAUNCH X431 GDS Sensorbox 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.
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Page 5: Table Of Contents
LAUNCH X431 GDS Sensorbox Manual Contents 1 FOREWORD ................2 1.1 P ..............2 RODUCT SUMMARY 1.2 P ..............3 RODUCT FEATURES 1.3 P ..............3 RODUCT FUNCTION 1.4 T ............3 ECHNICAL PARAMETERS 2 STRUCTURE AND ACCESSORIES.......... 5 2.1 S ............ -
Page 6: Foreword
LAUNCH X431 GDS Sensorbox Manual 1 Foreword 1.1 Product summary X-431 GDS 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. -
Page 7: Product Features
LAUNCH X431 GDS Sensorbox Manual 1.2 Product features DC voltage simulation Constant frequency simulation Predefinition waveform simulation Hand-drawn waveform simulation 1.3 Product function Provides automotive sensor simulation test and multimeter test function. 1.4 Technical parameters Sensorbox Parameters Scope Precision ±5% Voltage range -12V～+12V... - Page 8 LAUNCH X431 GDS Sensorbox Manual Multimeter Parameters Scope Precision ±5% Voltage test Testing range DC-400V～+400V Input 10Mohm impedance Resistance test Testing range 0～40Mohm Frequency test Testing range 0～25KHz Input 1000Gohm impedance Input voltage 1～12V...
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Page 9: Structure And Accessories
LAUNCH X431 GDS Sensorbox 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 GDS sensorbox No. Name Description VΩHz Measuring terminal of multimeter Common terminal of multimeter... -
Page 10: Sensorbox Accessories
LAUNCH X431 GDS Sensorbox Manual interface as a separate USB device Power indicator Sensor power indicator, which will be steady red after the sensor module is powered up. Indicator Indicator (Green) for sending data to sending data to main unit. - Page 11 LAUNCH X431 GDS Sensorbox Manual Sensor probe Multimeter probe Electric control convertor cable1 Electric control convertor cable 2 Electric control convertor cable 3 Electric control convertor cable 4...
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Page 12: Sensor Simulation
LAUNCH X431 GDS Sensorbox Manual 3 Sensor Simulation 3.1 Connections 1. Firstly, power on the main unit (Connect one end of the power adaptor into the power interface of main unit, and the other end to the DC 12V power supply. Alternatively it can be also powered by cigarette lighter cable and double clip power cord);... -
Page 13: Dc Voltage Simulation
LAUNCH X431 GDS Sensorbox Manual water temperature sensor, to the microcomputer. If the engine works better and the fault vanishes, the fault is in the water temperature sensor. If the fault still occurs, input the signal to the corresponding terminals of ECU. Consequently, if the fault disappears, the fault lies in the connection between water temperature sensor and ECU, otherwise, the fault exists in ECU. - Page 14 LAUNCH X431 GDS Sensorbox Manual Fig.3-2 In Fig. 3-2, click the "Voltage" button on right side, a pull-down menu of "Voltage +" and "voltage -" pops up, which allows you to adjust the output voltage value. After selecting the desired voltage based on the working characteristics of sensor, click the "Start"...
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Page 15: Constant Frequency Simulation
LAUNCH X431 GDS Sensorbox Manual [Start]: confirms the current operation. [Return]: returns to the previous interface. 3.2.2 Constant frequency simulation This option enables you to simulate the square wave signal of pulse frequency of 0.1 ~ 15 kHz, amplitude range of -5V ~ +5 V and duty cycle 10% ~ 90%. -
Page 16: Predefinition Waveform Simulation
LAUNCH X431 GDS Sensorbox Manual After setting, click [Start] to perform the test. 3.2.3 Predefinition waveform simulation X-431 GDS 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 (after "sensor type"... - Page 17 LAUNCH X431 GDS Sensorbox Manual Fig.3-5 In Fig. 3-5, the setting items shown on the left stands for sensor types. ECT: Coolant Temperature Sensor EVP: EGR Valve Position Sensor HO2S: Heated Oxygen Sensor IAT: Intake Air Temperature Sensor MAF: Mass Air Flow Sensor...
- Page 18 LAUNCH X431 GDS Sensorbox Manual VSS: Vehicle Speed Sensor For example, click "ECT" – "Warm (NTC Thermistor)" in Fig. 3-5, the right screen will display the waveform of the sensor. See Fig. 3-6. Fig.3-6 In Fig. 3-6, click [OK] button, then the pre-defined waveform has...
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Page 19: Hand-Drawn Waveform
LAUNCH X431 GDS Sensorbox Manual Fig.3-7 In Fig. 3-7, click [Start] button to perform simulation test. Button descriptions: [System]: includes: shows desktop, views current version, and exits the program. [Help]: provides the operational guide for current interface. [Sel.Wv.]: selects waveforms under different working status. - Page 20 Users only draw the shape of waveform which needs to be simulated in left drawing area, and then configure some parameters on the right, namely high level, lower level, and period of waveform, then click [Start], X431 GDS will output a waveform as desired. Warning:...
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Page 21: Precautions On Checking Vehicle Sensor
LAUNCH X431 GDS Sensorbox Manual Fig.3-8 Button descriptions: [System]: includes: shows desktop, views current version, and exits the program. [Help]: provides the operational guide for current interface. [Setup]: includes functions of "Pencil", "Eraser", and "Empty". [Ref.]: clicks to call out the predefined waveform for reference. - Page 22 LAUNCH X431 GDS Sensorbox Manual others after eliminating these faults. When measuring voltage, the ignition switch should be on and the battery voltage should not be less than 11V. When measuring voltage, please shake the lead lightly in the vertical and horizontal direction for more precision.
- Page 23 LAUNCH X431 GDS Sensorbox Manual When checking the continuity of the terminals, contacts and leads, the method for measuring their resistances can be used Check the faults in the terminals of the CEU to sensors, relays, etc. There are two test probes in the testing wire. The black one is the common signal terminal (signal GND);...
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Page 24: Auto Multimeter
LAUNCH X431 GDS Sensorbox Manual 4 Auto Multimeter 4.1 Main Menu After connecting main unit and the sensorbox as mentioned above, power on the multimeter and enter the function menu interface, click "Multimeter" to display the test menu. See Fig. 4-1. -
Page 25: Test Sample
LAUNCH X431 GDS Sensorbox Manual Fig.4-2 Button descriptions: [System]: includes: shows desktop, view current version and exit the program. [Help]: views help information for current operations. [Set]: includes: "Zoom in", "Zoom out", "Up", "Down", "Cursor", and "clear". [Start]: begins or stops the testing process. - Page 26 LAUNCH X431 GDS Sensorbox Manual Switch ignition "OFF", unplug the wire connector of knock sensor, test the resistance between the wire terminal and the case of knock sensor with "Resistance test" function, it shall be ∞(disconnected), and if it is 0Ω(conductive), which means the knock sensor shall be replaced.
- Page 27 LAUNCH X431 GDS Sensorbox Manual Independent testing: Unplug the wire connector of coolant temperature sensor, then remove the sensor from the engine; place the sensor into a breaker with water and heat the water, then use the "Resistance measurement" to test the Resistance between two terminals of coolant temperature sensor at different water temperature.
- Page 28 The exclusive remedy for any automotive meter found to be defective is repair or replacement, and LAUNCH shall not be liable for any consequential or incidental damages. Final determination of defects shall be made by LAUNCH in accordance with procedures established by LAUNCH.
- Page 29 LAUNCH X431 GDS Sensorbox Manual Order Information Replaceable and optional parts can be ordered directly from your LAUNCH authorized tool supplier. Your order should include the following information: 1. Quantity 2. Part number 3. Item description Customer Service Department If you have any questions on the operation of the unit, please call:...
- Page 30 Statement: LAUNCH reserves the rights to make any change to product designs and specifications without notice. The actual object may differ a little from the descriptions in the manual in physical appearance, color and configuration. We have tried our best to make the descriptions and...
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Questions and answers
X,431-gds how to update
According to the provided context, it appears that Launch no longer supports updates for the X431 GDS. A user mentioned that they were informed by Matco Tools that updates are no longer available for their device. Therefore, updating the Launch X431 GDS may not be possible if official support has ended.
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