V500 Pro Tested by Automotive Creators
Tested and recommended by automotive creators for accurate circuit testing
90-Degree Foldable Screen: Designed for Ultimate Flexibility
The V500 Pro is equipped with a unique 90-degree adjustable foldable screen that enhances both usability and efficiency. The flexible screen design allows easy angle adjustment to suit different working environments and operating preferences. Whether checking diagnostic data inside the vehicle, working outdoors, or positioning the display for better visibility during operation, the foldable screen ensures a more comfortable and versatile user experience.
Efficient Diagnosis of Open and Short Circuits
The VdiagTool V500 Pro automotive circuit tester is designed for efficient and accurate circuit diagnostics, with advanced capabilities to detect both open circuits and short circuits. By switching the V500 Pro kit to Mode II, users can activate the breaker finder to quickly locate circuit breaker points, open connections, broken wires, and current leaks through tone changes, while also tracing wires or cables without damaging the insulation. The tool provides real-time feedback to precisely identify circuit interruptions caused by faulty connections, component failures, or damaged insulation, helping users pinpoint issues without unnecessary disassembly. Compatible with a wide range of vehicles including cars, SUVs, minivans, trucks, tractors, boats, and RVs, the V500 Pro makes troubleshooting complex electrical problems faster, safer, and more reliable.
Oscilloscope Function: Visualize Circuit Diagnostics
The oscilloscope module is an advanced electronic testing function that graphically displays electrical signals, making data fluctuations more intuitive and easier to understand. The VdiagTool V500 Pro integrates a powerful oscilloscope feature to enhance circuit diagnostics by providing real-time visualization of dynamic signal changes. This allows users to quickly identify abnormalities such as waveform distortion, signal attenuation, voltage spikes, and pulse interference. Unlike static testing tools, the oscilloscope captures transient issues and supports frequency analysis, enabling precise debugging and optimization of circuits including oscillators, clock signals, and wireless communication systems.
Optimize Relay Functionality for Seamless Circuit Operations
The VdiagTool V500 Pro simplifies relay diagnostics, ensuring the reliability of these critical circuit components. The Relay Test allows users to check the on-off state, detect coil health issues like shorts or burns, measure delay and response times, and evaluate contact performance. This comprehensive testing helps identify wear, oxidation, or other faults, ensuring the relay operates as designed and preventing circuit instability.
Intelligent Circuit Probe for Precise Diagnoses
Unlike traditional circuit testers, the VdiagTool V500 Pro is an intelligent circuit probe tester capable of automatically detecting voltage, resistance, current, and other critical circuit parameters. Equipped with two powerful testing modes—oscilloscope and multimeter—the V500 Pro delivers comprehensive diagnostic capabilities in a single device. Its multi-function testing supports Voltage (VDC), Resistance (OHM), Diode (DIO), Current (AMP), Frequency (HZ), and Polarity detection, simplifying complex electrical diagnostics while significantly improving accuracy, convenience, and overall testing efficiency.
Component Activation&Injector Testing: Quick and Accurate Fuel System Checks
The VdiagTool V500 Pro streamlines automotive diagnostics with advanced Component Activation and Injector Testing features. Using a probe tip, it can directly control and test components such as relays, sensors, motors, fans, bulbs, radiator fans, starter motors, window regulators, and windshield wipers, allowing users to verify their functionality without disassembly. The Injector Test offers four precise modes to identify issues like blockages or solenoid failures by outputting different pulse signals and checking injector spray status, ensuring optimal fuel mixture and engine performance. These features provide real-time feedback for efficient fault detection, enabling accurate troubleshooting while saving the cost and time of visiting a garage.
Safeguard and Optimize Low-Voltage Circuits
The VdiagTool V500 Pro features a versatile 0–5V adjustable power supply, providing a stable low-voltage source for efficient circuit diagnostics. It allows users to simulate input voltage, test sensors, debug circuit behavior, and calibrate systems safely, making it ideal for low-power electronic devices and sensor systems. By delivering precise voltage control, this power supply helps quickly locate circuit faults, prevent component damage from misoperation, and simplify the process of circuit debugging and optimization. It seamlessly integrates with tools like oscilloscopes and multimeters, enabling comprehensive analysis and enhancing overall circuit performance.
Seamless Software Updates via Computer
The all-new VdiagTool V500 Pro now supports software upgrades via computer, offering users a flexible and efficient way to keep their device up to date. By connecting the V500 Pro to a PC, users can easily download and install the latest firmware and features, ensuring compatibility with new vehicle systems and diagnostic standards. This improvement simplifies the upgrade process, enabling faster updates and a smoother, more convenient user experience.
FAQs-V500 Pro
Yes! It is designed to diagnose a wide range of circuit issues, including short circuits, open circuits, and faulty components, ensuring comprehensive coverage for automotive electrical systems.
The Smart Test feature automatically detects voltage, resistance, and continuity, allowing for quick and accurate troubleshooting without manual adjustments.
Please make sure the button on the host device is set to Mode II. In addition, please clip the red and black clips on the host device to the circuit to be tested. If the Breaker Finder still has no sound, it may be that the device is broken Please shoot a video and send it to service@vdiagtool.com. After analysis, our support team will provide an appropriate solution.
VDIAGTOOL V500 Pro can provide power to electrical components like car lights, windshield wipers, radiator fans, relay, fuel injector and etc.
The Mode I(circuit tester) can test voltages between 9 and 30 volt DC and the Mode 2(breaker finder) can test voltages between 6 and 42 volt DC.
Here is the correct procedure for testing a short circuit:
- Turn on your V500 Pro and select Mode 1.
- Enter the Resistor menu.
- Connect the black wire to ground.
- Use the probe tip to touch the circuit wires:
Touching the negative wire should produce a sound — this is normal.
If touching the positive wire also produces a sound, it means there is a short in that section. - Move the probe tip along the wire, progressively shortening the testing section, until the sound disappears.
- The section from where the sound is present to where it stops indicates the location of the short.
We kindly ask you to try this method and, if you notice any issues during testing, please record a short video showing the testing process and share it with us. This will help us better understand the problem and provide you with accurate support.
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