{"product_id":"qdb-5a-automotive-ignition-coil-tester-avancerad-tandspole-och-aktuatoranalysator","title":"QDB-5A Automotive Ignition Coil Tester – Advanced Ignition Coil and Actuator Analyzer","description":"\u003cdiv class=\"product-summary\"\u003e\n\u003ch2\u003eQuick Overview – QDB‑5A Advanced Ignition Coil and Actuator Tool\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eQDB‑5A\u003c\/strong\u003e is a professional and versatile diagnostic tool for auto repair shops, mobile mechanics, and enthusiasts who want full control over their vehicle's ignition system, injectors, and various actuators. With support for operating standalone coils, coil-on-plug systems, injectors, solenoids, stepper motors, and even urea pumps, the QDB‑5A makes troubleshooting faster and safer. Its built-in oscilloscope function, digital multimeter, and adjustable PWM signal allow it to test and analyze everything from high-voltage pulses in ignition coils to microampere signals in Hall sensors.\u003c\/p\u003e\n\u003cp\u003eThe tool operates on 8–28 V and can deliver up to 2.5 A output current, making it suitable for both passenger cars and heavy trucks and diesel engines. By combining multiple test instruments in one unit, the QDB‑5A reduces the need to purchase separate multimeters, oscilloscopes, or special cables. It saves time, space, and money – and allows you to focus on what matters most: quickly and accurately diagnosing and repairing vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eQDB‑5A Automotive Ignition Coil Tester – Advanced Ignition Coil and Actuator Analyzer\u003c\/h2\u003e\n\u003cp\u003eModern car service is increasingly about electronics and control systems. Electronic ignition coils, injectors, solenoids, and stepper motors are at the core of the internal combustion engine and its peripherals. When any of these systems fail, it can lead to increased fuel consumption, misfires, engine lights, and, in the worst case, engine failure. To troubleshoot effectively, equipment that not only measures but can also operate and simulate various components is required. The \u003cstrong\u003eQDB‑5A\u003c\/strong\u003e is exactly such a complete solution – a combination of ignition coil tester, injector driver, actuator control, multimeter, and oscilloscope in a compact handheld format.\u003c\/p\u003e\n\u003cp\u003eWith the QDB‑5A, you can activate and test a variety of components without having to remove control units or drag the entire vehicle to an expensive diagnostic bench. You can connect an ignition coil, give it an adjustable pulse signal, and observe the spark in a test gap; you can drive an injector on a bench to see its flow and pulse width; you can simulate a Hall sensor and see how a control unit reacts to different frequencies and duty cycles; you can run a stepper motor back and forth and observe any inertia problems. Thanks to the built-in oscilloscope function, you can also visually analyze waveform and voltage levels, thus quickly detecting deviations such as voltage spikes or circuit interference.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Applications\u003c\/h2\u003e\n\u003cp\u003eThe QDB‑5A is designed to handle a range of different test scenarios, from simpler engine parts to more advanced control systems. Below are the most important functions and what they mean in practice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition coil operation and testing:\u003c\/strong\u003e The tool can generate pulses with adjustable frequency and pulse width to activate ignition coils of various types – standalone, coil-on-plug, module ignition coils, and integrated coil systems. You can easily verify that the coil produces a strong spark and rule out the ignition coil as a source of misfires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector testing under operation:\u003c\/strong\u003e The QDB‑5A drives 12 V gasoline injectors and 12\/24 V diesel injectors. You can control pulse width and frequency and observe the flow on a bench or on the vehicle. This is perfect for flow tests, cleaning procedures, and checking injector response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolenoid and valve testing:\u003c\/strong\u003e Solenoid valves for EGR, recirculation, valve control, and fuel metering are often controlled via PWM signals. With the QDB‑5A, you adjust the duty cycle (0–100%) and frequency (1–100 kHz) and see how the valve moves or how fuel flows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor control:\u003c\/strong\u003e The tool can drive various DC motors with a PWM signal. This includes urea pump motors (AdBlue), fan motors, and small DC motors in various car systems. You adjust voltage and duty cycle to observe the motor's behavior and check if it runs freely or has bearing problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepper motor operation:\u003c\/strong\u003e The QDB‑5A supports motors that are driven step by step, such as idle air control (IAC) motors, dashboard gauge motors, and headlight swivel motors. With the stepper motor function, you can run the motor in both directions and adjust the speed with a maximum current of 1.5 A. Perfect for testing motor response and checking for mechanical obstructions or electrical faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHall sensor simulation:\u003c\/strong\u003e An adjustable signal generator allows you to simulate duty cycle-based sensors, such as mass air flow sensors, air conditioning pressure sensors, or other pulse sensors. You can set the frequency, voltage, and duty cycle and see how the control system reacts. This is very useful for troubleshooting sensors without having to start the engine or risk an incorrect signal from the car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscilloscope function:\u003c\/strong\u003e The built-in oscilloscope allows you to view the voltage waveform in real time. You can connect test probes to various components and see pulse widths, signal spikes, and interference. The oscilloscope is a powerful tool for advanced troubleshooting and confirms that electrical signals are as they should be.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital multimeter:\u003c\/strong\u003e With the multimeter mode, you measure voltage (0–30 V) and resistance (0–1 MΩ) directly on the component. This is practical for checking wiring harnesses, voltage drop, ground connections, and much more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdvantages of the QDB‑5A\u003c\/h2\u003e\n\u003cp\u003eWhy choose the QDB‑5A over other devices? Here are some of the main reasons:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Replaces several separate units – ignition coil tester, injector driver, multimeter, oscillator, and signal generator. Everything is in one package, saving space and reducing investment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime efficiency:\u003c\/strong\u003e By being able to operate and test components without disassembling control units or entire engines, you save an enormous amount of time in the workshop. Diagnosis takes minutes instead of hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh accuracy and adjustability:\u003c\/strong\u003e The PWM signal can be adjusted from 1 Hz to 100 kHz and the duty cycle from 0% to 100%. This allows you to adapt the test to the component's specifications. The multimeter and oscilloscope provide accurate measurements for voltage and waveform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range:\u003c\/strong\u003e The QDB‑5A handles 8–28 V (specifications state up to 26 V depending on the variant), allowing you to use the device on both 12 V passenger cars and 24 V trucks and buses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased safety:\u003c\/strong\u003e By being able to test components outside the vehicle, you minimize the risk of short-circuiting or damaging electronics in the vehicle. The oscilloscope function reveals any dangerous voltages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick ROI:\u003c\/strong\u003e The tool quickly pays for itself through reduced diagnostic time, fewer incorrect parts, and more satisfied customers. Workshops can increase their revenue by offering advanced diagnostics on-site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandability:\u003c\/strong\u003e With the included test cables and adapters, you can connect to many types of connectors. In addition, you can purchase additional adapters if needed for specific vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eThe exact technical specifications provide an idea of the tool's capabilities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QDB‑5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply (power in):\u003c\/strong\u003e DC 8–28 V (other information indicates 8–26 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput current (power out):\u003c\/strong\u003e 0–2.5 A (continuous current for coils\/injectors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput adjustment (VADJ):\u003c\/strong\u003e 0–1.5 A – adjustable voltage\/current for more sensitive components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultimeter (DMM):\u003c\/strong\u003e Measures DC 0–30 V and resistance 0–1 MΩ. Real-time display on screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulse width modulation (PWM):\u003c\/strong\u003e Frequency range 1–100 kHz, duty cycle 0–100%. Provides maximum flexibility for all valves and motors controlled via PWM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepper motor:\u003c\/strong\u003e Max 1.5 A. Sufficient for most IAC motors and instrument stepper motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial function:\u003c\/strong\u003e Support for capacitance and diode testing, as well as current measurement and oscilloscope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManual – Step-by-step guide\u003c\/h2\u003e\n\u003cp\u003eTo get the most out of the QDB‑5A, here is a detailed user manual for each function. Follow these steps and advice for safe and correct use.\u003c\/p\u003e\n\u003ch3\u003eGeneral preparations\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety check:\u003c\/strong\u003e Ensure the vehicle is in a safe location, the engine is off, and the ignition is off. Prepare protective equipment such as safety glasses and gloves when working with high-voltage coils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower source:\u003c\/strong\u003e Connect the power cable with clamps to the vehicle's battery or to an external bench power supply. Pay close attention to polarity: red to positive and black to negative. Do not start the engine during the test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice setup:\u003c\/strong\u003e Turn on the QDB‑5A. Select language and interface if applicable. Navigate the menu to select the function you want to use (ignition coil, injector, PWM, stepper motor, etc.).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eIgnition coil test\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Connect the test lead to the coil. For standalone coils, connect directly to voltage and ground. For coil-on-plug, you may need an adapter or an extension to connect the test probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameter settings:\u003c\/strong\u003e Set pulse width (duty cycle), frequency, and voltage according to the coil manufacturer's data. Typically, 2–3 ms pulse width and a few hundred Hz are used for testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart the test:\u003c\/strong\u003e Activate the pulse signal. The coil should generate a spark that you can see in a spark gap or feel with a spark plug tester. If the spark is weak or absent, the coil may be defective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscilloscope analysis:\u003c\/strong\u003e Connect the oscilloscope probe to the primary and secondary circuits of the ignition coil to view voltage peaks and ringing. Deviant waveforms may indicate an internal short circuit or a faulty drive circuit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInjector test\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare injector and test bench:\u003c\/strong\u003e If testing outside the car, place the injector in a suitable container for fuel (use an injector test kit). Connect power and ground via the QDB‑5A's test cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect function:\u003c\/strong\u003e Navigate to \"Injector\" in the menu. Enter voltage (12 V or 24 V), frequency, and pulse width. Diesel injectors often require a longer pulse width to open than gasoline injectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart pulsing:\u003c\/strong\u003e Press start. The injector should click and spray fuel rhythmically. Observe the spray and ensure it has the correct spray pattern. If the spray is uneven or the injector clicks irregularly, it may be clogged or electrically damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust duty cycle:\u003c\/strong\u003e Increase or decrease the duty cycle to simulate different load cases. An injector should respond quickly to changes in pulse width without sticking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal check:\u003c\/strong\u003e After the test, turn off the pulsing. Be careful with fuel residue and ventilate the area.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSolenoid and fuel metering valves\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify the valve:\u003c\/strong\u003e Find out the voltage and frequency with which the valve is driven in the vehicle. Check the car's service information.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the correct cables:\u003c\/strong\u003e Connect the valve to the QDB‑5A with the test probes. Ensure the polarity is correct for solenoid valves with a diode (some valves are polarity-sensitive).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet PWM:\u003c\/strong\u003e Select PWM mode. Enter the correct frequency (often 250–500 Hz) and start with a duty cycle of 50%. The valve should open and close smoothly. Increase or decrease the duty cycle to simulate different flows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListen and feel:\u003c\/strong\u003e The valve should vibrate evenly without jolting or abnormal noise. If it sounds bad or draws too much current, it may be worn.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMotor control (DC motors)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify motor and requirements:\u003c\/strong\u003e Check nominal voltage and current. Urea pumps and small fans often require 12–24 V and a few amperes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Connect positive and negative via the QDB‑5A's output. Ensure polarity is correct for the desired direction of rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust PWM:\u003c\/strong\u003e In the \"Motor\" menu, enter a frequency (often 1–10 kHz) and duty cycle. Start low and gradually increase. The motor speed should follow the duty cycle linearly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve current and vibrations:\u003c\/strong\u003e If the motor draws more current than specified or vibrates unusually, it may need to be replaced. The oscilloscope can be used to observe voltage spikes when the motor brushes switch commutator segments.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eStepper motor\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify the stepper motor:\u003c\/strong\u003e Idle air control motors on older cars and instrument stepper motors often have 4 wires. Consult the car's manual for wiring order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection and setup:\u003c\/strong\u003e Connect the motor's four leads to the QDB‑5A's special stepper motor connector or via the included solder cables. Select \"Stepper\" in the menu and choose direction (forward\/reverse) and number of steps or rotation angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun the test:\u003c\/strong\u003e Press start. The motor should move smoothly. Check that the motor shaft does not bind. The maximum current is 1.5 A, so do not exceed the motor's specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalysis:\u003c\/strong\u003e If the motor skips steps or stops, check wiring and motor winding connections. A sluggish stepper motor may indicate a mechanical fault.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eHall signal simulation\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetermine sensor type:\u003c\/strong\u003e Some AC pressure sensors and mass air flow (MAF) sensors use duty cycle-based outputs. Find out the frequency range and expected voltage interval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet up the signal generator:\u003c\/strong\u003e Select Hall mode. Enter frequency (kHz), peak voltage, and duty cycle. The QDB‑5A can generate very fast pulses up to 100 kHz, which is more than enough for most sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect to the control unit:\u003c\/strong\u003e Disconnect the signal wire from the sensor and connect the QDB‑5A instead. Leave ground and reference voltage connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust and observe:\u003c\/strong\u003e Change the duty cycle and see how the ECU or instrument reacts. For example, you can simulate different pressure values. A properly functioning control unit should react smoothly and display appropriate values. If not, the problem may lie in the control unit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eOscilloscope and multimeter\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscilloscope connection:\u003c\/strong\u003e Connect the tip of the test probe to the signal point and the ground clip to the chassis. Select \"Scope\" in the menu. Set the vertical scale (voltage) and horizontal scale (time base) to suit what you want to see.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal display:\u003c\/strong\u003e The QDB‑5A displays the waveform directly. You can observe rectangular pulses from injectors, sinusoidal sensors, or spikes from the ignition coil. Use the freeze function to stop and zoom in on the signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultimeter mode:\u003c\/strong\u003e Select \"DMM\". Connect the probes to the point you want to measure. The screen shows voltage or resistance in real time. Use this to check voltage drop or circuit continuity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eWhat vehicles can I use the QDB‑5A on?\u003c\/h3\u003e\n\u003cp\u003eAll cars with 12 V electrical systems and most trucks and buses with 24 V. The tool's voltage input of up to 28 V provides sufficient margin for truck batteries. It is important to always set the correct test parameters based on the component and the vehicle.\u003c\/p\u003e\n\u003ch3\u003eCan the QDB‑5A measure current through a component?\u003c\/h3\u003e\n\u003cp\u003eYes. With an external current clamp or shunt resistor, you can view the current on the oscilloscope. The device itself shows the output current for the test, up to 2.5 A.\u003c\/p\u003e\n\u003ch3\u003eDo I need an external battery?\u003c\/h3\u003e\n\u003cp\u003eNo, the QDB‑5A is powered directly from the vehicle's battery or a laboratory power supply. For bench testing of injectors, you can use a power adapter. Ensure the current is sufficient for the desired test.\u003c\/p\u003e\n\u003ch3\u003eIs the oscilloscope as good as a separate oscilloscope?\u003c\/h3\u003e\n\u003cp\u003eThe QDB‑5A's built-in oscilloscope is primarily adapted for pulse signals related to vehicle electronics. With a bandwidth adapted for kHz and low-voltage signals, it provides a clear picture of pulse and voltage waveforms. For more advanced measurements (MHz), an external oscilloscope may be needed.\u003c\/p\u003e\n\u003ch3\u003eCan I test capacitors and diodes?\u003c\/h3\u003e\n\u003cp\u003eYes. The tool has a test mode for capacitance and diodes. You connect the component between the probes and read its properties on the screen.\u003c\/p\u003e\n\u003ch3\u003eIs it possible to update the software?\u003c\/h3\u003e\n\u003cp\u003eThe QDB‑5A usually has static software, but some manufacturers offer firmware updates. Contact your supplier for information on updates. Most functions are already built-in and the need for updates is small.\u003c\/p\u003e\n\u003ch3\u003eHow does the QDB‑5A differ from the QDB‑5 or QDB‑3A?\u003c\/h3\u003e\n\u003cp\u003eThe QDB‑5A is an improved version with greater current capacity, adjustable output voltage (VADJ), wider PWM range, and more test cables. The built-in oscilloscope is also improved. The QDB‑5 or QDB‑3A may lack some features, such as motor testing or Hall simulation.\u003c\/p\u003e\n\u003ch3\u003eCan I use the QDB‑5A when the engine is running?\u003c\/h3\u003e\n\u003cp\u003eNo, the components you are testing should be disconnected from the vehicle's systems. Running the engine while powering the components can damage both the tool and the vehicle. Always test on a bench or with the engine off.\u003c\/p\u003e\n\u003ch3\u003eDoes it come with all the cables needed?\u003c\/h3\u003e\n\u003cp\u003eYes, the package includes a power cable with clamps, several loose test leads, a connector plug for idle\/stepper motors, and a solder cable to connect various types of connectors. Additional cables may be needed for specific vehicles but can be purchased separately.\u003c\/p\u003e\n\u003ch2\u003eTips \u0026amp; advice\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAlways use the correct parameters. Incorrect frequency or voltage can damage a component.\u003c\/li\u003e\n\u003cli\u003eAllow the component to cool between tests to avoid heat damage.\u003c\/li\u003e\n\u003cli\u003eClean injectors and valves before testing them for more accurate results.\u003c\/li\u003e\n\u003cli\u003eNever connect the QDB‑5A to high-voltage lines such as spark plug caps without adapters.\u003c\/li\u003e\n\u003cli\u003eEnsure the battery you are using has good voltage and is fully charged. Voltage drop can lead to inaccurate measurements.\u003c\/li\u003e\n\u003cli\u003eStore the device in a dry place. Electronics are sensitive to moisture.\u003c\/li\u003e\n\u003cli\u003eAlways read the vehicle manufacturer's repair manuals. The QDB‑5A is a helpful tool, but some systems have specific procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cp\u003eThe delivery includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × QDB‑5A Actuator Drive Detector\u003c\/li\u003e\n\u003cli\u003e1 × Power cable with clamps\u003c\/li\u003e\n\u003cli\u003e4 × Simple test probes with banana connectors\u003c\/li\u003e\n\u003cli\u003e3 × Test leads for measurement and operation\u003c\/li\u003e\n\u003cli\u003e1 × Idle stepper motor plug\u003c\/li\u003e\n\u003cli\u003e1 × Stepper motor solder cable\u003c\/li\u003e\n\u003cli\u003e1 × User manual (English)\u003c\/li\u003e\n\u003cli\u003e1 × Storage box or bag depending on supplier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDisclaimer \u0026amp; important notes\u003c\/h2\u003e\u003cp\u003eThis product is intended for diagnostics and testing of electrical components and actuators in vehicles. Improper use can damage vehicles, tools, or yourself. Always follow the manufacturer's instructions and use protective equipment when performing high-voltage testing. The QDB-5A should only be used by trained workshop personnel or individuals with a thorough knowledge of vehicle electronics. We are not responsible for damages caused by improper handling.\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe QDB-5A\u003c\/strong\u003e is a powerful diagnostic tool that combines several functions in one package. By being able to power and test ignition coils, injectors, solenoids, DC motors, stepper motors, and simulate sensor signals, it offers a comprehensive solution for advanced troubleshooting. The adjustable PWM signal, multimeter, and oscilloscope mean you won't need other instruments to analyze signals and currents. Whether you work in a professional workshop or at home in your garage, the QDB-5A gives you the tools to diagnose with high precision and efficiency. Investing in the QDB-5A pays off through time savings, fewer incorrect replacements, and more satisfied customers. For those who want to take their vehicle diagnostics to the next level, the QDB-5A is an excellent choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Felkodsläsare","offers":[{"title":"Default Title","offer_id":54728501494028,"sku":"FEL-D0194","price":87.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/H1e7b9f8b087a4f908cd3fe4ecc0e9888g.jpg?v=1774027092","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/qdb-5a-automotive-ignition-coil-tester-avancerad-tandspole-och-aktuatoranalysator","provider":"Felkodsläsare","version":"1.0","type":"link"}