– Direct ignition system: crankshaft sensor send out the ignition timing signal and cylinder identification signal for the specified cylinder send out the specified signal in specified time, each cylinder has its independent ignition coil. – Distributor ignition system: conventionally includes contact breaker (commonly known as the platinum) contact-controlled ignition system and magnet, infrared or hall components breakless ignition system. Distributorless includes independent ignition and simultaneous ignition. Nowadays ignition system includes distributor and distributorless. And the performance tests of engine often start from the ignition system. The ignition system is the system which has greatest impact on the performances of gasoline engine, as the statistical data shows that nearly half of the failures are caused by poor work of electrical system. Via the waveformĪnalysis can further detect the circuit fault on sensors, actuators, circuits, and electronic control units, etc.įor detailed operations and specifications, please refer to X431 GDS Scopebox user’s manual. The five parameters indexes are the amplitude (the maximum voltage of signal), the frequency (the cycle time of signal), the shape (the appearance of signal), the pulse width (the duty cycle or the time range of signal), and the array (the repetition characteristic of signal), which can be tested, displayed, saved by the automotive oscilloscope. We know that the electronic signal can be compared and judged via testing five parameters indexes. the throttle position change and the oxygen sensor signal) can be observed through automotive oscilloscope in an appropriate waveform. Either high-speed signal (e.g.: injection nozzle, intermittent fault signal) or the slow-speed signal (e.g. It can also record and store the tested signal waveform which can be playback to observe for the fast signal, having great convenience to failure analysis. The automotive oscilloscope not only can quickly capture the circuit signal, but also can slowly display the waveform to observe and analyze. For more information and a full run down of the technical specifications of this device please visit our main website.For some automotive electronic equipment, the signal change rate is very fast, whose cycle reached a thousandth, besides, many fault signals are intermittent, and unsteady, which makes the ordinary equipments, such as decoder, Multimeter etc., hard to capture such fault signal and affects the fault diagnosis and trouble and the oscilloscope sweep speed is far greater than the signal frequency of such vehicles, usually 5-10 times of the measured signal. The 7” TFT high definition full colour touch screen offers a large and bright user interface for ease of use, and the unit comes delivered with a Smart OBD II 16 diagnostics connector and cable, mains adapter, printer paper, stylus, user manual and a durable padded carry case.Ī complete diagnostic solution that will make vehicle diagnostics in all garages and workshops fast and efficient, the Launch X341 GDS is our most powerful car diagnostic tool yet. A new feature for the X431 GDS is the option to receive these updates direct via a wifi connection with one-touch of a button! It is delivered with a 32bit processor and an 8GB built-in hard disk, it has wifi and LAN connectivity and two USB ports to allow you to connect the device to a computer to archive diagnostic data and receive regular software updates delivered from Launch. With all of the key OE level functionality expected of the Launch diagnostic tools, the X431 GDS can read and clear fault codes, carry out advanced ECU tasks, allow you to view a live diagnostic data stream in graph or numerical format and print out diagnostic reports with the use of a built-in printer. The engineers at Launch have worked tirelessly using feedback from industry technicians to develop their most sophisticated and effective car diagnostic device yet. The newest addition to our superb range of car diagnostic tools, the Launch X431 GDS is expected to take the world of vehicle diagnostics by storm.
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