Ignition Scope; Sensor Simulator; Multimeter - Launch X-431 Throttle III User Manual

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automotive electronic equipment and wiring, and the oscilloscope sweep speed is far
greater than the signal frequency of such vehicles, usually 5-10 times of the measured
signal. The automotive oscilloscope not only can quickly acquire the circuit signal, but
also can slowly display the waveform to observe and analyze. It can also record and store
the tested signal waveform which can be recalled to observe for the fast signal, having
great convenience to failure analysis. Either high-speed signal (e.g.: Injection nozzle,
intermittent fault signal) or the slow-speed signal (e.g. the throttle position change and the
oxygen sensor signal) can be observed through automotive oscilloscope in an
appropriate waveform.
For more details, refer to the User Manual included with the Oscilloscope.

8.5 Ignition Scope

This tool provides an optional function of Ignition Analysis. It can test and analyze the
secondary signal for various engine ignition systems.
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. And the performance tests of engine often start from the
ignition system. Nowadays ignition system includes distributor and distributorless.
Distributorless includes independent ignition and simultaneous ignition.
The function uses the same hardware device as the Oscilloscope module.
For more details, refer to the User Manual included with the Oscilloscope.

8.6 Sensor Simulator

This tool provides an optional function of Sensor Simulator (needs to be purchased
separately). It is specially developed for diagnosing/simulating sensor faults.
The sensors are the signal input devices of the vehicle ECU. It converts vehicle operating
parameters such as vehicle speed, coolant temperature, engine speed, air flow, and
throttle opening into electrical signals and sends them to the vehicle ECU. Then, the
vehicle ECU adjusts the engine running status to maintain the engine in optimal
condition.
For more details, refer to the User Manual included with the Sensorbox.

8.7 Multimeter

This tool provides an optional function of Multimeter (needs to be purchased separately).
The function uses the same hardware device as the Sensor Simulator module.
Through this function, users can test voltage, resistance, and capacitance..
For more details, refer to the User Manual included with the Sensorbox.
X-431 Throttle III User Manual
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