LAUNCH X-431 PAD III User Manual
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9 Sensorbox (Toolbox)
9.1 Product Summary
X-431 PAD III provides an optional function of automotive sensor simulation test.
“Sensor” function is specially designed to diagnose and simulate vehicle sensor
faults quickly and conveniently, including “DC voltage simulation”, “Fixed
frequency simulation”, “Predefined waveform simulation” and “Hand-painted
waveform simulation”.
Vehicle sensors are the signal input devices for electrical control systems, which
can transform all kinds of running parameters, such as vehicle speed, coolant
temperature, engine RPM, air flow, throttle opening, etc., into the electronic
signal for the vehicle computer who can optimize the engine running status per
the above-mentioned parameters to keep the engine working in a prime status.
Meanwhile, it integrates the functions of automobile multimeter (For detailed
operations on multimeter, please refer to Chapter 10), which enables users to
perform voltage, resistance and frequency test. (The function utilizes the same
hardware device as the sensor module)
It features automotive sensor simulation test and multimeter test function.
Sensorbox
Parameters Scope
Precision ±5%
Voltage range -5V~+5V
Max output current 70mA
Predefined frequency range 0~150Hz
Square-wave signal pulse frequency 0~15KHz
Square-wave signal duty ratio 10%~90%
Multimeter
Parameters Scope
Precision ±5%
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