LAUNCH X-431 PAD III User Manual
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will regard the waveform in the drawing area as a periodic one). Users should draw as
large as wave in drawing zone so that the system can sample more points to reduce
tolerance.
In Fig. 9-2, tap “Hand-painted waveform simulation”, a screen similar to Fig. 9-8
will appear.
Fig. 9-8
Button descriptions:
[ ]: Save the current waveform.
[ ]: Loads the previously saved hand-drawn waveform.
[ ]: Clear all hand-drawn waveform.
[ ]: Click to call out the predefined waveform for reference.
[ ]: Continues the following operation.
9.3.3 Precautions on checking vehicle sensor
Hold the connector when plugging or unplugging it. Do not pull the cable for
unplugging.
At first check the fuse, fusible line and terminals. Then check others after
eliminating these faults.
When measuring voltage, the ignition switch should be on and the battery
voltage should not be less than 11V.
When measuring voltage, please shake the lead lightly in the vertical and
horizontal direction for more precision.
When checking whether there is open in the line, disconnect the CEU and the
relevant sensor at first, then measure the resistance among the ports of
sensor in order to determine whether open-circuit / contact fault exists or not.
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