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Chapter 3 Automotive Test
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windows, mirrors, air conditioners, electronic seats, etc. LIN is single-wired, has high level and low level when
transmitting data, the high level is 12V, and the low level is 0V. The LIN bus generally has a sync header followed
by data. If there is only a signal from the sync header, it means that the device has not responded.
Use the ATO oscilloscope to test the LIN bus, the specific operation is shown in Figure 3-46:
Figure 3-46 Lin bus test
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