Yanhua Mini ACDP CAS Poor Contact by clearing test point

When reading CAS3/CAS4 data with Yanhua Mini ACDP by ICP, the pins detection shows unreliable contact. As shown in the following picture:

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Find the location of the bad contacted test points according to the help document in APP.

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Remove the interface board and use the Conformal coating cleaning probes to clean up the test points.

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When cleaning the test point, use the Conformal coating cleaning probes to align the test point and rotate 1-2 turns. Do not put force when cleaning test points in order to avoid damaging the test points.

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Reconnect the Yanhua ACDP interface board for pin detection and data reading

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