I have a 2005 Nissan Altima with a 2.5

Where is the ,”Driver Pulse" on the ECM board for my 2005 Nissan Altima

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I'm Trying to fix my Original ECM for my car with another ECM board I got at the wrecking yard that apparently isn't a ,"PERFECT MATCH". Is there anyone that can help me with a diagram of the onboard computer with the exact location of the negative pulse driver on my particular computer board

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