TD Signal

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TD Signal

02-20-2024, 09:47 AM

Frank Reiner Frank Reiner is offline

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Join Date: Feb 2011

Location: Modesto CA

Posts: 4,331

Quote:

Originally Posted by dieselbenz1

I scoped out the TD signal on a 87 300d. Sign wave 4 to 6 mV into the ECU and a 5 v square wave out for tach, ac etc. Never looked at an EZL.

db:

Much appreciated. That the TD signal is a square wave is not a surprise; it could have been 5V or 12V. What is a surprise is how low the input signal is; was that at idle speed?

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