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Megasquirt Pin 19 GND

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Old Aug 12, 2008 | 04:02 PM
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Pin 19 GND

Okay so the other day my pin 19 or Sensor earth was working now it is not how do trace this on the board? all other earths working and in good order ?
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Old Aug 13, 2008 | 10:46 AM
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Engine, Not Motor
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Connect your continuity tester to pin 19 and then another ground. Any continuity?

Now check the schematic and find out the next component that pin 19 connects to. Check for continuity between the two. Continue on like that until you find the failure.
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Old Aug 13, 2008 | 03:35 PM
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okay will do
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Old Aug 15, 2008 | 04:26 AM
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Where can i get the schematic right new problem now no VR signal but if i hook the ne- to a negative i get RPM but if i use pin 7 im not getting nothing ? the ECU works fine all sensors but not on pin 19 earth nor does the RPM on pin 7 2 but if i hook NE- to a ground on the main grounds it RPM works Help me Pots have been adjusted and were working fine previously but had a knock in the garage but nothing major
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Old Aug 15, 2008 | 07:47 AM
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http://megamanual.com has the schematics. If you're looking for Gerbers, they are the only part of the MS project that's not open source.

-Mike
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Old Aug 17, 2008 | 06:30 PM
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let me clarify my board has no earth on pin19 or 7 but the rest are fine i need help determining the issue can i use the CAS on any earth for NE- i think i have fixed pin 19

Also have changed my Bias resistor for IAT and it is not reading my iat sensor i have put the .inc in there relavant position withing mega tune and burned the correct .s19 tried this 3 times also doesnt read anything with normal msns_extra.s19 loaded either have check R34 R32 and the capacitors relavant to this sensor all have continuity what next ?
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