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Vref circuit

seon deone
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5 years 8 months ago #43079 by seon deone

Vref circuit was created by seon deone

Hi everyone, can anyone help me figure out what would cause a high reading of 5.75 volts on the 5 vref circuit? It's a toyota ecu?
Before I pull my hair out.:pinch:

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Cheryl
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5 years 8 months ago #43084 by Cheryl

Replied by Cheryl on topic Vref circuit

I’m assuming it doesn’t run?? I’d cut the 5 volt ref wire where you can repair it at the pcm recheck. If it’s the same load test powers and grounds at pcm. I had a 2015 Kia Soul have 8 volts on the reference wire it was a bad ground at the pcm

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seon deone
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5 years 8 months ago #43088 by seon deone

Replied by seon deone on topic Vref circuit

Actually it does run but not well, thanks I will try that.

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