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https://www.picoauto.com/support/topic14491.html
P2 fuel pump control model PEM control waveforms
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abscate
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- Year and Model: 99: V70s S70s,05 V70
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Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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Tomaszabc
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- Year and Model: 2004 V70 2.4
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If the pump is getting about 12 V from TCM yellow wire and PWM is about 2.7 V to 0 like in my case, that means fuel pump ground is shortened. Some electricans do this for temporary fix when PEM failure happens.
My case:
https://imgur.com/a/vQdUSfW
My case:
https://imgur.com/a/vQdUSfW
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