[s-cars] Fuel Pump Testing Procedure (for future reference)
David Forgie
forgied at shaw.ca
Sun Dec 14 10:55:45 PST 2008
JC: I know zero about 200 20vt's other than they came with 3B's. What I do know about the C4
UrS4/S6 J17 fuel pump relay is that the ECU controls it's function. If the ECU does not get the
appropriate signal from the cam position sensor, it does NOT fire the J17 (via pin 3 on the T55
connector). Therefore, your suggestion will not work on a C4 UrS4/S6. Hence the bypassing of
the J17 during the fuel pump test. Here is more detail on what the J17 "Fuel Pump" relay actually
controls on the C4 UrS4/S6:
http://forums.audiworld.com/s4s6/msgs/133907.phtml
Dave F.
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