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Thread: No pump voltage
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Old 08-25-2012, 01:11 PM   #4
BC_ZX3
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Join Date: Jul 2007
Fan#: 48751
Location: Vancouver, BC, Canada
What I Drive: 2001 Red ZX3 Turbo

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Is the fuel pump driver module correctly grounded? The ECU regulates fuel pressure by varying the pump duty cycle via the fuel pump driver module. It in effect turns the pump ground on and off very rapidly.

Lots of good operational information/links and wiring schematics here:

http://www.focusfanatics.com/forum/showthread.php?t=295181
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