Where's my fuel pump relay

[jg1581]

Hello everybody ive got a mk2 focus 2007 duratec he 1.8 engine and im getting the fault code P0231 and saying fuel pump primary circuit low conditions Key on, or engine running, then the PCM did not detect voltage on the FP Monitor circuit with the fuel pump commanded on Check the IFS switch and its relay......my question to everyone is which is fuel pump relay I know where the fuel cut of switch is  I've took pics of my fuse boxes please can someone help 

[iantt]

its k4 which is the one in second photo, just above the fuses with the white line horizontal.

[jg1581]

Thank you very much, been looking everywhere to find out its not even in my manual and there's loads of different answers where I've looked.