you asked 3 times, now.. why?why not add to 1 post, click comments,! and win.what is a description.????why not post problems first. put helper on same page??????if that happens we know what you need, and correct pages.my book has 7000 pages.why must I guess.?i guess you've never seen a service manual>?
https://suzukipitstopplus.com/Products/1177-2002-aerio-service-manual.aspxit's just one relayand the PCM runs it.!!if the pump has 0vdc cranked,we scan the PCM first.not play with relays.if the pump has 12vdc cranked, then the relay and PCMis happy. end relay hunt......it is that simple, but did you crank it first?takes 2 man test (2 woman)?the Suzuki laws of PUMP: world wide.:1/2 the SUZUKI PCM do not run the fuel pump until cranked,others run only for 3 second keyon and full time cranked.that is a RULE:can you run to rear of car crawl under in 3 seconds?i bet not.why not post the symptoms first. the ask for clearaccurate diagnostic help.no crank.?no startsparks dead (if dead, rule 2,ecu cuts fuel, by LAW)fuel pressure 0 cranked.engine boggingengine misfiringwhat?