Car Won't Start, Cranks Fine

[eds92sc]

Well, I just came home from a week of vacation. Hopped into my SC400 and car cranked and cranked but no ignition. This has been a previous problem that went away for a couple of months. During that time, I had the battery replaced. Got a new Fuel FCU. Swapped EFI relays around. Everything was fine for those few months.

So I tapped on some stuff under the hood. Tapped on the igniter with my screwdriver, and voila, car started again. I also tugged on a few connectors and tapped on the crankshaft sensor I think. Is the crankshaft sensor right around the drivebelt?

Anyway, I think I found my problem. I checked Park Plano Lexus and they want 300 bucks for one of these igniters. Does anyone know if I can swap the upper and lower igniters around and solve my starting problem? Does the starting process only involve one of these igniters?

Any help will be appreciated. Also, besides disconnecting the battery cable, is these any other safety measure I should follow so I don't get zapped when I replace the igniter?

[UCF3]

Are you sure you don't have a Starter-Motor issue?

Also when you say "car cranked and cranked but no ignition..." are you referring to Clicks or is really attempting to start but no turn-over?

If it's just clicking, keep on turning it and you'll get a signal.

[eds92sc]

Are you sure you don't have a Starter-Motor issue?

Also when you say "car cranked and cranked but no ignition..." are you referring to Clicks or is really attempting to start but no turn-over?

If it's just clicking, keep on turning it and you'll get a signal.

I mean that the motor is turning but it won't fire up. Not the usual clicking you hear when your starter doesn't turn.