If the fuel pump is not coming on, either the fuel pump is not getting what it needs to run, a power or a ground, or the fuel pump itself is bad. The easiest place to see if the fuel pump circuit is getting power is at the intertia switch. That is commonly called the fuel reset switch. I think it's in the trunk, probably on the left side. Find that switch and use a 12 volt test light at the wires coming in and out. Have someone cycle the key and check for a 2 second pulse on. If you have no 2 second pulse, then the fuel pump circuit has no power, possibly a fuel pump relay could be bad, or the circuits in or out of the fule pump relay could be open. If you have power, then I would suspect a bad fuel pump. Drop the tank and check for a 2 secnd pulse at the pump as well as a ground. If you have those, then the FPump is bad.

The bottom line is, you are looking for a fuel pump or fuel pump circuit problem. Looking at the ignition system is barking up the wrong tree. Don't be so concerned that the vehicle has a computer and electronic ignition. That is making this more complicated than it really is. Concentrate on the fuel pump system. You either have a bad fuel pump, or the fuel pump is not getting power or a ground.

The FP system works like this. There is an electric fuel pump in the tank. It has a ground all the time. There is a fuel pump relay that supplies power through an intertia switch that has normally closed contacts that go open if you are in a wreck. The FP relay is simple. It is nothing more than a simple electric switch. It has four pins. It has power when the key is one at two pins all the time. One of these power pins supplies power to one side of an electromagnetic coil inside the relay. The other power pin will supply power to the fuel pump through a third pin when the contacts inside the relay are pulled closed by the electromagnetic coil. The PCM turns on the fuel pump by providing a 2 second ground to the fourth pin, which turns on the electromagnetic coil. So as soon as you turn the kley on, you should have the fuel pump come on for 2 seconds regardless of whether you also have an ignition system problem or not. So forget the coil, pickup coill, spark plugs, and anything else in the ignition system. We need to find out why you have no 2 second initial burst from the FP when you turn the key on. Start checking at the FP and work your way back to the PCM, and you will find your problem. It's either your FP, FP relay, ground, power, or a wiring problem.

I ran a jumper wire from battery to in line at the inertia switch for fuel pump The fuel pump worked I was told that the relay is in the ECM I replaced the ECM No help. Still Cranks but no start. I am not getting any power through the wire at the inertia switch with the key on. Should this have power at all times when the key is on

MOREThe fuel pump relay is located in a module called a IRCM.(Intregrated Relay Control Module)

All that thing is, is a switch box that houses the FP relay, PCM power relay, cooling fan relay, and AC clutch relay. It is a non-repairable black box which has about 20 wires aprox 4 inches by 4 inches square bolted to the top of the radiator support. The FP relay is NOT in the PCM. The FP relay coil receives 12 V+ through IRCM pin #12-yellow wire. The PCM grounds the coil in the FP relay through pin #18-blue/orange wire. This pulls the relay contacts closed, which completes a circuit between pin #12, yellow wire (which is the same FP power source as the relay coil) and pin #5- pink/black wire which is the feed to the inertia switch.

Take a 12 volt test light, go to the pink/black wire at the IRCM, have someone cycle the key and check for a 2 second pulse. If you have power, then there is an open between there and the inertia switch. If there is no power, probe the yellow wire for 12 V+ (actually there are two yellow wires, and a red/green wire all have power with the key on) While your at it, check the black/green wire, pin 15 for a ground.

If all is good, then probe the blue/orange wire for a 2 second ground (-) when the key is cycled. This is the GROUND signal that the PCM sends for 2 seconds when ythe key is cycled on. If you have a 2 second ground, then suspect you have a bad IRCM. If there is NO 2 second ground, then you either have an open circuit between there and the PCM, or something like a ground or power input missing to the PCM (some reason why the PCM isn't working), OR you have bought a bad PCM.

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