[JoeV2]

Check the connector while you're in there, if there's any blackening of the ground pin (usually the middle one) then replace the pigtail. Nissan pumps are notorious for sucking excess current when they start to die, which usually eats up the ground terminals.

All the wiring looks perfect besides some dust, i notice when i try to start the car the gas gauge moves up and down rapidly don’t know if this is a weird issue or normal with the P0463 code i was getting. Is there a chance low voltage could be causing this? My battery has been sitting for almost a week without a charge and is reading 11.4V

 

[VStar650CL]

That's a dead-dead voltage level, under 10%. Full charge is 12.6~12.8V. Time for a charge or a jump box.

 

[JoeV2]

Changed the fuel pump and still no start or spark no idea why

 

[VStar650CL]

Is the security lamp lit? For some reason Nissan ECM's are all programmed to kill ignition and not fuel when there's a NATS/NVIS issue. It will crank forever but no spark.

 

[JoeV2]

Is the security lamp lit? For some reason Nissan ECM's are all programmed to kill ignition and not fuel when there's a NATS/NVIS issue. It will crank forever but no spark.

Yes sir just noticed it and I’m waiting the 10 mins with the key on for it to reset hopefully that fixes the issue. I’m just hoping the tech and Nissan did the programming correctly

 

[VStar650CL]

They won't reset by themselves, you need to scan it ASAP to find out where the problem is. The older Nissan ECM's are infamous for committing hara kiri if you crank them too much with the lamp lit. Once the underlying cause is addressed, if you get a P1610 lockout code which won't clear, the ECM has killed itself.

 

[JoeV2]

They won't reset by themselves, you need to scan it ASAP to find out where the problem is. The older Nissan ECM's are infamous for committing hara kiri if you crank them too much with the lamp lit. Once the underlying cause is addressed, if you get a P1610 lockout code which won't clear, the ECM has killed itself.

I just scanned it again and I’m still getting the P0463 code but not P1610 code still have the security light on as well

 

[VStar650CL]

That's totally weird, to be getting a sec lamp but no sec codes in the ECM. You can be sure the sec lamp is causing the ECM to suppress spark, but I've frankly never seen that happen without either a dead ECM or codes in the ECM. Your ECM has to be alive if it's throwing the P0463, so this is a new one. You might need to get the BCM, IPDM, and cluster scanned to get a clue about what's going on.

 

[JoeV2]

That's totally weird, to be getting a sec lamp but no sec codes in the ECM. You can be sure the sec lamp is causing the ECM to suppress spark, but I've frankly never seen that happen without either a dead ECM or codes in the ECM. Your ECM has to be alive if it's throwing the P0463, so this is a new one. You might need to get the BCM, IPDM, and cluster scanned to get a clue about what's going on.

I really hope that’s not the case because to bring this back to Nissan will be a nightmare. Maybe the tech could not finish the car because of the code?

 

[VStar650CL]

No, there's no engine code which will trigger a sec lamp besides P16xx's, and no other engine code which will interfere with key or fob programming. This has to be something different.

 

[VStar650CL]

Well, I just thought of something, maybe your cluster doesn't like the new harness. If the cluster can't hear the ECM on CAN, it will turn the light on even though there's no actual security condition. So the light might be a false indication, although I'm not sure how you'd verify it without scanning the cluster to see if it's present and if it has any U codes.

 

[JoeV2]

Well, I just thought of something, maybe your cluster doesn't like the new harness. If the cluster can't hear the ECM on CAN, it will turn the light on even though there's no actual security condition. So the light might be a false indication, although I'm not sure how you'd verify it without scanning the cluster to see if it's present and if it has any U codes.

I’ll take a look, i removed the cluster not to long ago but i have the other brown / tan box that came with the harness and BCM. I tried to program my key fob and it would not program which makes me think the tech maybe did not program my keys at the dealership. I gave them a call and they said i will get a call from him about it “later”

 

[JoeV2]

Okay good news is i had someone come by to reprogram the keys and the car finally starts. Bad news is the fuel gauge is reading empty and it’s at a rough idle. I checked my fuses previously but maybe i missed something that’s throwing the code for the fuel pump? Maybe air in the fuel line?
I also for the life of me can’t get it into programming mode for the key fobs for the life of me

 

[VStar650CL]

Here's your wiring diagram for the level sensor:

The ECM has no way to check the pump itself, so there's no code for it. The only codes are for the level sensor and temp sensor (FTT). It's possible on some aftermarket pumps to get a wire wrapped around the sender and disable it. It's also possible the ground has been compromised, M57 is a gang ground but the circuit through B2:M12 only serves the fuel tank. The FTT generally won't throw a code until the ECM runs an EONV on the tank, and the car needs to run and then sit for that to occur, so not having an immediate FTT code doesn't mean anything. The circuit is pretty easy to check, it's a simple resistor balance setup with a fixed pull-up resistor in the cluster and the sensor providing a variable pull-down. So with the fuel pump connector loose, you should see 12V or 5V (depends on the cluster) on pin 2. If so, the data wire is good, if not then it's open. If that checks, short pins 2 and 5, the gauge should shoot to full. If so, the wires are all good and the problem is in the tank. If not, short pin 2 to ground with a jumper. If the gauge shoots to full then the ground wire is open, if not the problem is in the cluster.

 

[JoeV2]

How often does the ECU run a EONV on the tank? I was able to clear my code finally after getting the car started and after a little bit of driving and adding gas the rough idle stopped and gauge is reading a full tank

 

[VStar650CL]

It won't perform EONV on a full or empty tank, it has to be between 1/4 and 3/4. The tank temperature also has to fall by a certain amount (varies by car) after shutoff, which the ECM monitors' by periodically waking up on backup power to look at the FTT input. Once the conditions are met, the ECM turns itself on fully and actively measures the fall in pressure at the evap as the fuel continues to cool. If it sees enough pressure drop, it declares the tank and evap healthy. This usually all happens when you're asleep or at work, which is why loose cap codes usually pop up after a car has been parked for awhile. Incidentally, EONV is also the reason the ECM Relay exists, so the ECM can power itself up without human intervention.

Your car has been sitting awhile while you resolved all this wiring. With the fuel system drained back on top of that, you might have just had some slightly dry-and-varnished injectors, or maybe flooded cylinders from all that cranking with a bad key. Just guesses, but if it runs well now, I don't think I'd worry too much about it.

 

[JoeV2]

It won't perform EONV on a full or empty tank, it has to be between 1/4 and 3/4. The tank temperature also has to fall by a certain amount (varies by car) after shutoff, which the ECM monitors' by periodically waking up on backup power to look at the FTT input. Once the conditions are met, the ECM turns itself on fully and actively measures the fall in pressure at the evap as the fuel continues to cool. If it sees enough pressure drop, it declares the tank and evap healthy. This usually all happens when you're asleep or at work, which is why loose cap codes usually pop up after a car has been parked for awhile. Incidentally, EONV is also the reason the ECM Relay exists, so the ECM can power itself up without human intervention.

Your car has been sitting awhile while you resolved all this wiring. With the fuel system drained back on top of that, you might have just had some slightly dry-and-varnished injectors, or maybe flooded cylinders from all that cranking with a bad key. Just guesses, but if it runs well now, I don't think I'd worry too much about it.

Gotcha Your the man Thank you again! Haha I’m just not sure why i can’t re program my key fobs now

 

[VStar650CL]

That pretty much has to be a BCM issue, there's no separate RKEY unit on an '05 like some later models. On gen3's the antenna is integrated into the BCM. It may be that your new BCM is misconfigured, there's a config setting for "with" or "without" keyless entry.

 

[JoeV2]

That pretty much has to be a BCM issue, there's no separate RKEY unit on an '05 like some later models. On gen3's the antenna is integrated into the BCM. It may be that your new BCM is misconfigured, there's a config setting for "with" or "without" keyless entry.

Looks like I’m going back to Nissan then they really didn’t like me being there i guess. I tried to ensure the alarm would go off and all those steps to see if that was my cause for no programming mode so this must be the only other reason. Thank you so much! Second thought actually, is it possible for someone besides the dealer to enable the key fob setting?

 

[VStar650CL]

Some high-end programmers like the Snap-On Solus can do it, so you might try an outside shop with a really good scanner. I'm pretty sure the Autoenginuity with Nissan enhancement can do it if you want to invest in something for yourself. That's PC-based, but for $600 it's almost like having your own Consult. The locksmith tools I know about aren't equipped for it, but you could ask.