no it needs to be from a 2000-2002 l4
its missing hardware to flash an older l4pcm
i got mine from a 2002
Snowman wrote:no it needs to be from a 2000-2002 l4
its missing hardware to flash an older l4pcm
i got mine from a 2002
Ok thx can you post a pcm number
Ill look when I get home, at the junkyard i just look at the door at the build date
Snowman wrote:Ill look when I get home, at the junkyard i just look at the door at the build date
ok thx ya the junk yards here pull them right away and just use the numbers
hiwiredjuice wrote:Snowman wrote:Ill look when I get home, at the junkyard i just look at the door at the build date
ok thx ya the junk yards here pull them right away and just use the numbers
I'd think they should be able to reference what year/model/engine their parts are pulled from. Any PCM from a 00-02 2.4L or 00-01 2.2 will work.
Ok did more research on this and the 2002 cavalier 2.4l does use the 2200 2002 pcm12210553 but I cannot find a p11 tune for it in hp tuners
hiwiredjuice wrote:Ok did more research on this and the 2002 cavalier 2.4l does use the 2200 2002 pcm12210553 but I cannot find a p11 tune for it in hp tuners
ok i did get ahold of a 2000 cavalier 2.4l ld9 pcm from junk yard pulled it myself and for information the pcm number is 09356249
now the fun part trying to wire this into the 2005 eco harness hope this will work
does anyone know of any issues with any sensors being different from 2.4 ld9 to 2.2 eco? besides the ones that are not there which codes can be disabled
ok so here is where i stand with this project.
So far i have a 2000 cavalier 2.4 pcm l4 big 09356249 plus the pcm connectors
I have a 2005 sunfire ecotec and harness
After reading all the diagrams from the 2 setups the only other thing i see is the ignition module would need to be changed to a 1998 2.2l icm and coil packs. the only reason why i see we need to do this is because the crank sensor runs to the icm and not the pcm for the 2000 ld9.
I have check the crank sensor and they are both 7x reference sensors so they should work the same.
Im currently making a wiring diagram with all the connection needed to do a piggy back system so you can still swap to the p11 pcm this is for emissions.
I will be posting these diagrams once i have them done.
It's easier to just take one harness out and put the other in, there are only like 25 connectors
Snowman wrote:It's easier to just take one harness out and put the other in, there are only like 25 connectors
That is true but im keeping both connections so i can easily swap back to my p11 for emissions testing
Ok so this is what i have in wiring
1998 sunfire ignition module and coils
2005 ecotec 2005 sunfire harness 2000 cavalier ld9 pcm wiring
1
2
3 the PRE HO2 SENSOR SHOULD ONLY NEED TO BE GROUNDED FOR HO2 TO WORK
You're making this a much bigger project than what it should be, just swap harnesses and be done.
1. You're not going to run the eco ICM and coil packs off the ld9 pcm as there is a big difference in the eco ignition. On the eco, it sees a signal straight from the CPS, then makes a trigger signal for the ICM to utilize. The LD9 pcm doesn't work that way. You can repin everything, bit you still need to wire in a 2200 ICM and coils and get the CPS signal to that (which is what is done when using the ld9 harness on the eco). The new setup needs the CPS to go straight to ICM (which the eco ICM won't support, need 2200 ICM), which makes a trigger on its own, then sends a reference back to the pcm.
2. It doesn't take much time to swap harness, so why all the extra hassle. I think I swapped my harnesses in less than an hour earlier this week.
Exactly, it's just the engine harness too, not the body harness
EVILution (KGMs FrankenCav) wrote:You're making this a much bigger project than what it should be, just swap harnesses and be done.
1. You're not going to run the eco ICM and coil packs off the ld9 pcm as there is a big difference in the eco ignition. On the eco, it sees a signal straight from the CPS, then makes a trigger signal for the ICM to utilize. The LD9 pcm doesn't work that way. You can repin everything, bit you still need to wire in a 2200 ICM and coils and get the CPS signal to that (which is what is done when using the ld9 harness on the eco). The new setup needs the CPS to go straight to ICM (which the eco ICM won't support, need 2200 ICM), which makes a trigger on its own, then sends a reference back to the pcm.
2. It doesn't take much time to swap harness, so why all the extra hassle. I think I swapped my harnesses in less than an hour earlier this week.
doing some testing on the 2200 icm right now to see if the eco icm would work ill let you guys know later about it. And as for the harness im going to keep the eco harness and piggy back the ld9 pcm in it for emission testing so all i will have to do for that is swap the pcm and possible icm for testing in my area.
