Won't start
Ok, process of elimination here, is TPMS controlled by (or passes through) the BCM? because it shows up on the IPC fine, all air pressure readings are showing up. I went through it and noticed there is no value for engine oil life. I always assumed it was just a mileage counter and was contained within the IPC. No communication with ECM is pretty much verified by no connection to the scanner, correct?
I'm thinking the fuses I'm looking for are the two 60a fuses labeled "abs mtr 1" and "abs mtr 2". That's all I see that references abs.
Edit: Well, no luck yet if those are the right fuses. No change. I aired up the tires though so one less light on makes me feel like i made progress.
I'm thinking the fuses I'm looking for are the two 60a fuses labeled "abs mtr 1" and "abs mtr 2". That's all I see that references abs.
Edit: Well, no luck yet if those are the right fuses. No change. I aired up the tires though so one less light on makes me feel like i made progress.
http://www.edmunds.com/car-care/oil-...g-systems.html
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Ok, you are going to have to verify there is power to and from the ECM and TCM. look at the diagrams and try to probe as many points of power as you can.
Have you tried to manipulate the harnesses with the key on and someone watching the dash for any sign of the gear indicator box.
Have you tried to manipulate the harnesses with the key on and someone watching the dash for any sign of the gear indicator box.
Dammit, i never checked that and was just thinking the other day how i verified ground but never power.
And after further review of your diagrams, it appears there is a discrepancy. The A/T circuit page that shows the entire harness going from tcm to trans says G-K should be closed in park, PRND3. But the IMS switch page shows that G-K does not close in park, only in RND3. This correlates to the chart I made when doing testing in that G-K did not close in park, but did in RND3 on both transmissions.
I have power at the trans and power at the tcm. I'm searching for the ecm pinouts.
And after further review of your diagrams, it appears there is a discrepancy. The A/T circuit page that shows the entire harness going from tcm to trans says G-K should be closed in park, PRND3. But the IMS switch page shows that G-K does not close in park, only in RND3. This correlates to the chart I made when doing testing in that G-K did not close in park, but did in RND3 on both transmissions.
I have power at the trans and power at the tcm. I'm searching for the ecm pinouts.
Last edited by spy2520; Mar 2, 2014 at 06:20 PM.
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Dammit, i never checked that and was just thinking the other day how i verified ground but never power.
And after further review of your diagrams, it appears there is a discrepancy. The A/T circuit page that shows the entire harness going from tcm to trans says G-K should be closed in park, PRND3. But the IMS switch page shows that G-K does not close in park, only in RND3. This correlates to the chart I made when doing testing in that G-K did not close in park, but did in RND3 on both transmissions.
And after further review of your diagrams, it appears there is a discrepancy. The A/T circuit page that shows the entire harness going from tcm to trans says G-K should be closed in park, PRND3. But the IMS switch page shows that G-K does not close in park, only in RND3. This correlates to the chart I made when doing testing in that G-K did not close in park, but did in RND3 on both transmissions.
Ok, from what i could find on the internet, pin 14 and pin 19 of C1 on the ecm is ignition voltage. Guess what? power on pin 19, nothing on 14.
Also, pin 43 on C2 should be a 12v reference. I also got nothing on that one.
Those are the only things i could find that looked to be power to the ecm, i hope i got it all. pin 14 and 19 are labeled "ignition voltage 1" and "ignition voltage 3" so that kinda confused me.
I think the circuits i need diagrams for are 439 and 2867.
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pin 19 circuit 439 1v PK wire goes to ECM IGN fuse 10a ING MAIN PCB RELAY
see diag power distrubution circuit pg 2&3 previously posted up
pin 14 is showing blank for c1,c2,c3
cannot find circuit 2867 and c2 43 is 1867 L-GN 12v reference for crankshaft position sensor
my diag here has definitely GK in park and yes I do see what you are saying post 19 is different than the transmission A/T circuit
will look into this
see diag power distrubution circuit pg 2&3 previously posted up
pin 14 is showing blank for c1,c2,c3
cannot find circuit 2867 and c2 43 is 1867 L-GN 12v reference for crankshaft position sensor
my diag here has definitely GK in park and yes I do see what you are saying post 19 is different than the transmission A/T circuit
will look into this
Last edited by Ill_Born_ss; Mar 2, 2014 at 08:26 PM.
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Verdad Gallardo Just realized those are probably circuits for a GTO, same pcm, most likely very different harness. I figured the pins should be the same though. Can you post pinouts for the ecm connectors?
edit: looked at your earlier posts, looks like 19, 20, 40 on C1, and 13 on C2. Damn its hard to follow all of those lines lol.
edit: looked at your earlier posts, looks like 19, 20, 40 on C1, and 13 on C2. Damn its hard to follow all of those lines lol.
Last edited by spy2520; Mar 2, 2014 at 10:08 PM.
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[QUOTE=spy2520;18058448]Just realized those are probably circuits for a GTO, same pcm, most likely very different harness. I figured the pins should be the same though. Can you post pinouts for the ecm connectors? YES to follow in 3 separate posts/ 1 for each connector.
edit: looked at your earlier posts, looks like 19, 20, 40 on C1, and 13 on C2. Damn its hard to follow all of those lines lol
Yes sometimes, you can print them and tape them together for a full picture, some of them anyway!
As for the IMS discrepancy here is the most recent 1 I can find and it shows as you tested. Adding that pins W,K will be closed during P&N ONLY.
edit: looked at your earlier posts, looks like 19, 20, 40 on C1, and 13 on C2. Damn its hard to follow all of those lines lol
Yes sometimes, you can print them and tape them together for a full picture, some of them anyway!
As for the IMS discrepancy here is the most recent 1 I can find and it shows as you tested. Adding that pins W,K will be closed during P&N ONLY.
Ok looks like just 19 and 20 on C1, and 13 on C2.
Did a quick check before work, got power on 19 and 20. Looks like pin 13 might be shorted to ground. 0v, and there is some continuity there between that pin and the block, and also the ground pin on the connector. Its not 0hms, but its enough to warrant a second look.
Did a quick check before work, got power on 19 and 20. Looks like pin 13 might be shorted to ground. 0v, and there is some continuity there between that pin and the block, and also the ground pin on the connector. Its not 0hms, but its enough to warrant a second look.
Last edited by spy2520; Mar 3, 2014 at 10:56 AM.
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good find, check the top of page 2 (engine performance circuit) and pin 40 brn (ECU) is involved there to. So you can ring them end to end and if the fuse did not blow for ETC/ECM then the relay may be worth looking at PWR/TRN and or removing it in the hunt.
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looks like but not sure! but if that wire is fubared then the closed relay may give you erroneous readings in 13. You should check any wires involved in the area just to be sure... and the relay
by the looks of it /them you can simply remove the fuse/relay associated with each and ring from there to ECU end
by the looks of it /them you can simply remove the fuse/relay associated with each and ring from there to ECU end
That makes sense. If power from pin 40 isn't energizing the relay, that relay is not providing power at pin 13 of C2. If that wire that goes to pin 13 was shorted to ground i'd imagine it would have blown a fuse.
.....but not if its not getting power in the first place.
.....but not if its not getting power in the first place.
