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Have power, won't turn over Topic is solved

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joshdecker
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Have power, won't turn over

Post by joshdecker » Mon May 06, 2019 3:19 am

I am hoping you might be able to give me a hand here. I was out running around yesterday, made a short stop, and when I came back to the car to leave, it wouldn’t turn over.

I checked the batter, plenty of power (12.4volts), so i thought the starter. Stripped it out, had it tested, and was told it was bad. So...replaced the starter.

When I tried to start, it still won’t start. No clicking, no nothing. All the electronics in the car are on, but nothing from the starter.

I checked the fuse, that seems to be okay as well.

Any other suggestions?

Here are the stats on my car:
2002 V70xc (turbo)
200,000 miles
Automatic transmission
Had a warning since I got the car about alarm service.
Dash Board is inoperable most of the time
No indication of alarm system being tripped (red light in dash is off, locks all operate well, etc.



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abscate
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Re: Have power, won’t turn over

Post by abscate » Mon May 06, 2019 3:52 am

Put your battery on charger to make sure it’s topped up.

You need a helper to turn the key next step.

Look for 12 V on the small wire on the starter when the key goes to the pos III , Or cranking , position. That will tell you if the fault is in the ignition/ starter circuit or on the battery , cable, motor side.


Battery, cables, connections, and starter are possibles

Finally, the Park neutral switch On top of the transmission inhibits starting if it gets out of adjustment, many threads on that and replacement.


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joshdecker
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Re: Have power, won’t turn over

Post by joshdecker » Mon May 06, 2019 10:16 am

Ok, so I am working on identifying what may be happening.

I tried moving the shifter through the gears about 15 times, and then test, but that didn’t make a difference.

What I did notice is that when I tried to start the car and it wouldn’t start, there was a significant buzzing sound coming from under the hood after I turned the key to off...maybe the anti-theft system?

I couldn’t identify a solid source for the buzz, but seemed to be coming from the passenger side...



joshdecker
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Re: Have power, won’t turn over

Post by joshdecker » Mon May 06, 2019 10:17 am

Oh, and I did try some the things I’ve seen for resetting the anti theft system, but those haven’t worked. I also tried another key, thinking it may be the chip in the key, but that didn’t work either.



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Re: Have power, won’t turn over

Post by joshdecker » Mon May 06, 2019 10:25 am

Ok, I also connected the OBDII computer I have, and got the following code:
P0740 - torque converter clutch circuit open
P0700 - transmission control system



joshdecker
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Re: Have power, won’t turn over

Post by joshdecker » Mon May 06, 2019 6:33 pm

So, if it’s the Park Neutral sensor, would trying jumping the starter do anything?



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Re: Have power, won't turn over

Post by dj_v70 » Tue May 07, 2019 5:21 pm

If you jump the starter and it doesn’t crank, your issue is battery, cables, ground, starter or seized engine.



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Re: Have power, won't turn over

Post by tardcart » Tue May 07, 2019 7:43 pm

see if you can clear the codes and then start it in neutral instead of park. The computer may have locked out starting from a bad PNP input . If your reader wont do transmission interface try disconnecting the battery. I don't know anything about the parameters of the p2
so just a guess.



joshdecker
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Re: Have power, won't turn over

Post by joshdecker » Sat May 11, 2019 12:13 pm

OK, so I was just doing some testing. Went and got a replacement PNP this morning, and am testing before putting it on. Still not getting anything for turning over. Here's where I'm at:

Checked the Started Fuse - Ok
Checked the Starter Relay - Everything tested okay on that. Put it back on the car, and am hearing the "click" when I try to start the car, so it's engaging.
Checked power to the fuse box - getting power.
Checked power going to the Starter - I have a constant flow of electricity coming to the starter from the primary power cable matching the charge of the batter and the reading I am getting at the fuse box.

I will try to reset the codes, and see if maybe that helps. Here's to hoping. I have the PNP to replace, but don't want to go through getting it on if there's a different issue that is causing the issue.

Based on what I'm seeing with the multimeter, I am guessing it's not the ground or cables. I am also thinking that because I cam getting the relay to activate, that rules out the antitheft system, right? Could be I got a bad starter I guess.

Anything else I should be looking at?



joshdecker
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Re: Have power, won't turn over

Post by joshdecker » Sat May 11, 2019 1:06 pm

OK, so another slight problem. When I was taking the shifting cable off the intermediate lever, the bushing inside was toast. Is there any way to replace this without having to replace the entire shift cable?

Also is it possible to put the new PNP switch on and test to see if the car is starting before replacing this?

Thanks!

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