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post #11 of 18 (permalink) Old 08-17-2014, 02:45 PM Thread Starter
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Ok sorry for not posting in so long. I was low on cash so the car had to sit until I could afford to tow it to the dealer. The problem has been fixed and it only cost me $220 plus $60 for the tow. The problem was mouse eaten wiring to the transaxle. They fixed the wires and the car is back to normal. Cost $100 to diagnose and 120 to fix the wires. Soooo glad it was simple. Thanks for all the input this is a cool site. If anymore problems arise I am sure I will be back. Thanks again, Rooster
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post #12 of 18 (permalink) Old 08-18-2014, 03:44 AM
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Great news! Glad to hear it was something simple and relatively inexpensive.

Happy trails!
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post #13 of 18 (permalink) Old 05-10-2015, 01:06 PM
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Default Not so easy

I have the same problem except the car was hit in the rear (broke bumper and slight dent) since then the ICE has never run. Moves on battery, no ICE
PS I have red triangle of death and error code C1259 But still able to get ready once in a while then spin wheels (for a min. or drive 30 feet.)
Slowly the main battery will die without the ICE so fixing that first is what I need to do. Thanks guys.
No dealer for about 150 miles so a trouble shooting guide would be great.
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post #14 of 18 (permalink) Old 06-12-2015, 04:50 PM
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i got a 2008 prius. came the hv battery dead,i get a rebuilt battery and the gas engine wont star because i notice the gas engine was frozen. i replace the engine with a use one 70 k miles. but still wont star and not shifting to D or R only P to N. codes i have c0200,c0205,c1259,c1310. i need help
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post #15 of 18 (permalink) Old 07-02-2015, 11:02 AM
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If anyone has photos of the wiring connectors for the Generator Position Sensor, and where it is located on the ICE, that would be a great help.

After using the diagnostic reader, (we found a really cool OBD that connects to Android or iPhone for $8 on Amazon) we got the following codes:

P0A4C Generator Position Sensor Range/Performance
P0A4D Generator Position Sensor Circuit Low

Since it did not end in A or B, I am not going to sweat the thought of tearing out the trans axl and try to replace the position sensor. This sounds more like a wiring harness issue. My assumption is the connector itself may be chewed up, or broken (hopefully just slightly loose)

First thing we did is change out the 12v battery as every Prius forum suggests is the root of every single Prius problem. Thankfully, AutoZone accepted the battery's return and refunded me the $261 that it would have cost for this mistake.

Since the car is 20 miles away from me right now, I cannot look for myself, and I am not sure where to look. I have a ton of errands to run first, so I am hoping someone will drop some pictures here of either a diagram, a photo of the ICE with parts circled, or a picture of the connector and maybe where I can find it.

If nobody has these pictures / diagrams, I will try to take some myself and post them. But I am not the expert. I am just an owner of a 2007 Prius who has a knack for figuring things out.

Thanks.

#P0A4C
#P0A4D

Last edited by MarOmega; 07-02-2015 at 11:06 AM.
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post #16 of 18 (permalink) Old 07-29-2015, 10:45 AM
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So first off, I want to thank everyone for their help jumping right on to post diagrams and pictures since my last comment on this thread.

I dug around and found for myself a diagram (not pictured here yet) of the wiring going into the generator.



First thing I had to do was remove the plastic cowling from under the hood.
20150728_185258.jpg

What I found were the connection points where the generator is plugged in. The orange shrouded high voltage wire and 6 wires going into a connector were where the problem was found.
20150728_1853291.jpg

2015-07-26 10.30.46.jpg
As you can see here, rodents of some sort had chewed through my wires. After looking it up, I found that it is a common occurrence, since green cars use bio plastics. Other plastics are inciting to rodents as well, so it's not just localized to hybrids. But bio plastics are extra tasty.
20150726_111015.jpg

20150726_111031.jpg


Before going forward, I disconnected the safety power plug on the Hybrid battery, located behind the back seat driver side. (orange plug) and disconnected the negative terminal to the 12 v battery.


20150728_190430.jpg

Ultimately, I attached 6'" jumpers, butt-spliced 14 ga wire, to the connector, and then crawled under and spliced them back to the harness. Matching colors is always a good idea to reduce errors.

20150728_191557.jpg

I straightened the copper and plastidipped the high voltage wire to keep moisture out and electricity in.




This cured the problem 100%, but 20 minutes later, I got a check engine light, followed by the ! light. The codes that pulled were P0011 and P0013 indicating a crank shaft wiring issue. I had to park the car. Now I have to find a diagram for those sensors to see if they have been chewed as well.
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post #17 of 18 (permalink) Old 07-29-2015, 10:57 PM
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Default Jump starts

2009 Toyota prius. Fine for two years then the last five years it has required jump start over 15 times. Dealer says I do not drive it enough. Lately the screen lights up with all the warning lights but still will not start. Hook up the battery charger and away it goes. Battery cannot be dead as motor stops (as it should) at stop signs etc. Taking it into dealer (250 KM aawy) in August. Anyone else have this problem. Thanks for any advice you may have. Feel it may be computer but not sure.
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post #18 of 18 (permalink) Old 02-21-2016, 02:58 PM
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Phoenix, my 2008 Prius, 200K miles, won't go into "ready" with all warning signs on. I took to the dealer and got POAA6 failure code. I replaced a used tranny from reputable yard that offers 3 months warranty ( part n labor). nothing changed and same problem remains. break sensor, 12v battery, hybrid coolant pump, dashboard wire connections, all being checked. I can use a scanner to erase codes and warning lights to obtain "ready" back and drive, but those warning lights soon reappear and once I shut down, car won't go into "ready" again. I can also trick hybrid system fuse to obtain "ready" back to drive. what is next step I should take.....?

Last edited by Francis Ying; 02-21-2016 at 03:01 PM.
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