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2012 Toyota prius v won't start
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Pilgrim
New User
Mar 21, 2015, 5:54 AM
Post #1 of 10
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2012 Toyota prius v won't start
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Left car idle for 3 months. Went to start it but it wouldn't start. Tried charging the battery and jump starting from another car but engine wouldn't turn over. After the charge the lights seem bright and some dashboard lights come on but the engine still will not turn over. Any suggestions?
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Discretesignals
Ultimate Carjunky
/ Moderator
Mar 21, 2015, 6:37 AM
Post #2 of 10
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Re: 2012 Toyota prius v won't start
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The auxiliary battery isn't used to start the engine. It just supplies power to certain systems. MG2 is used to start the engine and supplied power by the HV battery.
If you have no electrical experience dealing with high voltage circuits or the equipment and service information to service them, I suggest you have it towed to your dealer.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Mar 21, 2015, 6:38 AM)
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Tom Greenleaf
Ultimate Carjunky
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Mar 21, 2015, 6:39 AM
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Re: 2012 Toyota prius v won't start
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OK - 1 - Please avoid the term "turnover" with a car as it means double things to lay or tech people many times. A turnover is a pastry food!
Does the engine crank but not start or not crank? With either what noises if any heard?
If it cranks and doesn't start you need to follow these procedures at this site also to find what is missing,
http://autoforums.carjunky.com/...LL_NOT_START_P75655/
(edit in) I have ZERO experience with these and just saw post above that the ordinary battery isn't involved and agree it would need a dealer,
T
(This post was edited by Tom Greenleaf on Mar 21, 2015, 6:41 AM)
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Hammer Time
Ultimate Carjunky
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Mar 21, 2015, 7:03 AM
Post #4 of 10
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Re: 2012 Toyota prius v won't start
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I need to reiterate what DS mentioned here.
This car carries enough voltage and current to kill you instantly so I do not suggest you make any attempt at repairing this vehicle.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
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Mar 21, 2015, 7:06 AM
Post #5 of 10
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Re: 2012 Toyota prius v won't start
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Again and apologize: This car may be totally under warranty for this. If dealing with (sure seems so) different voltage set up for engine vs electric I again say dealer only for these,
T
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Pilgrim
New User
Mar 21, 2015, 7:59 AM
Post #6 of 10
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Re: 2012 Toyota prius v won't start
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Sorry if I caused any confusion. When I press the start button, a few dashboard lights come on but absolutely no noise from the gasoline engine and no "ready" light. This happened once before when the car was idle for several months but the last time (about a year ago) the car started when jumper cables were attached.
I will not go near the main power batteries but as I understand it the 12 volt battery is the power source for starting the engine.
I tried disconnecting the battery for several minutes and reattaching it but this didn't change anything.
Trying to save a tow to the dealer.
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Tom Greenleaf
Ultimate Carjunky
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Mar 21, 2015, 8:24 AM
Post #7 of 10
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Re: 2012 Toyota prius v won't start
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If you read what to do in its owner's manual for this if mentioned at all it probably says don't jump it at all? Can't know, and even if still working (not) wouldn't tool up for specialty work that could never pay off even the cost of training and tools for a different concept very integrated into the whole car.
Owner's manual may also say what to do if a car like this is left to be stored for X amount of time. Owner's and regular driver's need to know and quirks with their cars if a anti-theft issue by time or a dead battery you need to know if even a specific password type thing to allow it to run isn't just magically overridden by every even well trained tech,
T
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Pilgrim
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Mar 21, 2015, 1:17 PM
Post #9 of 10
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Re: 2012 Toyota prius v won't start
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Thanks for your help. I contacted Toyota service and they suggested jumping to start. There is a procedure in the owners manual that I followed but no luck.
Do you think I should get an OBD reading? I'll need to borrow a reader if it will help.
I don't have a voltage meter available so I will have to borrow one to get a reading.
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Discretesignals
Ultimate Carjunky
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Mar 21, 2015, 1:40 PM
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Re: 2012 Toyota prius v won't start
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You should make sure the auxiliary battery tests good and is fully charged before connecting a scanner to the vehicle. Doesn't make sense to troubleshoot various systems if the auxiliary battery is no good.
If the HV battery is too discharged, for whatever reason, the vehicle will never start and the ready light won't come on. Its not common, but possible. If that is the case, it has to go to the dealer.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Mar 21, 2015, 1:49 PM)
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