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  1. M

    Leaf 2012 won't start or charge [SOLVED]

    @mux Thank you so much for your help. Got busy with a bunch of Prius that came in. Will have to wait to get back to the Leaf. Mahalo, & Aloha
  2. M

    Leaf 2012 won't start or charge [SOLVED]

    OK so the blown fuse appears to be to the PTC heater. Not sure if that would cause the vehicle to not start, & set the P311C code. Seems to me I've seen several threads about Leaf's run with no heat, and frankly we almost never need heat here on Maui. I pulled the used DC to DC Converter back...
  3. M

    Leaf 2012 won't start or charge [SOLVED]

    I decided to pull apart the recently removed DC to DC Junction Box. After some poking around, I discovered a blown fuse. I am not sure if it is an AC compressor connector, the Brake system Power supply, but I will investigate that tomorrow. Perhaps with the blown fuse, the car VCM detects a...
  4. M

    Leaf 2012 won't start or charge [SOLVED]

    You got that right. It was pretty miserable. Finally got the cradle out, & the junction box too. I changed it, put everything back, connected the 12V and got exactly the same codes... Going through the DC to DC junction box (as the service manual calls it) which I had been calling the High...
  5. M

    Leaf 2012 won't start or charge [SOLVED]

    I tested everything in the Battery Junction Box. What the manual calls the High Voltage Junction box is the large metal case behing the inverter on a '11, & '12 basically up against the fire wall. It is between the battery case, and the inverter. It has HV contactors that connect the battery to...
  6. M

    Leaf 2012 won't start or charge [SOLVED]

    Well, I tested functionality of the HV contactors inside the battery case by activating them manually from the connector. With the negative contactor closed & the positive contactor closed I measured 380.1V at the HV cable. With the negative contactor closed & the precharge relay closed I again...
  7. M

    Leaf 2012 won't start or charge [SOLVED]

    Wow @mux , that is a lot of really useful info. Thank you. First off, I'm in Maui so cold here has been down in the 50*s Fahrenheit at night; and the 12V battery was replaced by the Nissan dealership just before we bought the non-working car in 8/18. I have charged it regularly low these many...
  8. M

    Leaf 2012 won't start or charge [SOLVED]

    So I have replaced the inverter with a used unit, & found the HV contactors were both welded shut. I replaced the contactor assembly, tested the new contactors, measured the precharge resistor, (30.9 ohms) and tested the precharge relay. With the battery pack back in the car I still cannot get...
  9. M

    2011 bad inverter or motor?

    So I have replaced the inverter with a used unit, & found the HV contactors were both welded shut. I replaced the contactor assembly, tested the new contactors, measured the precharge resistor, (30.9 ohms) and tested the precharge relay. With the battery pack back in the car I still cannot get...
  10. M

    Leaf 2012 won't start or charge [SOLVED]

    I have been posting in another thread that I found about the car we got ( https://www.mynissanleaf.com/viewtopic.php?f=30&t=26343 ), but it seems like this thread may be more on point. My friend who has several 2013+ Leafs bought this Leaf here on Maui. The battery was replaced by Nissan in...
  11. M

    Leaf Spy and Leaf Spy Pro

    Aloha from Maui, Thank you so much for developing Leaf Spy. I have Leaf Spy Pro v1.7.38, and I am working on a 2011 Leaf. Please excuse me if this is not the correct place to post this, I am a newbie on this forum. It has a battery that was replaced just before the warranty expired. The...
  12. M

    2011 bad inverter or motor?

    @alozzy Thank you, no worries. I am steadily reading through the 2011 manual between charge/ discharge cycles on a Prius battery Pack. Still not sure where to start, but having the detailed schematics is huge. Wondering how many of these codes will reset with Leaf Spy or if some of them are...
  13. M

    2011 bad inverter or motor?

    Looking for advice on testing this 2011 Leaf, which according to the dealer has a bad inverter. There are a lot of trouble codes. These are the primary ones, others are brake and HVAC related which I am assuming are set because those systems cannot power on at this point. P0AA0 00C4 EV/HEV...
  14. M

    2011 bad inverter or motor?

    Ebay can be awesome, For about $700 including shipping, I found the inverter. The HV Contactors and pre-charge circuit are all in a unit & it was only $65 plus some shipping. Not sure the order in which I should begin changing parts, as it seems to me that none of the HV componenets will work if...
  15. M

    2011 bad inverter or motor?

    We bought the car with the intent to put the whole thing back on the road. It is very straight, clean inside and out, and a nice red color.
  16. M

    2011 bad inverter or motor?

    @alozzy Thank you for sending me the 2013 EV section of the Factory Service Manual. I believe the functionality is all the same, although I know the 2013 has a different physical layout than the the 2011; with the charger/ junction box up on top, inverter in the middle, and motor down...
  17. M

    2011 bad inverter or motor?

    Also the dealer replaced the 12V battery as part of the diagnostics protocol.
  18. M

    2011 bad inverter or motor?

    So My friend who has several 13+ Leafs bought this leaf here on Maui. I have Leaf Spy Pro. The battery was replaced by Nissan in 2016. It shows a SOC of 67% and a SOH of 92.18%. There are a lot of trouble codes. I think these are the most important ones here. P0AA0 00C4 EV/HEV QNRH Hybrid...
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