Nissan Leaf Gen2 Board - Revision history

EdAtki: Add link to connector part numbers page

2025-09-17T16:54:57Z

Add link to connector part numbers page

← Older revision		Revision as of 16:54, 17 September 2025
Line 61:		Line 61:

	The resolver and CAN bus signals remain on the same pins as used by Nissan. If other signals are required then they must be added to the female connector.		The resolver and CAN bus signals remain on the same pins as used by Nissan. If other signals are required then they must be added to the female connector.

			Part numbers for this connector can be found here: [[Connector Part Numbers#Nissan leaf gen2 inverter\|Connector Part Numbers]]

	The Toyota hybrid series car inverters (Gen 3 Prius confirmed) use the same connector.		The Toyota hybrid series car inverters (Gen 3 Prius confirmed) use the same connector.



	part number for matting connector g926047010 (undertested on the leaf but seems to fit Prius gen 3 https://openinverter.org/forum/viewtopic.php?p=12668#p12668)		part number for matting connector g926047010 (undertested on the leaf but seems to fit Prius gen 3 https://openinverter.org/forum/viewtopic.php?p=12668#p12668)



	A 3D printable plug for the 35pin ampseal connector may work in this instance.(originally designed for the Prius gen 3 inverter)		A 3D printable plug for the 35pin ampseal connector may work in this instance.(originally designed for the Prius gen 3 inverter)

Bratitude: oem conector

2022-10-05T14:17:15Z

oem conector

← Older revision		Revision as of 14:17, 5 October 2022
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	The Toyota hybrid series car inverters (Gen 3 Prius confirmed) use the same connector.		The Toyota hybrid series car inverters (Gen 3 Prius confirmed) use the same connector.


			part number for matting connector g926047010 (undertested on the leaf but seems to fit Prius gen 3 https://openinverter.org/forum/viewtopic.php?p=12668#p12668)



	A 3D printable plug for the 35pin ampseal connector may work in this instance.(originally designed for the Prius gen 3 inverter)		A 3D printable plug for the 35pin ampseal connector may work in this instance.(originally designed for the Prius gen 3 inverter)

Bratitude at 22:06, 8 July 2022

2022-07-08T22:06:12Z

← Older revision		Revision as of 22:06, 8 July 2022
Line 107:		Line 107:
	throttle pedal whipper lead 1 -> THROTTLE1 (pin 29)		throttle pedal whipper lead 1 -> THROTTLE1 (pin 29)

	~~break~~ pedal whipper lead -> THROTTLE2 (pin 28)		brake pedal whipper lead -> THROTTLE2 (pin 28)

	positive leads -> 5v (pin26)		positive leads -> 5v (pin26)

Crasbe: Added categories to the page to allow for better navigation

2022-06-29T11:24:44Z

Added categories to the page to allow for better navigation

← Older revision		Revision as of 11:24, 29 June 2022
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	- the rear plane is at 5V, so a little plastic disc or similar needs to be added to avoid charging the inverter casing at 5V		- the rear plane is at 5V, so a little plastic disc or similar needs to be added to avoid charging the inverter casing at 5V

			[[Category:OpenInverter]] [[Category:Nissan]] [[Category:Inverter]]

Bratitude: /* Wiring */

2022-01-10T20:18:03Z

Wiring

@@ Line 80: / Line 80: @@
 the adapter board in the kit is set up so the original oem wiring harness works with the open inverter board.
-The following connections are populated on the OEM wire harness:
+=== Contactors: ===
 * resolver
 * motor temp

Janosch: /* Self-Printing */

2021-11-19T10:13:22Z

Self-Printing

← Older revision		Revision as of 10:13, 19 November 2021
Line 163:		Line 163:
	The Leaf adapter board can be self-printed from gerber files (e.g. with JLCPCB), with two caveats for the SMD version:		The Leaf adapter board can be self-printed from gerber files (e.g. with JLCPCB), with two caveats for the SMD version:

	- when populating the board IC1 needs to be a 5V tolerant AND gate, e.g. MC74HC1G08DTT1G		- when populating the board IC1 needs to be a 5V tolerant AND gate (not NAND), e.g. MC74HC1G08DTT1G

	- the rear plane is at 5V, so a little plastic disc or similar needs to be added to avoid charging the inverter casing at 5V		- the rear plane is at 5V, so a little plastic disc or similar needs to be added to avoid charging the inverter casing at 5V

Janosch: added self printing caveats

2021-11-19T10:12:42Z

added self printing caveats

← Older revision		Revision as of 10:12, 19 November 2021
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	\|Only pins with * are populated on the OEM wire harness		\|Only pins with * are populated on the OEM wire harness
	\|}		\|}

			== Self-Printing ==
			The Leaf adapter board can be self-printed from gerber files (e.g. with JLCPCB), with two caveats for the SMD version:

			- when populating the board IC1 needs to be a 5V tolerant AND gate, e.g. MC74HC1G08DTT1G

			- the rear plane is at 5V, so a little plastic disc or similar needs to be added to avoid charging the inverter casing at 5V

Celeron55: Fixed formatting of pinout

2021-01-11T09:30:29Z

Fixed formatting of pinout

← Older revision		Revision as of 09:30, 11 January 2021
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	Diagram found here: <nowiki>http://productions.8dromeda.net/c55-leaf-inverter-protocol.html</nowiki>		Diagram found here: <nowiki>http://productions.8dromeda.net/c55-leaf-inverter-protocol.html</nowiki>

	+~~---------~~-----------------------------------+ +--------------+		<pre style="white-space: pre;">
			+-----------------------------------+ +------------+
	\| 47 46 21 20 19 18 17 16 15 14 \| \| x x \|		\| 47 46 21 20 19 18 17 16 15 14 \| \| x x \|
			\| 29 28 27 26 25 x 23 22 \| \| 6 x x x \|
	\| 29 28 27 26 25 x 23 22 \| \| 6 x x x \|		\| 49 48 x x x x x x x x \| \| 10 x x x \|
			\| 45 44 43 42 41 40 39 38 \| \| x x x \|
	\| 49 48 x x x x x x x x \| \| 10 x x x \|		+-----------------------------------+ +------------+
			</pre>
	\| 45 44 43 42 41 40 39 38 \| \| x x x \|

	+~~----------~~-----------------------------------+ +--------------+
	{\|		{\|
	\|-		\|-

Bratitude at 07:29, 11 January 2021

2021-01-11T07:29:02Z

← Older revision		Revision as of 07:29, 11 January 2021
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	# disconnect the plugs from the four connectors at the top of the board.		# disconnect the plugs from the four connectors at the top of the board.
	# remove the allen bolts to free the bracket and board.		# remove the allen bolts to free the bracket and board.
	# remove the screws holding the board to the ~~carrier.~~ <u>'''Nissan uses some very strong thread lock'''</u> so be prepared for some of the screw heads to shear.*carefully heating the screw will help break down the thread lock		# remove the screws holding the board to the bracket <u>'''Nissan uses some very strong thread lock'''</u> so be prepared for some of the screw heads to shear.*carefully heating the screw will help break down the thread lock
	[[File:Nissan Proprietary connector.jpg\|alt=Nissan Proprietary connector as seen from outside the housing.\|thumb\|Nissan Proprietary connector as seen from outside the housing.]][[File:Leaf adapter pin map.png\|alt=Pin function descriptions, pins as seen from outside the housing\|thumb\|Proprietary connector pin function descriptions, pins as seen from outside the housing.]]		[[File:Nissan Proprietary connector.jpg\|alt=Nissan Proprietary connector as seen from outside the housing.\|thumb\|Nissan Proprietary connector as seen from outside the housing.]][[File:Leaf adapter pin map.png\|alt=Pin function descriptions, pins as seen from outside the housing\|thumb\|Proprietary connector pin function descriptions, pins as seen from outside the housing.]]
	Once the board has been removed from the carrier,the large connector must be salvaged from it. One method is shown in the swap video, a vacuum soldering iron is also known to work.		Once the board has been removed from the carrier,the large connector must be salvaged from it. One method is shown in the swap video, a vacuum soldering iron is also known to work.

Bratitude at 07:25, 11 January 2021

2021-01-11T07:25:50Z

← Older revision		Revision as of 07:25, 11 January 2021
Line 36:		Line 36:
	# with a mallet tap around the seam in the inverter casing to loosen the sealant		# with a mallet tap around the seam in the inverter casing to loosen the sealant
	# pry the case open, carefully lift the 2 case half's apart.		# pry the case open, carefully lift the 2 case half's apart.
			* removing the mother board
	the oem mother board is easly distinguished as it has the large proprietary connector attached. It is on it's own aluminum bracket attached to the case by 3 allen head bolts.		the oem mother board is easly distinguished as it has the large proprietary connector attached. It is on it's own aluminum bracket attached to the case by 3 allen head bolts.
	# disconnect the plugs from the four connectors at the top of the board.		# disconnect the plugs from the four connectors at the top of the board.
Line 42:		Line 42:
	# remove the screws holding the board to the carrier. <u>'''Nissan uses some very strong thread lock'''</u> so be prepared for some of the screw heads to shear.*carefully heating the screw will help break down the thread lock		# remove the screws holding the board to the carrier. <u>'''Nissan uses some very strong thread lock'''</u> so be prepared for some of the screw heads to shear.*carefully heating the screw will help break down the thread lock
	[[File:Nissan Proprietary connector.jpg\|alt=Nissan Proprietary connector as seen from outside the housing.\|thumb\|Nissan Proprietary connector as seen from outside the housing.]][[File:Leaf adapter pin map.png\|alt=Pin function descriptions, pins as seen from outside the housing\|thumb\|Proprietary connector pin function descriptions, pins as seen from outside the housing.]]		[[File:Nissan Proprietary connector.jpg\|alt=Nissan Proprietary connector as seen from outside the housing.\|thumb\|Nissan Proprietary connector as seen from outside the housing.]][[File:Leaf adapter pin map.png\|alt=Pin function descriptions, pins as seen from outside the housing\|thumb\|Proprietary connector pin function descriptions, pins as seen from outside the housing.]]
	Once the board has been removed from the carrier the large connector must be salvaged from it. One method is shown in the swap video, a vacuum soldering iron is also known to work.		Once the board has been removed from the carrier,the large connector must be salvaged from it. One method is shown in the swap video, a vacuum soldering iron is also known to work.

	Swap video: https://www.youtube.com/watch?v=T_6hw6vGzfM		Swap video: https://www.youtube.com/watch?v=T_6hw6vGzfM