rusefi_documentation/Hellen-121-Nissan.md

Hellen 121 Nissan

https://www.shop.rusefi.com/shop/p/hellen-121-nissan

*Compatible with: Earlier 350Z, 2nd Generation Nissan X-Terra, some Sentra, some Maxima.

Download release firmware Download Snapshot firmware

Pinout & Google Sheet

Issue Tracker

Schematics rev D

Schematics rev С

Schematics rev B

ibom rev D

ibom rev С

ibom rev B

Nissan-Xterra-2011

Almera

Vault-Of-Nissan-OEM

Hardware features

Extension Pads

Pin	Type	Comments
	Outputs
P43	PP	1.5 A peak
P45	PP	1.5 A peak
P48	Bridge driver A	3 A peak
P49	Bridge driver A	3 A peak
P50	Bridge driver B	3 A peak
P51	Bridge driver B	3 A peak
P52	Low side	0.5 A
P53	Low side	1 A
P54	Low side	0.5 A
P55	Low side	0.5 A
P56	Low side	0.5 A
P57	Low side	0.5 A
P58	Low side	0.5 A
P59	Low side	0.5 A
P60	High side	4 A
P61	High side	4 A
P73	PP 5 V	20 mA
P74	PP 5 V	20 mA
	Inputs
P62	Analog pull up
P63	Analog pull up
P64	Analog pull down
P65	Analog pull down
P66	Analog pull down
P67	Analog pull down
P68	Analog pull down
P69	Analog pull down
DIN1	Discrete input
DIN2	Discrete input
DIN3	Discrete input

Vehicle Specific Jumpers

Rev B, ECU pin 68 considerations

Vehicle	R7	R8
All vehicles	✔️	❌