Hellen 121 Nissan

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

Download release firmware Download Snapshot firmware

Ebay

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

x x

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 ✔️