Hellen 121 Nissan¶
*Compatible with: Earlier 350Z, 2nd Generation Nissan X-Terra, some Sentra, some Maxima.
Download release firmware Download Snapshot firmware
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 | ✔️ | ❌ |