82 lines
2.5 KiB
Markdown
82 lines
2.5 KiB
Markdown
# Hellen 121 Nissan
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<a href="https://www.ebay.com/itm/334061645783"><img src="Images/ebay_gen_button.gif"></a>
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*Compatible with: Earlier 350Z, 2nd Generation Nissan X-Terra, some Sentra, some Maxima.
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[Download release firmware](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_hellen121nissan.zip)
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[Download Snapshot firmware](https://rusefi.com/build_server/rusefi_bundle_hellen121nissan.zip)
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[Ebay](https://www.ebay.com/itm/334061645783)
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[Pinout](https://rusefi.com/docs/pinouts/hellen/hellen121nissan/) & [Google Sheet](https://docs.google.com/spreadsheets/d/1mhGITGrEsXB65xr1dcxLFLKIrD0TVu754hoxm6RZHCA)
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[Issue Tracker](https://github.com/rusefi/hellen121nissan-issues/issues)
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[Schematics rev D](Hardware/Hellen/hellen121nissan-d-schematic.pdf)
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[Schematics rev С](Hardware/Hellen/hellen121nissan-c-schematic.pdf)
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[Schematics rev B](Hardware/Hellen/hellen121nissan-b-schematic.pdf)
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[ibom rev D](https://rusefi.com/docs/ibom/hellen121nissan-d-ibom.html)
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[ibom rev С](https://rusefi.com/docs/ibom/hellen121nissan-c-ibom.html)
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[ibom rev B](https://rusefi.com/docs/ibom/hellen121nissan-b-ibom.html)
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[Nissan-Xterra-2011](Nissan-Xterra-2011)
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[Almera](OEM-Docs/Nissan/Almera-N16-ECU.pdf)
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[Vault-Of-Nissan-OEM](Vault-Of-Nissan-OEM)
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## Hardware features
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## Extension Pads
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| Pin | Type | Comments |
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|---|---|---|
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||**Outputs**||
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| P43 | PP | 1.5 A peak |
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| P45 | PP | 1.5 A peak |
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| P48 | Bridge driver A | 3 A peak |
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| P49 | Bridge driver A | 3 A peak |
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| P50 | Bridge driver B | 3 A peak |
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| P51 | Bridge driver B | 3 A peak |
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| P52 | Low side | 0.5 A |
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| P53 | Low side | 1 A |
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| P54 | Low side | 0.5 A |
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| P55 | Low side | 0.5 A |
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| P56 | Low side | 0.5 A |
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| P57 | Low side | 0.5 A |
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| P58 | Low side | 0.5 A |
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| P59 | Low side | 0.5 A |
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| P60 | High side | 4 A |
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| P61 | High side | 4 A |
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| P73 | PP 5 V | 20 mA |
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| P74 | PP 5 V | 20 mA |
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| | **Inputs** | |
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| P62 | Analog pull up | |
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| P63 | Analog pull up | |
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| P64 | Analog pull down | |
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| P65 | Analog pull down | |
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| P66 | Analog pull down | |
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| P67 | Analog pull down | |
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| P68 | Analog pull down | |
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| P69 | Analog pull down | |
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| DIN1 | Discrete input | |
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| DIN2 | Discrete input | |
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| DIN3 | Discrete input | |
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## Vehicle Specific Jumpers
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Rev B, ECU pin 68 considerations
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| Vehicle | R7 | R8 |
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| --- | --- | --- |
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| [All vehicles](https://github.com/rusefi/hellen121nissan-issues/issues/3) | ✔️ | ❌ |
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