NISSAN Hitachi Pinout module 18
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For the 112-pin N17 Hitachi ECU, the factory ECM information gives this bench/CAN wiring:
| ECU pin | Function | Bench connection |
|---|---|---|
| 81 | ECM backup power | +12 V constant |
| 93 | Ignition switch input | +12 V switched |
| 105 | ECM main power | +12 V |
| 108 | ECM ground | GND |
| 10, 11 | ECM grounds | GND |
| 84 | CAN-H | J2534 CAN-H / OBD pin 6 |
| 83 | CAN-L | J2534 CAN-L / OBD pin 14 |
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| Connector | Position in your photo | Nissan pin range |
|---|---|---|
| A | Left | 1–32 |
| B | Center | 33–80 |
| C | Right | 81–112 |
PCMFlash Module 18 — bench CAN pinout#
| ECU pin | Your connector | Function | Connect |
|---|---|---|---|
| 10 | A10 | ECM Ground | GND |
| 11 | A11 | ECM Ground | GND |
| 81 | C1 | ECM backup / constant supply | +12 V |
| 83 | C3 | CAN-L | J2534 CAN-L / OBD 14 |
| 84 | C4 | CAN-H | J2534 CAN-H / OBD 6 |
| 93 | C13 | Ignition input | switched +12 V |
| 105 | C25 | Main ECM power supply | +12 V |
| 108 | C28 | ECM Ground | GND |
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