1nz Ecu: Pinout Diagram

| Pin | Connector | Wire Color | Signal Name | I/O | Description | |-----|-----------|------------|----------------|-----|-----------------------------| | 1 | E5 (A) | White/Red | +B1 | P | ECU main relay power (12V) | | 2 | E5 (A) | Black/White | +B | P | ECU main relay power (12V) | | 3 | E5 (A) | Brown | E01 | G | Power ground (injectors/ignition) | | 4 | E5 (A) | Brown/Black | E02 | G | Power ground (injectors/ignition) | | 5 | E5 (A) | Black | E1 | G | Sensor ground (ECU internal) | | 6 | E5 (A) | Yellow | IGT1 | O | Ignition trigger – Cylinder 1 | | 7 | E5 (A) | Yellow/Black | IGT2 | O | Ignition trigger – Cylinder 2 | | 8 | E5 (A) | Yellow/Red | IGT3 | O | Ignition trigger – Cylinder 3 | | 9 | E5 (A) | Yellow/Blue | IGT4 | O | Ignition trigger – Cylinder 4 | | 10 | E5 (A) | Red/Blue | #10 | O | Injector driver – Cyl 1 & 2 | | 11 | E5 (A) | Red | #20 | O | Injector driver – Cyl 3 & 4 | | 12 | E5 (A) | Black/Orange | MREL | O | Main relay control | | 13 | E5 (A) | Green/Red | FC | O | Fuel pump relay control | | 14 | E6 (B) | Red/Black | VTA | I | TPS – Throttle position signal | | 15 | E6 (B) | Blue/Red | VTA2 | I | TPS – Sub-throttle (ETCS-i) | | 16 | E6 (B) | Light Green | VG | I | MAF sensor signal | | 17 | E6 (B) | Blue/Yellow | THW | I | ECT – Engine coolant temp | | 18 | E6 (B) | Brown/Yellow | THA | I | IAT – Intake air temp | | 19 | E6 (B) | Pink | KNK | I | Knock sensor signal | | 20 | E6 (B) | Violet | OX1B | I | Front A/F sensor (wideband) | | 21 | E6 (B) | White | OX2B | I | Rear O2 sensor (narrowband) | | 22 | E6 (B) | Blue/Orange | VVTP | O | VVT-i oil control valve | | 23 | E6 (B) | Gray | NE+ | I | Crankshaft position sensor (+) | | 24 | E6 (B) | Gray/Black | NE- | I | Crank sensor (-) | | 25 | E6 (B) | Blue | G2+ | I | Camshaft position sensor | | 26 | E7 (C) | Green/White | SPD | I | Vehicle speed sensor | | 27 | E7 (C) | Silver/Black | SIL | COM | Diagnostic (K-Line) | | 28 | E7 (C) | Violet/White | TC | COM | Diagnostic request (check engine) | | 29 | E7 (C) | Red/White | IMO | COM | Immobilizer transponder coil | | 30 | E7 (C) | Green/Yellow | STA | I | Starter signal |