2nz Fe: Ecu Pinout Pdf 186 Portable ^hot^

Before making any permanent wiring changes or cuts, disconnect the negative battery terminal to prevent accidental short circuits that could fry the ECU's internal processors. Accessing the PDF

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If you are using a , searching for "186" might be a specific internal code for that device's software version or a specific library entry for the 2NZ-FE engine profile. Where to Find Accurate Diagrams

| Pin | Connector | Wire Color | Signal | Notes | |------|-----------|------------|--------|-------| | +B | A-1 | White/Red | Main EFI relay output (12V) | Needs 12V with key-ON | | +B2 | A-2 | White/Red | Main EFI relay output 2 | Same as above | | E1 | A-21 | Brown | Power ground (ECU) | Must connect to battery - | | E01 | A-22 | White/Black | Injector ground | Connects to E1 | | E02 | A-23 | White/Black | Injector ground | Connects to E1 | | IGT1 | A-9 | Yellow | Ignition trigger #1 | To igniter | | IGT2 | A-10 | Light Green | Ignition trigger #2 | To igniter | | IGF | A-11 | Red/Blue | Ignition confirmation | From igniter | | #10 | A-14 | Light Green/Red | Injector 1 | 12V when off, ground pulse | | #20 | A-15 | Yellow/Black | Injector 2 | Same | | #30 | A-16 | Light Green/Black | Injector 3 | Same | | #40 | A-17 | Yellow/Red | Injector 4 | Same | | VTA1 | B-5 | Blue/Red | TPS signal | 0.3-4.8V | | VCC1 | B-2 | Red/Black | Sensor 5V ref | 5V out | | E2 | B-3 | Brown/White | Sensor ground | To E1 | | PIM | B-4 | Pink/Blue | MAP sensor | 1.5-4.5V | | THW | B-18 | Red/White | Engine coolant temp | High voltage when cold | | STA | D-5 | Black/White | Starter signal (key crank) | Needed to run |