1nz Ecu Pinout Best

| Function | Connector | Pin | Wire Color (Typical) | Condition | | :--- | :--- | :--- | :--- | :--- | | | E5 (A) | 1 | White | Constant 12V | | IG Power (Main Relay) | E5 (A) | 5 | Black/Red | 12V with Key ON | | +BM (Sensor Power) | E5 (A) | 2 | Black/Orange | 12V via EFI relay | | Power Ground | E5 (A) | 17, 18 | Brown | Chassis Ground | | Sensor Ground | E6 (B) | 24 | White/Black | ECU Signal Ground |

Note: Pin positions vary slightly between automatic and manual transmissions (especially for the Neutral Safety Switch). Always verify with a pinout diagram specific to your chassis number. 1nz ecu pinout

: Always disconnect the negative battery terminal before probing ECU pins to avoid shorting the logic board. | Function | Connector | Pin | Wire

| Sensor | Connector | Pin | Signal Wire | Voltage/Spec | | :--- | :--- | :--- | :--- | :--- | | | E6 (B) | 23 | Light Green | 3.0-3.8V @ idle; ~1.0V @ decel | | TPS (VTA) | E6 (B) | 22 | Blue/Red | 0.5V (Closed) to 4.5V (WOT) | | Engine Coolant Temp | E6 (B) | 20 | Red/White | 2.5V cold to 0.2V hot | | Cam Position (VVT-i) | E6 (B) | 9 | Yellow | 5V square wave | | Crank Position (NE) | E6 (B) | 8 | White | 5V square wave | | Sensor | Connector | Pin | Signal