Denso Ecu Pinout Database Online

: Wiring diagrams were exclusive to authorized dealerships.

| Pin | Wire Color | Signal Name | Input/Output | Voltage/Resistance | | :--- | :--- | :--- | :--- | :--- | | A-12 | Black/White | ECU Ground | Ground | < 0.5V | | B-07 | Red | Battery +B | Power | 11-14V | | C-22 | Yellow/Blue | Crank Position | Input | 0.5-5V AC (Sine wave) | | D-05 | White | CAN Low | Comms | 1.5-2.5V | denso ecu pinout database

This is the million-dollar question. There is no official, free, universal, downloadable Excel file containing every Denso ECU from 1990 to 2025. : Wiring diagrams were exclusive to authorized dealerships

Denso typically uses three connectors on a 90s-2000s ECU: denso ecu pinout database

: Wiring diagrams were exclusive to authorized dealerships.

| Pin | Wire Color | Signal Name | Input/Output | Voltage/Resistance | | :--- | :--- | :--- | :--- | :--- | | A-12 | Black/White | ECU Ground | Ground | < 0.5V | | B-07 | Red | Battery +B | Power | 11-14V | | C-22 | Yellow/Blue | Crank Position | Input | 0.5-5V AC (Sine wave) | | D-05 | White | CAN Low | Comms | 1.5-2.5V |

This is the million-dollar question. There is no official, free, universal, downloadable Excel file containing every Denso ECU from 1990 to 2025.

Denso typically uses three connectors on a 90s-2000s ECU: