Locating Honda Civic SI 1999-2000 ECU Wiring DIY

You may use the following diagram to locate your Electrical Controller Unit (ECU) of Honda Civic SI 1999-2000, Acura Integra (all models) 2000, S2000 2000-2004 and B16A/B16C/F20C. The diagram is shown from the wire side of the harness.

The ECU location of those mentioned vehicle can be found in the Lower Driver Side Dash. The ECU diagram covers the RPM signal (I), the speed sensor (S) for S2000, 12 volt ignition (B), ECU ground (E), the injector signal (#), 12V battery (U), Throttle Position Sensor (T), and pressure sensor type (P).