The 2KD-FTV is a 2.5L D-4D engine that relies on an external to fire the injectors. You will typically find multiple connectors (labeled A, B, C, D, or E) on the ECU housing. 🔋 Power and Ground

This is where you probe for signal voltages (typically 0.5V to 4.5V).

Injector control signals sent to the EDU (Electronic Driving Unit).

The ECU uses , typically labeled A , B , C , and D (or E5, E6, E7, E8).