Wiring Diagram ECU 2KD-FTV - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document provides a wiring diagram and component overview for the 1KD-FTV and 2KD-FTV diesel engine control systems. The diagram shows the connections between the engine control unit (ECU), glow plug relay, main relay, EDU relay, battery, and other electrical components. Wiring colors and connector locations are indicated.