When does the DC fuel pump supply fuel to the engine-driven pump during a normal start?

The DC fuel pump supplies fuel to the engine-driven pump during a normal start when the DC pump switch is in AUTO and the engine run switch is ON. In this configuration, the system is designed to activate the DC fuel pump automatically to ensure that fuel is delivered to the engine during the starting process.

This automatic activation is crucial for maintaining the appropriate fuel pressure and volume necessary for engine start-up. The engine run switch being ON is also essential, as it indicates that the engine is intended to operate, prompting the fuel system to prepare accordingly.

Having the DC pump switch in AUTO allows the system to manage fuel flow efficiently, reacting to the engine's needs without requiring manual intervention. The correct operation of this system is vital for ensuring a smooth and reliable engine start.