Fuel Pump: Description and Operation

PURPOSE
The in-tank type fuel pump serves to provide a constant flow of fuel to the injection system.

OPERATION
When the ignition switch is turned to the START position, current flows, by way of the Multiport Fuel Injection (MFI) relay coil, from the ignition switch to ground. As a result, the MFI relay switch is switched on, and the power for activation of the fuel pump is supplied, by way of the MFI relay switch, from the battery to the fuel pump.