RL V6-3.5L (2007)
Main Relay (Computer/Fuel System): Description and Operation
PGM-FI Main Relay 1 (FI MAIN) and 2 (FUEL PUMP)
PGM-FI main relay 1 (FI MAIN) is energized whenever the ignition switch is ON (II) to supply battery voltage to the PCM, power to the injectors, and
power for PGM-FI main relay 2 (FUEL PUMP).PGM-FI main relay 2 (FUEL PUMP) is energized to supply power to the fuel pump for 2 seconds when
the ignition switch is turned ON (III, and when the engine is cranking or running.
