Fuel Pump: Inspection

Connect the lead harness to the connector terminal of fuel pump and apply the battery power supply to check whether the pump operates.

WARNING:

Wipe off the fuel completely.
Keep battery as far apart from fuel pump as possible.
Be sure to turn the battery supply ON and OFF on the battery side.
Do not run fuel pump for a long time under non-load condition.

Fig 1: Checking Fuel Pump Operation
Courtesy of SUBARU OF AMERICA, INC.