Connect scan tool with 'DATA LINK CONNECTOR' (DLC).
Warm engine up to normal operating temperature.
Turn all the electrical devices including air conditioner OFF.
Perform "ELEC. FUEL PUMP RELAY" of "ACTUATION TEST" with scan tool.
Specification : Fuel pump (fuel pump relay) operates at actuation test
Fig.1) Diagnosing problem is convenient and accurate through "ACTUATION TEST" of fuel pump relay.