SFI SYSTEM > Fuel Pump Control Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FUEL PUMP OPERATION

PERFORM ACTIVE TEST (OPERATE C/OPN RELAY)

INSPECT ECM POWER SOURCE CIRCUIT

INSPECT FUSE (F/PUMP)

INSPECT INTEGRATION RELAY (Marking: EFI NO. 2)

INSPECT INTEGRATION RELAY (Marking: C/OPN)

CHECK ECM (FC VOLTAGE)

INSPECT RELAY (Marking: F/PMP)

INSPECT FUEL PUMP

CHECK WIRE HARNESS (FUEL PUMP - F/PMP RELAY, FUEL PUMP - BODY GROUND)

CHECK WIRE HARNESS (INTEGRATION RELAY - FUEL PUMP RELAY)

INSPECT RELAY (Marking: F/PMP)

INSPECT FUEL PUMP RESISTOR

CHECK WIRE HARNESS (F/PMP RELAY - FUEL PUMP RESISTOR)