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Home >> Daihatsu >> 1992 >> Charade SX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel System >> Fuel Pump Control Circuit >> Fuel Pump Relay

Fuel Pump Relay

Fuel pump relay receives power when ignition switch is turned on. ECU controls ground circuit on fuel pump relay. When ground circuit is completed, power is supplied to fuel pump for fuel pump operation. See Fig 1 -Figure .

NOTE: For more information on testing relays and fuel system components, see SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE Section.
Fig 1: Fuel System Wiring Schematic (1.0L)
G90H16565Courtesy of DAIHATSU MOTOR CO., LTD.
Fig 2: Fuel System Wiring Schematic (1.3L)
G90I16566Courtesy of DAIHATSU MOTOR CO., LTD.
Fig 3: Fuel System Wiring Schematic (1.6L)
G90J16567Courtesy of DAIHATSU MOTOR CO., LTD.