Toyota Avalon Service & Repair Manual > Sfi System: Fuel Pump "A" Control Circuit Short to Battery (P062712)
DESCRIPTION The fuel pump control ECU performs PWM (Pulse Width Modulation) control to control the fuel pump (for low pressure side) speed steplessly over a wide range. The fuel pump control ECU controls the speed of the fuel pump (for low pressure side) by switching the current of FPU, FPV and FPW ...
