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Home >> Toyota >> 1992 >> Pickup Base, W55 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Battery Signal
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Battery Signal

Battery voltage is always present at BATT terminal of ECU. When ignition is turned on, voltage for ECU operation is applied through EFI main relay to terminals +B and +B1.