Previa Van RWD L4-148.8 2438cc 2.4L DOHC SC (2TZ-FZE) (1996)
EFI Main Relay: Description and Operation
PURPOSE
The Electronic Fuel Injection Main Relay serves as a source of battery power for several components including the Circuit Opening Relay, (which
powers the Fuel Pump), and the Engine Control Module (ECM).
OPERATION
The main relay is energized by a signal from the Ignition Switch. It then supplies battery current from the EFI fuse to the ECM and other
components.