Camry Wagon V6-3.0L (1MZ-FE) (1994)
Main Relay (Computer/Fuel System): 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.