Camry Sedan V6-180.5 2959cc 3.0L DOHC (3VZ-FE) (1992)
EFI Main Relay: Description and Operation
EFI Main Relay Schematic
PURPOSE
The SFI main relay provides battery power for several components including the circuit opening relay, the fuel pressure up TVV and the ECM.
LOCATION
Located in the fuse panel on the LH side of the engine compartment.
CONSTRUCTION
OPERATION
The SFI Main Relay receives battery current through the SFI fuse and is energized by a signal from the M-REL terminal of the ECM. The ECM
receives relay input at terminals +B and +B1.