Celica Coupe L4-132 2164cc 2.2L DOHC (5S-FE) (1992)
/Page-469001.png)
EFI Main Relay: Description and Operation
EFI Main Relay
EFI Main Relay
PURPOSE
The EFI main relay provides battery power to several components including the circuit opening relay, the fuel pressure up VSV and the ECU.
LOCATION
Located in the fuse panel on the LH side of the engine compartment.
OPERATION
The relay is supplied battery current through the EFI fuse and is energized by a signal from the ignition switch. The ECU receives relay input at
terminals +B and +B1.
