Circuit Opening Relay (Tercel & 4Runner)
Circuit opening relay controls the fuel pump circuit. When EFI main relay is energized, EFI main relay provides battery voltage to circuit opening relay. When proper input signals are delivered to the Engine Control Module (ECM), the circuit opening relay ground circuit is grounded at ECM terminal FC. Circuit opening relay then provides voltage to fuel pump for fuel pump operation. See CIRCUIT OPENING RELAY LOCATION table.
CIRCUIT OPENING RELAY LOCATION
| Application | Location | ||
|---|---|---|---|
| Camry | (1) In Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Air Cleaner | ||
| Celica | Below Passenger's Side Of Instrument Panel, Underneath Carpet, Near Center Console, Attached To Rear Of ECM | ||
| Corolla | Center Relay In Relay Box, Behind Driver's Side Kick Panel | ||
| RAV4 | Top Rear Relay In Relay Box Below Driver's Side Of Instrument Panel, Behind Kick Panel | ||
| Tacoma | Behind Lower Instrument Panel Cover, Next To Driver's Side Of Stede Of Steering Column | ||
| Tercel | Near Top Right Corner Of Fuse/Relay Box Behind Driver's Side Lower Instrument Panel Cover, Near Steering Column | ||
| T100 | Behind Glove Box, Near Passenger's Side Kick Panel | ||
| 4Runner | Below Right Corner Of Fuse/Relay Box, Behind Lower Instrument Panel Cover At Driver's Side Of Instrument Panel To Left Of Steering Column, Just Above Hood Release Lever | ||
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NOTE:
EFI main relay may also be referred to as EFI relay.