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Circuit Opening Relay: Notes

To check circuit opening relay, See Fig 1 & 13. Circuit opening relay is located under ECU between passenger's seat and drivers seat. Replace relay if defective.

NOTE: During cranking, there should be 12 volts present at "FP" terminal of circuit opening relay. This is the fuel pump (or fuel pump relay) line. See WIRING DIAGRAMS for wire color.
Fig 1: Testing Circuit Opening Relay Continuity
G118918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay Operation
G118919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002