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Circuit Opening Relay

Circuit opening relay is located under ECU, under center of dash. To check circuit opening relay, See Fig 1 and Fig 2. Replace relay if continuity is not as specified.

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 article in this section for wire color.
Fig 1: Circuit Opening Relay Continuity Check
G118918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Circuit Opening Relay Operation Check
G118919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002