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Circuit Opening Relay

To check circuit opening relay. See CIRCUIT OPENING RELAY LOCATION CHECKS. See Fig 1 and Fig 2. Replace relay if defective. The circuit openoing relay is located under the ECU, under the center of the dash.

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 Check
G118918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay - Operation Check
G118919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002