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Circuit Opening Relay Check

The circuit opening relay is located near the ECU, under the center of dash, in front of the console. See Figure. To check circuit opening relay, see Fig 1. The circuit opening relay is located under the center of the dash. 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 Check
G118918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay - Operation Check
G118919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002