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Circuit Opening Relay Test

WARNING: This page is about a different car, the 1990 Toyota Land Cruiser and 1989 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

To check circuit opening relay, See Fig 1 & 13. Circuit opening relay is located behind center of dash. See Figure. 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