Circuit Opening Relay

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 appropriate WIRING DIAGRAMS article for wire color.

Fig 1: Circuit Opening Relay Continuity Check

Fig 2: Circuit Opening Relay Operation Check