Circuit Opening Relay Test

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

To check circuit opening relay, See Fig 2 & 16. See CIRCUIT OPENING RELAY LOCATION table. 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 appropriate wiring diagram in WIRING DIAGRAMS article for wire color.

CIRCUIT OPENING RELAY LOCATION

Model	Location
Camry	Under ECU under center of dash

Fig 1: Testing Circuit Opening Relay - Continuity Check

Fig 2: Testing Circuit Opening Relay - Operation Check