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Circuit Opening Relay

NOTE: Circuit opening relay is used on all models except Land Cruiser.
  1. Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION  table. See Fig 1-Fig 9 .
    CIRCUIT OPENING RELAY LOCATION (1)

    Application Location
    Avalon Top Corner Of Relay Box Behind Driver's Side Kick Panel
    Camry & Camry Solara In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Battery
    Highlander In Relay Box Just Above Driver's Side Kick Panel
    Sequoia, Sienna & Tundra In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Battery
    Tacoma Behind Lower Instrument Panel Cover, Next To Driver's Side Of Steering Column
    4Runner Below Right Corner Of Fuse/Relay Box Behind Lower Instrument Panel Cover At Driver's Side Of Instrument Panel To Left Of Steering Column, Just Above Hood Release Lever
    (1) Circuit opening relay may be marked as CIR OPN relay.
  2. To test circuit opening relay continuity, using ohmmeter, check for continuity and no continuity between specified terminals on circuit opening relay. See Fig 10-Fig 13 .
  3. To test circuit opening relay operation, apply battery voltage and ground to circuit opening relay and use ohmmeter to check for continuity between specified terminals on circuit opening relay. See Fig 10-Fig 13 . Replace circuit opening relay if defective.
Fig 1: Locating Circuit Opening Relay (Avalon)
G00009726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Locating Circuit Opening Relay (Camry & Camry Solara)
G00009727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Locating Various Relays (Highlander)
G00015600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Locating Circuit Opening Relay & Fuel Pump Relay (Sequoia)
G00011369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Locating Circuit Opening Relay (Sienna)
G00009728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Locating Circuit Opening Relay (Tacoma)
G97A06484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 7: Locating Circuit Opening Relay (Tundra 3.4L V6)
G00009729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 8: Locating Circuit Opening Relay & Fuel Pump Relay (Tundra 4.7L V8)
G00009730Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 9: Locating Circuit Opening Relay (4Runner)
G97A06276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 10: Testing Circuit Opening Relay Or EFI Main Relay (Avalon, Highlander, Sequoia, Sienna & Tundra)
G98E11472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 11: Testing Circuit Opening Relay Or EFI Main Relay (Camry & Camry Solara), Or EFI Main Relay (Tacoma)
G97C06258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 12: Testing Circuit Opening Relay (Tacoma)
G99G54433Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 13: Testing Circuit Opening Relay Or EFI Main Relay (4Runner)
G99H08740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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