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All Models

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION  table. See Fig 1-Fig 11 .
  2. To test circuit opening relay continuity, using ohmmeter, check for continuity and no continuity between specified terminals on circuit opening relay. See Fig 12 and 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 12 and Fig 13 . Replace circuit opening relay if defective.
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
Highlander In Relay Box Just Above Driver's Side Kick Panel
Land Cruiser In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment
Sequoia, Sienna & Tundra In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment
Tacoma Behind Lower Instrument Panel Cover, Next To Driver's Side Of Steering Column
4Runner In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment
(1) Circuit opening relay may be marked as CIR OPN relay or C/OPN relay.
Fig 1: Locating Circuit Opening Relay (Avalon)
G00009726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Locating Various Relays (Camry)
G00035224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Locating Circuit Opening Relay (Camry Solara)
G00009727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Locating Various Relays (Highlander)
G00015600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Locating Circuit Opening Relay & Fuel Pump Relay (Land Cruiser)
G00251057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Locating Circuit Opening Relay & Fuel Pump Relay (Sequoia)
G00011369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 7: Locating Circuit Opening Relay (Sienna)
G00009728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 8: Locating Circuit Opening Relay (Tacoma)
G97F06274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 9: Locating Circuit Opening Relay (Tundra 3.4L)
G00251058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 10: Locating Circuit Opening Relay & Fuel Pump Relay (Tundra 4.7L)
G00251060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 11: Locating Various Relays (4Runner)
G00251059Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 12: Testing Circuit Opening Relay Or EFI Main Relay (Avalon, Camry, Highlander, Land Cruiser, Sequoia, Sienna, Tundra & 4Runner)
G98E11472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 13: Testing Circuit Opening Relay Or EFI Main Relay (Camry Solara & Tacoma)
G97C06258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002