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Circuit Opening Relay

  1. Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION  table. See Fig 1-Fig 7 .
    CIRCUIT OPENING RELAY LOCATION (1)

    Application Location
    Camry CNG & Gasoline Models, & Camry Solara In Fuse/Relay Box At Driver-Side Front Corner Of Engine Compartment, Near Battery & Air Cleaner
    Celica In Fuse/Relay Box At Driver-Side Front Corner Of Engine Compartment, Just In Front Of Strut Tower, Near Battery
    Corolla Center Relay In Relay Box Behind Driver-Side Kick Panel
    ECHO In Fuse/Relay Box Behind Driver's Side Of Instrument Panel
    RAV4 Top Rear Relay In Relay Box Below Driver's Side Of Instrument Panel, Behind Kick Panel
    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 Figure-Figure .
  3. To test circuit opening relay operation, apply battery voltage and ground to circuit opening relay. Using ohmmeter, check for continuity between specified terminals on circuit opening relay. See Figure-Figure . Replace circuit opening relay if defective.
Fig 1: Locating Circuit Opening Relay (Camry CNG & Gasoline Models, & Camry Solara)
G99D54430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Locating Circuit Opening Relay (Celica)
G99E54431Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Locating Circuit Opening Relay (Corolla)
G98A12518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Locating Circuit Opening Relay (ECHO)
G99F54432Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Locating Circuit Opening Relay (RAV4)
G97D06273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Locating Circuit Opening Relay (Tacoma)
G97F06274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 7: Locating Circuit Opening Relay (4Runner)
G97A06276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002