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Home >> Toyota >> 1997 >> 4Runner Base, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.7L >> Relays >> Circuit Opening Relay
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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.
    CIRCUIT OPENING RELAY LOCATION

    Application Relay Location
    2.7L Below Lower Right Corner Of Fuse/Relay Box Located Behind Lower Instrument Panel Cover, At Driver's Side Of Instrument Panel
  2. To check circuit opening relay continuity, use ohmmeter to check continuity between specified terminals. See Fig 2.
  3. To check circuit opening relay operation, apply battery voltage and ground to relay and use ohmmeter to check continuity between specified terminals. See Fig 2. Replace circuit opening relay if defective.
Fig 1: Locating Circuit Opening Relay Or EFI Main Relay
G97A06276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay & EFI Main Relay
G97J06266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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