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Circuit Opening Relay

  1. Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION  table.
    NOTE: Circuit opening relay may also be identified using illustration in the THEORY/OPERATION - 2.4L article or wire color. See wiring diagram in the WIRING DIAGRAMS article.
    CIRCUIT OPENING RELAY LOCATION

    Application Relay Location
    Pickup Below Passenger's Side Of Dash, Near Kick Panel
  2. Using ohmmeter, check continuity between specified terminals. See Fig 1.
  3. Check circuit opening relay operation by applying battery voltage and ground and checking continuity between specified terminals. See Fig 2. Replace circuit opening relay if defective.
Fig 1: Testing Circuit Opening Relay (Checking Continuity)
G95J32473Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay (Checking Operation)
G95A32474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002