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Home >> Toyota >> 1996 >> T100 Base, 2D Pickup, Standard >> 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.
    NOTE: Circuit opening relay may also be identified using appropriate illustration in THEORY/OPERATION - 2.7L article and wire color. See appropriate wiring diagram in WIRING DIAGRAMS article.
    CIRCUIT OPENING RELAY LOCATIONS

    Application Relay Location
    T100 Behind Glove Box, Near Passenger's Side Kick Panel
  2. To test circuit opening relay continuity, using ohmmeter, check continuity between specified terminals. See Fig 1 and Fig 2.
  3. To test circuit opening relay operation, apply battery voltage and ground to relay and use ohmmeter to check continuity between specified terminals. See Fig 1 and Fig 2. Replace circuit opening relay if defective.
Fig 1: Testing Circuit Opening Relay - Checking Continuity
G95D32477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay - Checking Operation
G95E32478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002