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Circuit Opening Relay

  1. Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION  table. Using ohmmeter, check continuity between specified terminals. See Fig 1, Fig 2 and Fig 3.
  2. Check circuit opening relay operation by applying battery voltage and ground and checking continuity between specified terminals. See Fig 1, Fig 2 and Fig 3. Replace circuit opening relay if defective.
    NOTE: Circuit opening relay may also be identified using appropriate illustration in THEORY/OPERATION article or wire color. See appropriate wiring diagram in articles listed below:
CIRCUIT OPENING RELAY LOCATION

Application Location
Paseo Bottom Center Of Dash, Above ECM
Tercel Bottom Center Of Dash, In Front Of Console, Right Side Of ECM
Fig 1: Testing Circuit Opening Relay (Step 1, Continuity)
G92G27413Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay (Step 2)
G92H27414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing Circuit Opening Relay (Step 3, Operation)
G92I27415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002