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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 .
  2. Check circuit opening relay operation by applying battery voltage and checking continuity between specified terminals. See Fig 1-Fig 2 . Replace circuit opening relay if defective.
NOTE: Circuit opening relay may also be identified by appropriate illustration in THEORY/OPERATION article in the ENGINE PERFORMANCE Section or wire color. See appropriate wiring diagram in WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section.
CIRCUIT OPENING RELAY LOCATION

Application Location
Supra In Relay Panel, Behind Passenger's Kick Panel
Fig 1: Testing Circuit Opening Relay - Checking Continuity
G92F27404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Circuit Opening Relay - Checking Operation
G92G27405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002