Circuit Opening Relay
- 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 4Runner Below Lower Right Corner Of Fuse/Relay Box Located Behind Lower Instrument Panel Cover, At Driver's Side Of Instrument Panel To The Left Of Steering Column - To test circuit opening relay continuity, using ohmmeter, check continuity between specified terminals. See Fig 1 and Fig 2.
- 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.