Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA1992PICKUP BASE, W55REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSRELAYSCIRCUIT OPENING RELAY
1992 Toyota Pickup Base, W55
Circuit Opening Relay
1992 Toyota Pickup Base, W55SECTION Circuit Opening Relay
- 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 3 .
- Check circuit opening relay operation by applying battery voltage and checking continuity between specified terminals. See Fig 1-Fig 3 . 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 |
|---|---|
| P/U & 4Runner | Behind Passenger's Kick Panel, Above ECU |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.