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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 139 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING - 4-CYLINDER)MODULES, MOTORS, RELAYS & SOLENOIDSCIRCUIT OPENING RELAY
2004 Toyota Matrix XR, FWD, Standard
Circuit Opening Relay
2004 Toyota Matrix XR, FWD, StandardSECTION Circuit Opening Relay
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
On Prius, read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
- Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION table and Fig 1-Fig 10 .
- To test circuit opening relay, using ohmmeter, check for continuity or open between specified terminals on circuit opening relay. See Fig 11 and Fig 12 .
- To test circuit opening relay operation, apply battery voltage and ground to circuit opening relay. Using ohmmeter, check for continuity between specified terminals on circuit opening relay. See Fig 11 and Fig 12 . Replace circuit opening relay if defective.
CIRCUIT OPENING RELAY LOCATION (1)
| Application | Location | ||
|---|---|---|---|
| Camry & Camry Solara | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment | ||
| Celica | In Fuse/Relay Box At driver's side Front Corner Of Engine Compartment, Just In Front Of Strut Tower | ||
| Corolla | Center Relay In Relay Box Behind Driver's Side Kick Panel | ||
| ECHO | In Fuse/Relay Box Behind Driver's Side Of Instrument Panel | ||
| Highlander | In Relay Box Just Above Driver's Side Kick Panel | ||
| Matrix | In Junction Box Behind Driver's Side Of Instrument Panel | ||
| MR2 | In Relay Box On Firewall At Driver's Side Front Corner Of Engine Compartment | ||
| Prius & RAV4 | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment | ||
| Tacoma | Behind Lower Instrument Panel Cover, Next To Driver's Side Of Steering Column | ||
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RENDER: 1.0x
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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.