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 54 (ELECTRICAL COMPONENT LOCATOR)SENDING UNITS & SENSORS
2004 Toyota Matrix XR, FWD, Standard
Sending Units & Sensors
2004 Toyota Matrix XR, FWD, StandardSECTION Sending Units & Sensors
WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
SENDING UNITS & SENSORS LOCATION
| Component | Component Location |
|---|---|
| ACCEL Position Sensor | Behind upper left side of dash. See Figure. |
| A/C Magnetic Clutch & Lock Sensor | On left front of engine. See Figure. |
| A/C Room Temperature Sensor | Behind left center of dash. See Figure. |
| A/C Solar Sensor | Behind top right side of dash. See Figure. |
| A/C Thermistor | Behind lower center of dash. See Figure. |
| Air Bag Sensor Assembly | Behind lower center of dash. See Figure. |
| Ambient Temperature Sensor | On left front of vehicle, behind bumper fascia. See Figure. |
| Buckle Switch (Right) & Seat Belt Warning Occupant Detection Sensor | Under passenger's seat. |
| Camshaft Position Sensor | On rear of cylinder head. See Figure. |
| Circuit Breaker Sensor | On left side of engine compartment, next to engine room J/B. See Figure. |
| Crankshaft Position Sensor | On lower left front of engine. See Figure. |
| Engine Coolant Temperature Sensor | On rear of cylinder head. See Figure. |
| Front Air Bag Sensor (Left) | On left front of engine compartment, behind headlight. See Figure. |
| Front Air Bag Sensor (Right) | On right front of engine compartment, behind headlight. See Figure. |
| Fuel Pump & Fuel Sender | Under rear of vehicle, in fuel tank. See Figure. |
| Heated Oxygen Sensor (Bank 1 Sensor 1) | On left rear of engine compartment, on exhaust system. |
| Heated Oxygen Sensor (Bank 1 Sensor 2) | Below center of vehicle, on exhaust system. |
| Knock Sensor | On left side of engine. See Figure. |
| Mass Airflow Meter | On left side of engine. See Figure. |
| Side Air Bag Sensor (Left) | At base of left "B" pillar, behind trim. See Figure. |
| Side Air Bag Sensor (Right) | At base of right "B" pillar, behind trim. See Figure. |
| Steering Shaft Torque Sensor | On rear of engine compartment. See Figure. |
| Throttle Position Sensor | On throttle body. See Figure. |
| Vacuum Sensor (HC Absorber & Catalyst System) | On left front of engine. See Figure. |
| Vapor Pressure Sensor | Under left rear of vehicle. See Figure. |
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.