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 56 (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 Tundra. However, it is still accessible from the selected car via links, so may be relevant.
SENDING UNITS & SENSORS LOCATION
| Component | Component Location |
|---|---|
| ABS Speed Sensors (Front) | Mounted on respective wheel hub. |
| ABS Speed Sensor (Rear) | On left side of rear axle. |
| ACCEL Position Sensor (4.7L) | On right front of engine. See Figure. |
| A/C Magnetic Clutch & Lock Sensor (4.7L) | On A/C compressor, on left side of engine. See Figure. |
| A/C Thermistor | Under right side of dash, in HVAC housing. See Figure. |
| Air/Fuel Ratio Sensor (Bank 1 Sensor 1) (A/T) (3.4L) | On exhaust system. See Figure. |
| Air/Fuel Ratio Sensor (Bank 1 Sensor 1) (M/T) (3.4L) | On exhaust system. See Figure. |
| A/T Oil Temperature Sensor (3.4L) | On transmission. See Figure. |
| A/T Oil Temperature Sensor (4.7L) | On transmission. See Figure. |
| Camshaft Position Sensor (3.4L) | On right front of engine. See Figure. |
| Camshaft Position Sensor (4.7L) | On left front of engine. See Figure. |
| Center Air Bag Sensor Assembly | Behind lower center of dash, on transmission tunnel. See Figure. |
| Crankshaft Position Sensor (3.4L) | On left front of engine. See Figure. |
| Crankshaft Position Sensor (4.7L) | On left front of engine. See Figure. |
| Engine Coolant Temperature Sensor (3.4L) | On top center of engine. See Figure. |
| Engine Coolant Temperature Sensor (4.7L) | On right front of engine. See Figure. |
| Front Air Bag Sensor (Left) (3.4L) | On front left side of engine compartment, behind headlight. See Figure. |
| Front Air Bag Sensor (Left) (4.7L) | On front left side of engine compartment, behind headlight. See Figure. |
| Front Air Bag Sensor (Right) (3.4L) | On front right side of engine compartment, behind headlight. See Figure. |
| Front Air Bag Sensor (Right) (4.7L) | On front right side of engine compartment, behind headlight. See Figure. |
| Fuel Pump & Sender | In fuel tank. |
| Heated Oxygen Sensor (Bank 1 Sensor 2) (3.4L) | On exhaust system. |
| Heated Oxygen Sensor (Bank 1 Sensor 1) (4.7L) | On exhaust system. See Figure. |
| Heated Oxygen Sensor (Bank 1 Sensor 2) (4.7L) | On exhaust system. See Figure. |
| Heated Oxygen Sensor (Bank 2 Sensor 1) (4.7L) | On exhaust system. See Figure. |
| Heated Oxygen Sensor (Bank 2 Sensor 2) (4.7L) | On exhaust system. See Figure. |
| Knock Sensor 1 (3.4L) | On right side of engine, under intake plenum. See Figure. |
| Knock Sensor 1 (4.7L) | On left side of engine, under intake plenum. See Figure. |
| Knock Sensor 2 (3.4L) | On left side of engine, under intake plenum. See Figure. |
| Knock Sensor 2 (4.7L) | On right side of engine, under intake plenum. See Figure. |
| Mass Airflow Meter (3.4L) | On right side of engine compartment, on air cleaner housing. See Figure. |
| Mass Airflow Meter (4.7L) | On right side of engine compartment, on air cleaner housing. See Figure. |
| O/D Direct Clutch Speed Sensor (4.7L) | On left side of transmission. See Figure. |
| Throttle Position Sensor (3.4L) | On throttle body assembly. See Figure. |
| Throttle Position Sensor (4.7L) | On throttle body assembly. See Figure. |
| Vapor Pressure Sensor (3.4L) | In left rear corner of engine compartment, near brake master cylinder. See Figure. |
| Vapor Pressure Sensor (4.7L) | In left rear corner of engine compartment, near brake master cylinder. See Figure. |
| Vehicle Speed Sensor (Combination Meter) (3.4L) | On transmission. See Figure. |
| Vehicle Speed Sensor (Combination Meter) (4.7L) | On transmission. See Figure. |
| Vehicle Speed Sensor (Electronically Controlled Transmission) (3.4L) | On transmission. See Figure. |
| Vehicle Speed Sensor (Electronically Controlled Transmission) (4.7L) | On transmission. See Figure. |
| Washer Level Sensor (3.4L) | In right front corner of engine compartment, behind headlight. See Figure. |
| Washer Level Sensor (4.7L) | In right front corner of engine compartment, behind headlight. See Figure. |
| Water Temperature Sender (3.4L) | On rear of engine. See Figure. |
| Water Temperature Sender (4.7L) | On right front of engine. See Figure. |
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.