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 230 (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 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
SENDING UNITS & SENSORS LOCATION
| Component | Component Location |
|---|---|
| ABS Speed Sensor | On respective wheels. |
| A/C Ambient Temperature Sensor | On left front of engine compartment. See Figure. |
| Accelerator Pedal Position Sensor | On throttle body. See Figure. |
| A/C Evaporator Temperature Sensor (Front) | Behind right center of dash. |
| A/C Evaporator Temperature Sensor (Rear) | On right rear of vehicle. |
| A/C Magnetic Clutch & Lock Sensor | On left front of engine compartment. See Figure. |
| A/C Room Temperature Sensor (Front) | Behind lower left center of dash. See Figure. |
| A/C Solar Sensor | On top left side of dash. See Figure. |
| Air Bag Sensor Assembly | Below front of center console. See Figure. |
| Air Bag Sensor (Front Left) | On left front of radiator support. See Figure. |
| Air Bag Sensor (Front Right) | On right side of radiator support. See Figure. |
| A/T Oil Temperature Sensor | On transmission. See Figure. |
| Automatic Light Control Sensor | On top left side of dash. See Figure. |
| Camshaft Position Sensor | On front of left cylinder head. See Figure. |
| Crankshaft Position Sensor | On lower front of engine. See Figure. |
| Engine Coolant Temperature Sensor | On right front of engine. See Figure. |
| Front Washer Motor & Washer Level Sensor | On right front of engine compartment. See Figure. |
| Fuel Pump & Sender | Inside fuel tank. See Figure. |
| Heated Oxygen Sensor (4) | On exhaust system. |
| Knock Sensor 1 | On top right side of engine. See Figure. |
| Knock Sensor 2 | On top left side of engine. See Figure. |
| Mass Airflow Meter | On right front of engine compartment. See Figure. |
| Master Cylinder Pressure Sensor No. 1 | On brake master cylinder. See Figure. |
| Master Cylinder Pressure Sensor No. 2 | On brake master cylinder. See Figure. |
| O/D Direct Clutch Speed Sensor | On transmission. See Figure. |
| Pedal Stroke Speed Sensor | On brake master cylinder. |
| Seat Belt Warning Occupant Detection Sensor | Under front passenger seat. |
| Side Air Bag Sensor (Left) | At base of left "B" pillar, behind trim panel. See Figure. |
| Side Air Bag Sensor (Right) | At base of right "B" pillar, behind trim panel. See Figure. |
| Steering Angle Sensor | Inside of steering column. See Figure. |
| Throttle Control Motor & Position Sensor | On left front of engine, on throttle body. See Figure. |
| Vapor Pressure Sensor | Under rear of vehicle. See Figure. |
| Vehicle Speed Sensor (Combination Meter) (2WD) | On transmission. See Figure. |
| Vehicle Speed Sensor (Combination Meter) (4WD) | On transmission. See Figure. |
| Vehicle Speed Sensor (Electronically Controlled Transmission) (2WD) | On transmission. See Figure. |
| Vehicle Speed Sensor (Electronically Controlled Transmission) (4WD) | On transmission. |
| Yaw Rate Sensor | Below rear of center console. 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.