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 MANUALSTOYOTA2009YARIS BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORSENDING UNITS & SENSORS
2009 Toyota Yaris Base, 4D Sedan, Automatic
Sending Units & Sensors
2009 Toyota Yaris Base, 4D Sedan, AutomaticSECTION Sending Units & Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| Accelerator Position Sensor (Hatchback) | Accelerator pedal assembly. See Figure. |
| Accelerator Position Sensor (Sedan) | Accelerator pedal assembly. See Figure. |
| A/C Pressure Sensor (Hatchback) | Left front of engine. See Figure. |
| A/C Pressure Sensor (Sedan) | Left front of engine. See Figure. |
| Airbag Sensor Assembly Center (Hatchback) | Center of dash. See Figure. |
| Airbag Sensor Assembly Center (Sedan) | Center of dash. See Figure. |
| Airbag Sensor (Front LH) (Hatchback) | Left front of engine compartment. See Figure. |
| Airbag Sensor (Front LH) (Sedan) | Left front of engine compartment. See Figure. |
| Airbag Sensor (Front RH) (Hatchback) | Right front of engine compartment. See Figure. |
| Airbag Sensor (Front RH) (Sedan) | Right front of engine compartment. See Figure. |
| Airbag Sensor (Rear LH) (3-Door) | Near base of "C" pillar. See Figure. |
| Airbag Sensor (Rear LH) (4-Door) | Near base of "C" pillar. See Figure. |
| Airbag Sensor (Rear LH) (5-Door) | Near base of "C" pillar. See Figure. |
| Airbag Sensor (Rear RH) (3-Door) | Near base of "C" pillar. See Figure. |
| Airbag Sensor (Rear RH) (4-Door) | Near base of "C" pillar. See Figure. |
| Airbag Sensor (Rear RH) (5-Door) | Near base of "C" pillar. See Figure. |
| Air Fuel Ratio Sensor (Bank 1 Sensor 1) (Hatchback) | Right side of engine, in exhaust pipe. See Figure. |
| Air Fuel Ratio Sensor (Bank 1 Sensor 1) (Sedan) | Left front of engine compartment. See Figure. |
| Ambient Temp. Sensor (Hatchback) | Behind front grille. See Figure. |
| Ambient Temp. Sensor (Sedan) | Behind front grille. See Figure. |
| Camshaft Position Sensor | Rear of engine. See Figure. |
| Crankshaft Position Sensor (Hatchback) | Front of engine. See Figure. |
| Crankshaft Position Sensor (Sedan) | Front of engine. See Figure. |
| Engine Coolant Temp. Sensor (Hatchback) | Top rear of engine. See Figure. |
| Engine Coolant Temp. Sensor (Sedan) | Top rear of engine. See Figure. |
| Knock Control Sensor (Bank 1) (Hatchback) | Left side of engine. See Figure. |
| Knock Control Sensor (Bank 1) (Sedan) | Left side of engine. See Figure. |
| Mass Airflow Meter (Hatchback) | Air intake assembly. See Figure. |
| Mass Air Flow Meter (Sedan) | Air intake assembly. See Figure. |
| Occupant Classification Sensor (Front LH) (3-Door) | Front driver's seat. See Figure. |
| Occupant Classification Sensor (Front LH) (4-Door) | Front driver's seat. See Figure. |
| Occupant Classification Sensor (Front LH) (5-Door) | Front driver's seat. See Figure. |
| Occupant Classification Sensor (Front RH) (3-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Front RH) (4-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Front RH) (5-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Rear LH) (3-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Rear LH) (4-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Rear LH) (5-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Rear RH) (3-Door) | Front passenger's seat. See Figure. |
| Occupant Classification Sensor (Rear RH) (5-Door) | Front passenger's seat. See Figure. |
| Oxygen Sensor (Bank 1 Sensor 2) (Hatchback) | Exhaust, after catalytic converter. See Figure. |
| Oxygen Sensor (Bank 1 Sensor 2) (Sedan) | Exhaust, after catalytic converter. See Figure. |
| Power Steering Torque Sensor (Hatchback) | Steering gear. See Figure. |
| Power Steering Torque Sensor (Sedan) | Steering gear. See Figure. |
| Side Airbag Sensor (LH) (3-Door) | Near base of "B" pillar. See Figure. |
| Side Airbag Sensor (LH) (4-Door) | Near base of "B" pillar. See Figure. |
| Side Airbag Sensor (LH) (5-Door) | Near base of "B" pillar. See Figure. |
| Side Airbag Sensor (RH) (3-Door) | Near base of "B" pillar. See Figure. |
| Side Airbag Sensor (RH) (4-Door) | Near base of "B" pillar. See Figure. |
| Side Airbag Sensor (RH) (5-Door) | Near base of "B" pillar. See Figure. |
| Speed Sensor (Front LH) | Left front hub assembly. See Figure. |
| Speed Sensor (Front RH) | Fight front hub assembly. See Figure. |
| Speed Sensor (Front RH) (Sedan) | Fight front hub assembly. See Figure. |
| Speed Sensor (Hatchback) | Transaxle. See Figure. |
| Speed Sensor (Rear LH) (3-Door) | Left rear hub assembly. See Figure. |
| Speed Sensor (Rear LH) (4-Door) | Left rear hub assembly. See Figure. |
| Speed Sensor (Rear LH) (5-Door) | Left rear hub assembly. See Figure. |
| Speed Sensor (Rear RH) (3-Door) | Right rear hub assembly. See Figure. |
| Speed Sensor (Rear RH) (4-Door) | Right rear hub assembly. See Figure. |
| Speed Sensor (Rear RH) (5-Door) | Right rear hub assembly. See Figure. |
| Speed Sensor (Sedan) | Transaxle. See Figure. |
| Speed Sensor (Turbine) (Hatchback) | Transaxle. See Figure. |
| Speed Sensor (Turbine) (Sedan) | Transaxle. 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.