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)ACCESSORIES & EQUIPMENTWARNING SYSTEMSTIRE AND WHEEL
2009 Toyota Yaris Base, 4D Sedan, Automatic
Tire And Wheel
2009 Toyota Yaris Base, 4D Sedan, AutomaticSECTION Tire And Wheel
- Tire And Wheel System
- Tire Pressure Warning System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Registration
- Test Mode Procedure
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- DTC Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- DTC C2111/11: Transmitter ID1 Operation Stop; DTC C2112/12: Transmitter ID2 Operation Stop; DTC C2113/13: Transmitter ID3 Operation Stop; DTC C2114/14: Transmitter ID4 Operation Stop
- DTC C2121/21: No Signal from Transmitter ID1 in Main Mode; DTC C2122/22: No Signal from Transmitter ID2 in Main Mode; DTC C2123/23: No Signal from Transmitter ID3 in Main Mode; DTC C2124/24: No Signal from Transmitter ID4 in Main Mode; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC)
- DTC C2126/26: Transmitter ID not Received in Main Mode
- DTC C2141/41: Transmitter ID1 Error; DTC C2142/42: Transmitter ID2 Error; DTC C2143/43: Transmitter ID3 Error; DTC C2144/44: Transmitter ID4 Error
- DTC C2165/65: Abnormal Temperature Inside ID1 Tire; DTC C2166/66: Abnormal Temperature Inside ID2 Tire; DTC C2167/67: Abnormal Temperature Inside ID3 Tire; DTC C2168/68: Abnormal Temperature Inside ID4 Tire
- DTC C2171/71: Transmitter ID not Registered
- DTC C2173/73: Vehicle Speed or Engine Speed Signal Malfunction
- DTC C2176/76: Receiver Error
- DTC C2191/91: Vehicle Speed Signal Error (Test Mode DTC)
- DTC C2194/94: Engine Speed Signal Error (Test Mode DTC)
- Tire Pressure Warning Light Circuit
- ECU Power Source Circuit
- TC and CG Terminal Circuit
- TIRE PRESSURE WARNING RECEIVER (for Sedan)
- TIRE PRESSURE WARNING RECEIVER (for Hatchback)
- Tire Pressure Warning Valve And Transmitter
- Tire Pressure Warning Ecu
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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.