P0031 Diagnostic Trouble Code Discussion for August 2014
Air Fuel Sensor (Bank 1 Sensor 1) Heater Control Circuit Low Voltage
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| Help Request | Posted | |
| 2003 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K63 P0031: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Low Input. Came in with the p0031 so we checked the heater and it was open. Replaced it with a denso which had around 8 ohms. It flagged the code right away so we checked the heater operation and it worked so relay and fuse are out of our equation. We then decided that t... |
August 14, 2014 | |
| 2004 Toyota Tundra SR5 3.4L MIL Lamp on VIN: 5TBBN441X4 P0031: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Low Input. seeking info on testing both circuits from and to the sensor. What to look for connector connected and disconnected |
August 27, 2014 | |
| 2004 Toyota Tundra SR5 3.4L MIL Lamp on VIN: 5TBBN441X4 P0031: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Low Input. seeking info on testing both circuits from and to the sensor. What to look for connector connected and disconnected |
August 28, 2014 |
