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P1031 Diagnostic Trouble Code Discussion for February 2011

Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1031
Help Request Posted
2005 Infiniti FX35 3.5L MIL Lamp on VIN: JNRAS08U55
P1031: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage. This car came in with all 4 of these codes in computer, We had computer reprogrammed and replaced both sensors but the engine light comes on within a minute of running. We performed a pin test at the connectors and all pins seem to be in specs accept pin #4 we...
February 07, 2011