What is a P1148 code?
|P1148 Possible Causes Faulty Heated Oxygen Sensor 1 Bank 1. Heated Oxygen Sensor 1 Bank 1 circuit is open or shorted. Heated Oxygen Sensor 1 Bank 1 circuit electrical connection.
What is the OBD 2 fault code p1148?
OBD II fault code P1148 is a manufacturer specific code that is defined by car makers Nissan and Infinity as “Closed Loop Control Function Bank 1”, and on these applications, code P1148 is set when the PCM (Powertrain Control Module) detects a condition relating to an air/fuel ratio sensor that prevents it (the PCM) from entering closed loop …
What does the p1148 Nissan ECM code mean?
P1148 NISSAN Meaning. The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 element at the specified range.
What does a deviation from the p1148 mean?
Provided that all the above conditions are met, this deviation can indicate either a lean -, or rich running condition, depending on operating conditions such as engine load and speed.
What does closed loop control function p1148 mean?
The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when vehicle is driving in the specified condition. P1148 NISSAN Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1148 NISSAN Meaning
OBD II fault code P1148 is a manufacturer specific code that is defined by car makers Nissan and Infinity as “Closed Loop Control Function Bank 1”, and on these applications, code P1148 is set when the PCM (Powertrain Control Module) detects a condition relating to an air/fuel ratio sensor that prevents it (the PCM) from entering closed loop
P1148 NISSAN Meaning. The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 element at the specified range.
Provided that all the above conditions are met, this deviation can indicate either a lean -, or rich running condition, depending on operating conditions such as engine load and speed.
The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when vehicle is driving in the specified condition. P1148 NISSAN Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1148 NISSAN Meaning