What is closed loop control function Bank 1?
P1148 NISSAN | Closed Loop Control Function Bank 1 | 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 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
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
How to test p1128 Bank 1 and 2?
Turn the ignition on with the scan tool actuate the sensor 1/1 heater test (for P1128 code) and 2/1 heater test (for P1129 code). With the scan tool monitor O2 sensor 1/1 (for P1128 code) and 2/1 (for P1129 code) voltage for at least two minutes. Does the voltage stay above 4.5 volts?
What happens if close loop control is not active?
If close loop control is not active by the time the enable timer has expired, the diagnostic will fail. Defaul action, MIL light is illuminate. Step 1. ECT sensor operation
P1148 NISSAN | Closed Loop Control Function Bank 1 | 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 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
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
What is the trouble code for bank 1?
The sensor this trouble code pertains to is the first sensor on bank 1 or the side of the engine where the #1 cylinder is located. The trouble code P0130 is closely related to the P0136 code in that the latter detects a similar problem but in a different location and sensor, particularly bank 1 sensor 2.
Turn the ignition on with the scan tool actuate the sensor 1/1 heater test (for P1128 code) and 2/1 heater test (for P1129 code). With the scan tool monitor O2 sensor 1/1 (for P1128 code) and 2/1 (for P1129 code) voltage for at least two minutes. Does the voltage stay above 4.5 volts?