Is a closed loop system?
A closed loop control system is a set of mechanical or electronic devices that automatically regulates a process variable to a desired state or set point without human interaction. Unlike open loop control systems or switchable control loops, closed loops don’t take input from human operators.
When is the p1148 Nissan code detected?
Most auto repairs shops charge between $75 and $150 per hour. When is the P1148 NISSAN code detected? 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.
What causes the p1148 function to stop working?
There are far too many possible causes of P1148 to list them all here, but as a general rule, problems such as damaged, burnt, shorted, disconnected, or corroded wiring and connectors form the bulk of possible causes.
When does the PCM set the code p1148?
When this happens, the PCM sets code P1148, and illuminates a warning light. Note that on Nissan/Infiniti applications, this code is set on the first fault cycle.
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
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 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
How much does it cost to repair a p1148 Nissan?
The cost of diagnosing the P1148 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P1148 NISSAN code detected?
What does the p1031 code on a Nissan mean?
P1031 NISSAN Meaning The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) Sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F Sensor 1 element at the specified range.