What is the closed loop system?

What is the 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.

What causes a Nissan P1168 to malfunction?

P1168 NISSAN Possible Causes For Models 2005 and up: Faulty Air Fuel Ratio Sensor 1 Bank 2 Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection For Models before 2005: Faulty Heated Oxygen Sensor 1 Bank 2 Heated Oxygen Sensor 1 Bank 2 harness is open or shorted

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 is the p1148 code on my Murano?

I have a p1148 and p1168 code on my 2009 Nissan Murano and… I have a p1148… I have a p1148 and p1168 code on my 2009 Nissan Murano and don’t know where the sensors are located Mechanic’s Assistant: Which particular sensor are you asking about? And have any trouble codes been triggered? Mechanic’s Assistant: Are you fixing your Murano yourself?

What does the P1168 OBDII code mean?

2004 Nissan Armada 2004 Nissan Titan 2004 Nissan Armada/Titan Factory Service Bulletin P1168 OBDII Code What does this mean? Cost of diagnosing the P1168 NISSAN code Labor: 1.0 The cost of diagnosing the P1168 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type.

What does the P1168 code on a Nissan mean?

P1168 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 p1148 and p0031 in Nissan Versa?

P1148 is a Closed Loop Control Function in Bank 1. P0031 is Air Fuel Ratio Sensor 1 Heater Bank 1 Control Circuit Low I would Imagine these two are related. I did book an appointment at Nissan, for Friday, before I had access to a code reader, But I would like to try and do it on my own if it were possible.

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

When to set code p1148 on Nissan Altima?

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. The image below shows one example of an air/fuel ratio sensor that is suitable for use on a late model Nissan Altima.