P1168 2002 NISSAN ALTIMA SEDAN - Closed Loop Control Function Bank 2
Repair Importance Level:
Repair Difficulty Level:
Possible causes
- Faulty Heated Oxygen Sensor 1 Bank 2
- Heated Oxygen Sensor 1 Bank 2 harness is open or shorted
- Heated Oxygen Sensor 1 Bank 2 circuit poor electrical connection
When is the 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.Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1168 2002 Nissan Altima Sedan Description
The Engine Control Module (ECM) performs ON/OFF duty control of the Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Heated Oxygen Sensor 1 element at the specified range.