P1168 2002 NISSAN ALTIMA SEDAN - Closed Loop Control Function Bank 2
Repair Importance Level: 3/3
Repair Difficulty Level:
2/3
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.
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