This code is for a bank 1 sensor 1 problem, which means your oxygen sensor is either damaged or unplugged. If you car has two oxygen sensors, this code is usually for the front one.
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
Trouble code P0134 means: HO2S (Bank 1 Sensor 1) Circuit No Activity
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
Trouble code P0134 means:O2 sensor circuit no activity detected (Bank 1 Sensor 1)
An error code P1684 from an OBDII code reader indicates that the battery had recently been disconnected. This is normal if a new battery was installed but can indicate a connection issue or grounding problem.
o2 sensor
Mass or Volume Air Flow Circuit Range/Performance Problem
You have a small "EVAP" leak. Start with replacing the fuel cap.
P0113 Intake Air Temperature Circuit High Input check the intake air temperature sensor and wiring for problems. And you can take a scan tool to repair it, I think the Nissan consult3 is a good choice.