When the oil sensor signal fault occurs, refer to the DTC guide.
Drain the engine oil.
Remove the oil level sensor (A) from the oil pan after disconnecting the connector.
Tightening torque:
8.8 ~ 9.8N.m (0.9 ~ 1.0kgf.m, 6.5 ~ 7.2lb-ft)
Installation is reverse order of removal, with a new gasket.