Oil Pressure Check

WARNING:

Be careful not to burn yourself, as the engine oil may be hot.
For M/T models, put gearshift lever in Neutral position "N" position. For A/T models, put selector lever in Park "P" position.

Check the oil level.

Fig 1: Identifying Drain Plug Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the under cover.
Remove the oil pressure switch to connect the oil pressure gauge.
After warming up the engine, check that oil pressure corresponding to the engine speed is produced.
Engine oil pressure [Oil temperature is 80°C (176°F)]

Fig 2: Identifying Engine Oil Pressure Testing Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.
After checking, install the oil pressure switch as follows:
1. Remove the old thread sealant adhering to the switch and engine.
2. Apply thread sealant. Tighten the switch to specification.
  Use Genuine High Performance Thread Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS".
  
  Oil pressure switch: 12.3 - 17.2 N.m (1.25 - 1.75 kg-m, 10 - 12 ft-lb)