FixVault

1. Check Oil Pressure Sensor Signal

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON.
  2. Check voltage between combination meter harness connector M24 terminal 20 (Y) and ground.
Fig 1: Test Specifications
G00723617Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Identifying Combination Meter Test Terminal
G00723618Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK >> Replace combination meter.

NG >> GO TO 2.