3. Check Oil Pressure Sensor Power Supply Circuit

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.

Turn ignition switch OFF.
Disconnect combination connector M24.
Check continuity between combination meter harness connector M24 terminal 22 (GR/L) and oil pressure sensor harness connector F4 terminal 1 (GR/L).
- Continuity : Should exist
Check continuity between combination meter harness connector M24 terminal 22 (GR/L) and ground.
- Continuity : Should not exist

OK or NG

OK >> GO TO 4.

NG >> Repair harness or connector.

Fig 1: Identifying Combination Meter & Oil Pressure Sensor Test Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.