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Oil Pressure Sensor Inspection

  1. CHECK OIL PRESSURE SENSOR SIGNAL 
    1. Turn ignition switch ON.
    2. Check voltage between triple meter harness connector M99 terminal 10 and ground.
      TRIPLE METER CONNECTOR VOLTAGE

      Terminals Condition Voltage (Approx.)
      (+) (-)
      Connector Terminal
      M99 10 Ground When ignition switch is in ON position. (Engine stopped.) 0.5V
      Engine running. [When the oil pressure is 60 psi (4.22 kg/cm2 )] 2.5V
      Fig 1: Checking Voltage Between Triple Meter Connector M99 Terminal 10 And Ground
      G04171129Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace triple meter. Refer to , "TRIPLE METER ".

    NG: GO TO 2.

  2. CHECK OIL PRESSURE SENSOR POWER SUPPLY 

    Check voltage between triple meter harness connector M99 terminal 9 and ground.

    OK or NG 

    OK: GO TO 3.

    NG: Replace triple meter. Refer to , "TRIPLE METER ".

    Fig 2: Checking Voltage Between Triple Meter Connector M99 Terminal 9 And Ground
    G04171130Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK OIL PRESSURE SENSOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect triple meter and oil pressure sensor connectors.
    3. Check continuity between triple meter harness connector M99 terminal 9 and oil pressure sensor harness connector F106 terminal 1.

      Continuity should exist. 

      Fig 3: Checking Continuity Between Triple Meter Connector M99 Terminal 9 And Oil Pressure Sensor Connector F106 Terminal 1
      G04171131Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between triple meter harness connector M99 terminal 9 and ground.

      Continuity should not exist. 

    OK or NG 

    OK: GO TO 4.

    NG: Repair harness or connector between triple meter and oil pressure sensor.

  4. CHECK OIL PRESSURE SENSOR SIGNAL CIRCUIT 
    1. Check continuity between triple meter harness connector M99 terminal 10 and oil pressure sensor harness connector F106 terminal 2.

      Continuity should exist. 

    2. Check continuity between triple meter harness connector M99 terminal 10 and ground.

      Continuity should not exist. 

      Fig 4: Checking Continuity Between Triple Meter Connector M99 Terminal 10 And Oil Pressure Sensor Connector F106 Terminal 2
      G04171132Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 5.

    NG: Repair harness or connector between triple meter and oil pressure sensor.

  5. CHECK OIL PRESSURE SENSOR GROUND CIRCUIT 

    Check continuity between triple meter harness connector M99 terminal 11 and oil pressure sensor harness connector F106 terminal 3.

    Continuity should exist. 

    OK or NG 

    OK: Replace oil pressure sensor.

    NG: Repair harness or connector between triple meter and oil pressure sensor.

    Fig 5: Checking Continuity Between Triple Meter Connector M99 Terminal 11 And Oil Pressure Sensor Connector F106 Terminal 3
    G04171133Courtesy of NISSAN MOTOR CO., U.S.A.
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