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Home >> Infiniti >> 2011 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator -- G37 Convertible >> Symptom Diagnosis >> The Oil Pressure Warning Lamp Does Not Turn Off >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK OIL PRESSURE WARNING LAMP

    Perform auto active test of IPDM E/R. Refer to "DIAGNOSIS DESCRIPTION ".

    Is oil pressure warning lamp illuminated? 

    YES: Go to 2.

    NO: Go to  5.

  2. CHECK IPDM E/R OUTPUT VOLTAGE
    1. Disconnect the oil pressure switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between the oil pressure switch harness connector terminal and ground.
      VOLTAGE REFERENCE CHART

      Terminals Voltage (Approx.)
      (+) (-)
      Oil pressure switch
      Connector Terminal
      F37 1 Ground 12 V

      Is the inspection result normal? 

      YES: Go to 3.

      NO: Go to  4.

  3. CHECK OIL PRESSURE SWITCH

    Check the oil pressure switch. Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace oil pressure switch.

  4. CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT

    Check the oil pressure switch signal circuit. Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair harness or connector.

  5. CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
    1. Connect the CONSULT-III.
    2. Select the "Data Monitor" of the "METER/M&A" and check the "OIL W/L" monitor value. Refer to "COMPONENT FUNCTION CHECK ".

      Is the inspection result normal? 

      YES: Replace combination meter.

      NO: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".