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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> 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. Refer to DIAGNOSIS DESCRIPTION .

    Is oil pressure warning lamp blinking?

    YES 

    GO TO STEP 2. 

    NO 

    GO TO STEP 5. 

  2. CHECK IPDM E/R OUTPUT VOLTAGE

    1. Turn ignition switch OFF.
    2. Disconnect the oil pressure switch connector.
    3. Turn ignition switch ON.
    4. Check voltage between the oil pressure switch harness connector terminal and ground.
      Terminals Voltage
      (Approx.)
      (+) (-)
      Oil pressure switch Ground
      Connector Terminal
      E206 1 12 V

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    GO TO STEP 4. 

  3. CHECK OIL PRESSURE SWITCH

    Perform a unit check for 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. Refer to REMOVAL AND INSTALLATION .

  4. CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT

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

    Is the inspection result normal?

    YES 

    GO TO STEP 5. 

    NO 

    Repair harness or connector.

  5. CHECK COMBINATION METER INPUT SIGNAL

    Connect CONSULT and perform an input signal check for the combination meter. Refer to COMPONENT FUNCTION CHECK .

    Is the inspection result normal?

    YES 

    Replace combination meter. Refer to REMOVAL AND INSTALLATION .

    NO 

    Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .