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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 7) >> Engine (ECM) >> DTC P0087: FRP Control System >> Confirmation Procedure
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Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P0090, P1197, P0190, P119A, P119B, P119C, P020x, or P062B, first perform the trouble diagnosis of DTC P0090, P1197, P0190, P119A, P119B, P119C, P020x, or P062B.

    Is applicable DTC detected?

    YES

    Perform the diagnosis of the applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK FUEL LEAKAGE 
    1. Turn ignition switch ON.
    2. Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
    3. Start the engine.
    4. Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.

    Is inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace error-detected parts.

  3. PRECONDITIONING 

    If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION:

    • Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
    • Before performing the following procedure, check that the fuel tank is 1/8 full of fuel.

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE-I 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLAN TEMP/S".
    3. Check the following condition;

      COOLAN TEMP/S

      -12 - 40 deg.C (10.4 - 104 deg.F)

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is the condition satisfied?

    YES

    GO TO 5.

    NO

    1. Satisfy the condition.
    2. Retry from step 1.
  5. PERFORM DTC CONFIRMATION PROCEDURE-II 
    1. Start the engine and let it idle for 10 seconds.
    2. Check 1st trip DTC.

    Is DTC P0087 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    GO TO 6.

  6. PERFORM DTC CONFIRMATION PROCEDURE-III 

    SYMBOL With CONSULT

    1. On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLAN TEMP/S".
    2. Maintain the following condition for 10 seconds or more at idle.

      COOLAN TEMP/S

      70 deg.C (158 deg.F) or more

    3. Check 1st trip DTC.

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is DTC P0087 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END