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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (2 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. 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: 

    • Perform "DTC CONFIRMATION PROCEDURE" when the fuel level is between 1/4 and 3/4 full, and vehicle is placed on flat level surface. 
    • Always perform test at a temperature of 5 to 60°C (41 to 140°F). 
    • Cool the vehicle so that engine coolant temperature becomes same level as ambient temperature. 

    Do you have CONSULT

    YES 

    GO TO STEP 2  .

    NO 

    GO TO STEP 4  .

  2. PERFORM DTC CONFIRMATION PROCEDURE A

    G-20With CONSULT 

    1. Turn ignition switch ON.
    2. Check that the following condition are met.

      FUEL T/TMP SE: 0 - 35°C (32 - 95°F)

    3. Start engine and wait at least 60 seconds.
    4. Check 1st trip DTC.

    IS 1st trip DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    GO TO STEP 3  .

  3. PERFORM DTC CONFIRMATION PROCEDURE B

    G-20With CONSULT 

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Turn ignition switch ON.
    6. Select "PURG VOL CN/V P1444" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT.
    7. Touch "START".
    8. Start engine and let it idle until "TESTING" on CONSULT changes to "COMPLETED". (It will take approximately 10 seconds.)

      If "TESTING" is not displayed after 5 minutes, retry from step 2. 

    9. Touch "SELF-DIAG RESULTS".

    Which is displayed on CONSULT screen?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  4. PERFORM DTC CONFIRMATION PROCEDURE A

    NSM020With GST 

    1. Turn ignition switch ON.
    2. Set voltmeter probes to ECM harness connector terminals.
      ECM Voltage (V)
      Connector + -
      Terminal
      E32 128 148 3.1 - 4.0
    3. Start engine and wait at least 60 seconds.
    4. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    GO TO STEP 5  .

  5. PERFORM DTC CONFIRMATION PROCEDURE B

    NSM020With GST 

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Start engine and let it idle for at least 20 seconds.
    6. Check 1st trip DTC.

    Is 1st trip DTC displayed?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END

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