LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P2080: Exhaust Gas Temperature Sensor >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  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.

    TEST CONDITION:

    Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

    GO TO STEP 2  .

  2. PERFORM DTC CONFIRMATION PROCEDURE

    G-20 With CONSULT

    1. Turn ignition switch ON.
    2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
    3. Start the engine and warm it up to normal operating temperature.
    4. Maintain the following conditions for at least 120 consecutive seconds.
      CAUTION:

      Always drive vehicle in safe manner and obey all traffic laws.

      NOTE:

      Keep the accelerator pedal as steady as possible during cruising.

      COOLANT TEMP/S More than 65°C (149°F)
      INT/A TEMP SE
      • More than 0°C (32°F)
      • Less than 50°C (122°F)
      VHCL SPEED SE More than 90 - 100 km/h (56 - 62 MPH)
      NOTE:

      Keep the accelerator pedal as steady as possible during cruising.

    5. Check 1st trip DTC.

    NSM020 With GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END