LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> Engine Performance >> System >> 2004 - Engine Control System - Sedan >> Trouble Diagnosis >> DTC P0442: EVAP Control System >> DTC Confirmation Procedure >> Testing Condition:
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Testing Condition:

With CONSULT-II 

  1. Turn ignition switch ON.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  4. Make sure that the following conditions are met.
    1. COOLAN TEMP/S: 0 - 70°C (32 - 158°F) 
    2. INT/A TEMP SE: 0 - 30°C (32 - 86°F) 
  5. Select "EVAP SML LEAK P0442/P1442" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-II.

    Follow the instruction displayed.

    Fig 1: CONSULT-II Testing Sequence Screen Display
    G00732399Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: If the engine speed cannot be maintained within the range displayed on the CONSULT-II screen, go to Basic Inspection .
  6. Make sure that "OK" is displayed.

    If "NG" is displayed, Refer to Diagnostic Procedure .

    NOTE: Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.
Fig 2: CONSULT-II OK Screen Display
G00732400Courtesy of NISSAN MOTOR CO., U.S.A.

WITH GST 

NOTE: Be sure to read the explanation of Driving Pattern on Driving Pattern  before driving vehicle.
  1. Start engine.
  2. Drive vehicle according to Driving Pattern .
  3. Stop vehicle.
  4. Select "MODE 1" with GST.
    • If SRT of EVAP system is not set yet, go to the following step.
    • If SRT of EVAP system is set, the result will be OK.
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Start engine.

    It is not necessary to cool engine down before driving. 

  7. Drive vehicle again according to Driving Pattern .
  8. Stop vehicle.
  9. Select "MODE 3" with GST.
    • If P0442 is displayed on the screen, go to Diagnostic Procedure .
    • If P0441 is displayed on the screen, go to Diagnostic Procedure for DTC P0441, Diagnostic Procedure .
    • If P0441 and P0442 are not displayed on the screen, go to the following step.
  10. Select "MODE 1" with GST.
    • If SRT of EVAP system is set, the result will be OK.
    • If SRT of EVAP system is not set, go to step 6.