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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Controls - Self-Diagnostics - 1.8L - XE, GXE) >> Diagnostic Tests >> DTC P0442: EVAP Control System Small Leak Detected (Negative Pressure) >> DTC Confirmation Test

DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
CAUTION: Never remove fuel filler cap during DTC confirmation test.
NOTE: Before performing test, ensure fuel tank level is 1/4-3/4, EVAP-CPVCSV hoses are installed correctly and vehicle is parked on a level surface. Open hood before proceeding.

With CONSULT-II

  1. Turn ignition on. Turn ignition off and wait at least 10 seconds. Turn ignition on and select DATA MONITOR mode with CONSULT-II.
  2. Ensure the following conditions are met:
    • COOLAN TEMP/S: 32-158°F (0-70°C).
    • INT/A TEMP SE: more than -4°F (-20°C).
  3. Select EVP SML LEAK P0442/P1442 of EVAPORATIVE SYSTEM in DTC WORK SUPPORT mode with CONSULT- II. Follow instructions displayed.
    NOTE: If engine speed cannot be maintained within range displayed on CONSULT-II screen, perform BASIC INSPECTION. See ON-VEHICLE ADJUSTMENTS article.
  4. If OK is displayed on CONSULT-II, system is okay at this time. If NG is displayed, go to DIAGNOSTIC PROCEDURE  .

With Generic Scan Tool

  1. Start engine. Drive vehicle according to specified driving pattern to set System Readiness Test (SRT) codes. See SYSTEM READINESS TEST  under SELF-DIAGNOSTIC SYSTEM. Stop vehicle and go to next step.
  2. Select MODE 1 on scan tool and check SRT status of EVAP system. If EVAP system SRT is complete, system is okay at this time. If EVAP system SRT is incomplete, turn ignition off, wait at least 10 seconds and go to next step.
    3. NOTE: It is not necessary to allow engine to cool before driving vehicle.
  3. Perform driving pattern again. Select MODE 3 on scan tool. If DTC P0442 is set, go to DIAGNOSTIC PROCEDURE  . If DTC P0441 is set, go to DIAGNOSTIC PROCEDURE  under DTC P0441: EVAP CONTROL SYSTEM. If DTC P0441 or P0442 is not set, go to next step.
  4. Select MODE 1 with scan tool. If EVAP system SRT is complete, system is okay at this time. If EVAP system SRT is not complete, go to step  3 .
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