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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 P0455: EVAP Control System Gross Leak Detected >> 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, always turn ignition off and wait at least 10 seconds before performing the next test.

With CONSULT-II

  1. Tighten fuel filler cap securely until ratcheting sound is heard. Turn ignition on. Turn ignition off and wait at least 10 seconds. Turn ignition on. 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: 32-140°F (0-60°C).
  3. Select EVAP 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, system is okay at this time. If NG is displayed, press SELF-DIAG RESULTS. If EVAP GROSS LEAK [P0455] is displayed, go to DIAGNOSTIC PROCEDURE  . If P0442 is displayed, go to DIAGNOSTIC PROCEDURE  under DTC P0442: EVAP CONTROL SYSTEM.

With Generic Scan Tool

  1. Drive vehicle according to specified driving pattern to set System Readiness Test (SRT) codes. See SYSTEM READINESS TEST  under SELF-DIAGNOSTIC SYSTEM.
  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. Stop vehicle and select MODE 3 on scan tool.
    • If DTC P0455 is displayed, go to DIAGNOSTIC PROCEDURE  .
    • If DTCs P0442 or P1442 is displayed, go to DIAGNOSTIC PROCEDURE  under DTC P0442: EVAP CONTROL SYSTEM.
    • If DTC P0441 is displayed, go to DIAGNOSTIC PROCEDURE  under DTC P0441: EVAP CONTROL SYSTEM.
    • If DTCs P0441, DTC P0442, DTC P0455 or DTC P1442 is not displayed, go to next step.
  4. Select MODE 1 on scan tool. If EVAP system SRT is complete, system is okay at this time. If EVAP system SRT is incomplete, go to step  2 .
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