DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If fuel filler cap was removed, fuel tank was filled/drained or any EVAP control system parts were removed, wait at least one hour before performing DTC confirmation test.

NOTE: Before proceeding, ensure battery voltage is more than 11 volts at idle.

Turn ignition on. Select DATA MONITOR mode with CONSULT-II.
Ensure the following conditions are met:
- FUEL LEVEL SE: 0.25-1.15 volts.
- COOLAN TEMP/S: 32-90°F (0-32°C).
- FUEL T/TMP SE: 32-95°F (0-35°C).
- INT A/TEMP SE: more than 32°F (0°C).
If all conditions are met, go to next step. If all conditions are not met, turn ignition off, and allow vehicle to cool. Or, drain/refill fuel until FUEL LEVEL SE indicates 0.25-1.15 volts. Wait at least one hour, then go to step 1 .
Turn ignition off and wait at least 5 seconds. Turn ignition on. Select EVP V/S LEAK P0456/P1456 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.
If OK is displayed on CONSULT-II, system is okay at this time. If NG is displayed, go to DIAGNOSTIC PROCEDURE .