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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Engine Controls Self-Diagnostics - Pathfinder & QX4) >> Diagnostic Tests >> DTC P0505: Idle Speed Control System >> DTC Confirmation Test

DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If target idle speed is not 625-725 RPM (A/T) or 575-675 RPM (M/T), perform idle air volume learning before proceeding. See IDLE AIR VOLUME LEARNING  under PROGRAMMING.
NOTE: Before proceeding, ensure battery voltage is more than 11 volts with ignition on. If DTC confirmation procedure had been previously run, turn ignition off and wait at least 10 seconds before continuing.
  1. Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds. Turn ignition on. Perform idle air volume learning, see IDLE AIR VOLUME LEARNING  under PROGRAMMING.
  2. Turn ignition off and wait at least 10 seconds. Turn ignition on. Select DATA MONITOR mode with CONSULT-II.
    3. NOTE: Do not allow engine speed to run at more than 3000 RPM during this step.
  3. Start engine let it idle for at least one minute. Raise engine speed to 2500 RPM for 3 seconds, then allow to idle for 3 seconds.
  4. Turn ignition off and wait at least 10 seconds. Turn ignition on. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.
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