LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0447 To P0850 (Qr25DE) >> DTC P0507 ISC System >> DTC Confirmation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Procedure

NOTE:
  • If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
  • If the target idle speed is out of the specified value, perform "IDLE AIR VOLUME LEARNING ", before conducting DTC Confirmation Procedure. For the target idle speed, refer to the "SERVICE DATA AND SPECIFICATIONS (SDS) ".

TESTING CONDITION: 

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and run it for at least 1 minute at idle speed.
  4. Check 1st trip DTC.
  5. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".