LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1211 To P2A03 >> DTC P1421 Cold Start Control >> DTC Confirmation Procedure >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Procedure: Notes

NOTE:
  • If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next step.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.