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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0603 To P2A03 (Qr25DE) >> DTC P0603: ECM Power Supply >> DTC Confirmation Procedure

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.
  1. Turn ignition switch ON and wait at least 10 seconds.
  2. Turn ignition switch OFF and wait at least 5 minutes.
  3. Turn ignition switch ON and wait at least 10 seconds.
  4. Repeat steps  2 and 3 for five times.
  5. Check 1st trip DTC.
  6. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".