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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1165 (Engine Control System - Qr25DE) >> DTC P0031, P0032: Ho2S1 Heater >> Diagnostic Trouble Code (DTC) Confirmation Procedure >> Testing Condition: >> With GST

With GST

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  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 6 seconds at idle speed.
  4. Turn ignition switch OFF and wait at least 10 seconds.
  5. Start engine and run it for at least 6 seconds at idle speed.
  6. Select MODE 3 with GST.
  7. If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".