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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0031, P0032, P0051, P0052: Ho2S1 Heater >> DTC Confirmation Procedure >> With GST

With GST

  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  .
    • When using GST, DTC Confirmation Procedure should be performed twice as much as when using CONSULT-II because GST cannot display MODE 7 (1st trip DTC) concerning this diagnosis. Therefore, using CONSULT-II is recommended. 
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