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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1052 (Engine Control System) >> DTC P0037, P0038, P0057, P0058 Ho2S2: Heater >> DTC Confirmation Procedure >> Testing Condition: >> With GST

With GST

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to the normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start the engine and keep the engine speed between 3,500 RPM and 4,000 RPM for at least 1 minute under no load.
  4. Let engine idle for 1 minute.
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Start the engine and keep the engine speed between 3,500 RPM and 4,000 RPM for at least 1 minute under no load.
  7. Let engine idle for 1 minute.
  8. Select MODE 3 with GST.
  9. 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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