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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2412 (Engine Control System - DTCS U0101 To P0183 (VQ40DE)) >> DTC P0037, P0038, P0057, P0058: Ho2S2 Heater >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
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 between 10.5V and 16V at idle  .

WITH CONSULT

  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
  2. Start engine and warm it up to the normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Turn ignition switch ON.
  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. Check 1st trip DTC.
  9. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".

WITH GST

Follow the procedure "WITH CONSULT" above.

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