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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1134 (Engine Control System - DTCS U1000 To P0153) >> DTC P0037, P0038, P0057, P0058 Ho2S2 Heater >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2008 Nissan Maxima. 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  .

  1. Start engine and warm it up to the normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON.
  4. Turn ignition switch OFF and wait at least 10 seconds.
  5. Start the engine and keep the engine speed between 3, 500 rpm and 4, 000 rpm for at least 1 minute under no load.
  6. Let engine idle for 1 minute.
  7. Check 1st trip DTC.
  8. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "
    Fig 1: CONSULT-III Display - Data Monitor
    G04900167Courtesy of NISSAN MOTOR CO., U.S.A.