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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Engine Controls Self-Diagnostics - Pathfinder) >> Diagnostic Tests >> DTC P0139: Bank 1 Heated Oxygen Sensor 2 Circuit - Slow Response Or DTC P0159: Bank 2 Heated Oxygen Sensor 2 Circuit - Slow Response >> DTC Confirmation Test (Using CONSULT-II)

DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC confirmation procedure had been previously run, turn ignition off and wait at least 10 seconds before continuing.
  1. Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds. Turn ignition on. Select DATA MONITOR mode with CONSULT-II. Ensure COOLAN TEMP/S indicates more than 158°F (70°C).
  2. Select HO2S 2 (B1)/(B2) P0139/P0159 of HO2S 2 in DTC WORK SUPPORT mode with CONSULT-II. Start engine. Follow instructions on CONSULT-II screen.
  3. Press SELF-DIAG RESULTS. If OK is displayed, system is okay at this time. If NG is displayed, go to DIAGNOSTIC PROCEDURE . If CANNOT BE DIAGNOSED is displayed, go to next step.
  4. Stop engine. Allow engine to cool until COOLAN TEMP/S indicates less than 158°F (70°C). Turn ignition on. Select DATA MONITOR mode with CONSULT-II. Start engine. When COOLAN TEMP/S reaches 158°F (70°C), return to step  2.
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