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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - DTCS U0101 TO P0159 (QR25DE)DTC P0137, P0157: HO2S2DTC CONFIRMATION PROCEDURE
2012 Nissan-Datsun Sentra SE-R

DTC Confirmation Procedure

2012 Nissan-Datsun Sentra SE-RSECTION DTC Confirmation Procedure
NOTE: If DTC confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

WITH CONSULT

TESTING CONDITION: 

For the best results, perform DTC WORK SUPPORT at a temperature of 0 to 30°C (32 to 86°F)  .

  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. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
  5. Let engine idle for 1 minute.
  6. Check that "COOLAN TEMP/S" indicates more than 70°C (158°F).

    If not, warm up engine and go to next step when "COOLAN TEMP/S" indication reaches to 70°C (158°F).

  7. Open engine hood.
  8. Select "HO2S2 (B1) P1147" (for DTC P0137) "HO2S2 (B2) or P1167" (for DTC P0157) of "HO2S2" in "DTC WORK SUPPORT" mode with CONSULT.
  9. Follow the instruction of CONSULT.
    NOTE: It will take at most 10 minutes until "COMPLETED" is displayed.
  10. Check that "OK" is displayed after touching "SELF-DIAG RESULTS".

    If "NG" is displayed, refer to "DIAGNOSIS PROCEDURE ".

    If "CAN NOT BE DIAGNOSED" is displayed, perform the following.

    1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
    2. Return to step  1.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.