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Home >> Nissan-Datsun >> 2023 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> Basic Inspection >> Mixture Ratio Self-Learning Value Clear >> Work Procedure
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Work Procedure

Description 

This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instructions in "Diagnosis Procedure".

Work Procedure 

  1. START 
    1. SYMBOL With CONSULT:
      1. Start engine and warm it up to normal operating temperature.
      2. Select "SELF-LEARNING CONT" in "WORK SUPPORT" mode With CONSULT:
      3. Clear mixture ratio self-learning value by touching "CLEAR".
    2. SYMBOL Without CONSULT
      1. Start engine and warm it up to normal operating temperature.
      2. Turn ignition switch OFF.
      3. Disconnect mass air flow sensor harness connector.
      4. Restart engine and let it idle for at least 5 seconds.
      5. Stop engine and reconnect mass air flow sensor harness connector.
      6. Check DTC. Make sure DTC P0102 is detected.
      7. Erase the DTC P0102.
      8. Check DTC. Make sure DTC P0000 is detected.

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