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Home >> Nissan-Datsun >> 2024 >> Frontier SL, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Symptom Diagnosis >> Idle Start/Stop System Inoperative >> Diagnosis Procedure

Diagnosis Procedure

NOTE: SYMBOL Check the idle start/stop system operation condition. Refer to System Description .
  1. CHECK START/STOP PROHIBIT CAUSE 

    SYMBOL With CONSULT: Select "Start/Stop prohibit cause data recorder" in "WORK SUPPORT" mode of "ENGINE" using CONSULT.

    Does "Start/Stop prohibit cause data recorder" show fail-safe?

    >>

    GO TO 2.

    >>

    Check the operating status of system start/stop. Refer to System Description . After confirmation, go to 4.

  2. CHECK "Start/Stop error" OF CONSULT DATA MONITOR ITEM 

    SYMBOL With CONSULT

    1. Select "Start/Stop error" in "Monitor Menu" of "DATA MONITOR" mode in CONSULT.
    2. Check the displayed data monitor items. Refer to CONSULT Function .

    Are there any "NG" monitor items?

    >>

    After confirming the "NG" item, go to 3.

    >>

    GO TO 3.

  3. CHECK DTC 

    SYMBOL With CONSULT: Perform "All DTC Reading" with CONSULT.

    Does it detect the DTC associated with "Start/Stop error" of "DATA MONITOR"?

    >>

    Perform trouble diagnosis of detected DTC. After repairing the defective part, go to 4.

    >>

    GO TO 4.

  4. CHECK START/STOP INDICATOR / LAMP 

    Check the start/stop indicator / lamp.

    WARNING LAMP/INDICATOR LAMP / INDICATOR CONDITION
    Start/Stop indicator / lamp Not blinking

    Is the start/stop indicator / lamp blinking?

    >>

    Refer to Symptom Table .

    >>

    INSPECTION END

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