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Home >> Nissan-Datsun >> 2013 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> System Description >> System >> Engine Control System >> ENGINE CONTROL SYSTEM: Fail Safe >> Non DTC Related Item

Non DTC Related Item

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Detected items Engine operating condition in fail-safe mode Remarks Refer to
Malfunction indicator circuit Engine speed will not rise more than 2, 500 rpm due to the fuel cut When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means of operating fail safe function.
The fail safe function also operates when above diagnoses except MIL circuit are detected and demands the driver to repair the malfunction.
"COMPONENT FUNCTION CHECK "