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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1415 (Engine Control System - VQ35DE) >> Trouble Diagnosis >> Fail-Safe Chart

Fail-Safe Chart

WARNING: This page is about a different car, the 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

When the DTC listed below is detected, the ECM enters fail-safe mode and the MIL lights up.

Fig 1: Fail-Safe Chart
G02360219Courtesy of NISSAN MOTOR CO., U.S.A.

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.

ENGINE OPERATING CONDITION

Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut