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Home >> Nissan-Datsun >> 2004 >> Sentra Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - QG18DE >> DTC P0117, P0118: ECT Sensor >> On Board Diagnosis Logic >> Fail-Safe Mode
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Fail-Safe Mode

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

Fig 1: Fail-Safe Mode Chart
G00774851Courtesy of NISSAN MOTOR CO., U.S.A.