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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1134 (Engine Control System - DTCS U1000 To P0153) >> DTC P0102, P0103 MAF Sensor >> On Board Diagnosis Logic >> Fail-Safe Mode

Fail-Safe Mode

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

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

ENGINE OPERATING CONDITION IN FAIL-SAFE MODE

Detected items Engine operating condition in fail-safe mode
Mass air flow sensor circuit Engine speed will not rise more than 2, 400 rpm due to the fuel cut.
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