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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0430 >> DTC P0102, P0103: MAF Sensor >> On Board Diagnosis Logic >> Fail-Safe Mode

Fail-Safe Mode

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

ENGINE OPERATING CONDITION IN FAIL-SAFE MODE REFERENCE

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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