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Home >> Infiniti >> 2004 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1229: Sensor Power Supply >> On Board Diagnosis Logic >> Fail-Safe Mode

Fail-Safe Mode

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

Fig 1: Engine Operating Condition Under Fail-Safe Mode
G00727227Courtesy of NISSAN MOTOR CO., U.S.A.