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Home >> Infiniti >> 2002 >> QX4 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - Pathfinder & QX4 >> Self-Diagnostic System >> Fail-Safe Modes >> Notes
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Fail-Safe Modes: Notes

ECM enters a fail-safe mode if certain malfunctions are detected due to an open or short circuit. When ECM enters fail-safe mode, MIL illuminates. Refer to all diagnostic tests that apply for description and testing of circuit affected.