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Home >> Infiniti >> 2003 >> G35 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1121: Electric Throttle Control Performance Problem >> Fail-Safe Mode
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Fail-Safe Mode

When Malfunction "A" or "B" is detected in 2 consecutive trips, the ECM enters fail-safe mode and MIL illuminates. When Malfunction "C" is detected, even on 1st trip, ECM enters fail-safe mode and MIL illuminates.