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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0222: TP Sensor 1 Circuit Low Input Or DTC P0223: TP Sensor 1 Circuit High Input >> Fail-Safe Mode
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Fail-Safe Mode

When malfunction is detected, ECM enters fail-safe mode and MIL illuminates. ECM controls the electric throttle control actuator in regulating throttle opening in order for the idle position to be within +10 degrees. ECM regulates an opening speed of about 5 seconds to an opening of 10 degrees. Therefore, acceleration will be poor.

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