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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Engine Control System) >> DTC P1128 Throttle Control Motor >> On Board Diagnosis Logic >> Fail-Safe Mode

Fail-Safe Mode

WARNING: This page is about a different car, the 2004 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

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

Engine operating condition in fail-safe mode

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring

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