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Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System - DTCS P0643 To P2A00 (MR20DE-CALIFORNIA)) >> DTC P2101 Electric Throttle Control Function >> On Board Diagnosis Logic >> Fail-Safe Mode
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Fail-Safe Mode

WARNING: This page is about a different variant/trim than selected.

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

ENGINE OPERATING CONDITION CHART

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.