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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - QG18DE) >> DTC P1122: Electric Throttle Control Function >> On Board Diagnosis Logic. >> Fail-Safe Mode

Fail-Safe Mode

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When the malfunction is detected, 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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