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, ECM enters fail-safe mode and the MIL lights up.
Under fail safe conditions, ECM stops the electric throttle control actuator control. The throttle valve is maintained at a fixed opening (approximately 5°) by the return spring.