Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when closed throttle position learning is not performed successfully, repeatedly. Possible cause is: defective TP sensor No. 1 and 2 (electric throttle control actuator).