Fail-Safe Mode
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.
ECM enters fail-safe mode when malfunction is detected.
When malfunction "A" is detected, ECM controls electric throttle actuator by regulating throttle opening around idle position. The engine speed will not rise more than 2000 RPM.
When malfunction "B" is detected, ECM controls electric throttle control actuator by regulating throttle opening to 20 degrees or less.
When malfunction "C" is detected, the following occurs: while vehicle is driving, it slows down gradually by fuel cut. After vehicle stops, engine stalls. The engine can restart Park or Neutral, and engine speed will not exceed 1000 RPM.
NOTE:
Perform the following DTC confirmation tests in order. If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.