Fail-Safe Mode

WARNING: This page is about a different car, the 2004 Infiniti FX45. 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.

Fig 1: Identifying Engine Operating Conditions In Fail-Safe Modes (DTC P1122)

Courtesy of NISSAN MOTOR CO., U.S.A.