High-pressure Side is Too High and Low-pressure Side is Too Low

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Trouble Diagnoses Chart - High-Pressure Side Is Too High And Low-Pressure Side Is Too Low

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