Nissan Maxima Service and Repair Manual: Symptom diagnosis

REFRIGERATION SYSTEM SYMPTOMS

WITH COLOR DISPLAY

WITH COLOR DISPLAY : Trouble Diagnoses for Abnormal Pressure

Whenever system′s high and/or low side pressure is abnormal, diagnose using a manifold gauge. The marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Since the standard (usual) pressure, however, differs from vehicle to vehicle, refer to above table (Ambient air temperatureto- operating pressure table).

Both High- and Low-pressure Sides are Too High

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

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

Both High- and Low-pressure Sides are Too Low

Low-pressure Side Sometimes Becomes Negative

Low-pressure Side Becomes Negative

WITH COLOR DISPLAY : Symptom Matrix Chart

WITH MONOCHROME DISPLAY

WITH MONOCHROME DISPLAY : Trouble Diagnoses for Abnormal Pressure

Whenever system′s high and/or low side pressure is abnormal, diagnose using a manifold gauge. The marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Since the standard (usual) pressure, however, differs from vehicle to vehicle, refer to above table (Ambient air temperatureto- operating pressure table).

Both High- and Low-pressure Sides are Too High

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

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

Both High- and Low-pressure Sides are Too L

Low-pressure Side Sometimes Becomes Negative

Low-pressure Side Becomes Nega

WITH MONOCHROME DISPLAY : Symptom Matrix Chart