Heater and Air Conditioning System
SYMPTOM DIAGNOSISREFRIGERATION SYSTEM SYMPTOMS
Trouble Diagnosis For Unusual Pressure
Diagnose using a manifold gauge whenever system's high and/or low side pressure(s) is/are unusual. The marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Refer to above table (Ambient air temperature-to-operating pressure table) since the standard (usual) pressure, however, differs from vehicle to vehicle.
Symptom Table
Symptom Table (Part 1):
Symptom Table (Part 2):
Symptom Table (Part 3):
Symptom Table (Part 4):
