Annotation of standard text SAE J638 :
This SAE Recommended Practice, limited to liquid coolant systems, establishes uniform vehicle heater test procedures. Both laboratory and complete vehicle tests are specified in this document. Required test equipment, facilities, and definitions are included.
NOTE— Defrosting and defogging procedures and requirements can be found in SAE J902, J381, J382, and J953.
SUBJECT TAXONOMY: Heating, ventilation, and air conditioning systems (HVAC), Maintenance, repair, and service operations, Engine cooling systems
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: May 2011 