Chart 21

Climate Control: Lack of A/C Cooling, A/C Not Functioning, A/C Always On, or A/C Compressor Runs Continuously

SYSTEM/COMPONENT	REFERENCE (Pinpoint Test unless noted)
A/C System	If sent here from the service information article with WAC_F PID indicating a fault (or YES), GO toDIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS and follow the directions for KOEO DTC P0645. For all others, REFER to the appropriate CLIMATE CONTROL SYSTEM - GENERAL INFORMATION article.