Trouble Shooting: Notes
NOTE:
This article contains test charts which are part of General Motors Computerized Engine Controls. Only those charts required to test A/C compressor clutch control are included. Other diagnostic information may be referenced while performing A/C compressor clutch control diagnosis. For complete information on General Motors Computerized Engine Control systems, see the appropriate G-TESTS W/CODES article in the ENGINE PERFORMANCE section.
Trouble shoot A/C compressor clutch control using appropriate schematic and diagnostic charts. See A/C COMPRESSOR CLUTCH RELAY LOCATION table for A/C compressor clutch relay location.