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Trouble Shooting: Notes

NOTE: This article contains test flow charts which are part of General Motors Computerized Engine Controls. Only those flow 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 appropriate articles in ENGINE PERFORMANCE section.

Trouble shoot A/C compressor clutch control using appropriate schematic and diagnostic flow charts. See A/C COMPRESSOR CLUTCH CHART INDEX table. A/C COMPRESSOR CLUTCH RELAY LOCATION table for A/C compressor clutch relay location.

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