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Home >> Pontiac >> 1995 >> Firebird Formula, 2D Convertible, Standard >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor Clutch Controls >> Trouble Shooting Charts >> Chart C-10 - A/C Compressor Clutch Circuit Diagnosis >> Diagnostic Aids

Diagnostic Aids

Before diagnosing A/C system with C-10 chart, ensure no DTCs are stored. PCM will not energize A/C compressor clutch relay if any DTC is stored.



Before diagnosing vehicle using C-10 chart, ensure no DTCs are stored. PCM will not activate A/C compressor clutch if any DTC is stored.

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