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Home >> Chevrolet >> 2001 >> Impala V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> A/C Request Signal
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A/C Request Signal

The scan tool displays YES or NO. This parameter indicates the state of the A/C request input circuit from the HVAC controls. The PCM uses the A/C request signal in order to determine whether A/C compressor operation is being requested.
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