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GMC Truck
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2000
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C 3500 Truck 2WD V8-5.7L VIN R
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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A/C Request
A/C Request
(Yes/No)
The scan tool indicates the state of the A/C request input circuit. The
VCM
uses the A/C request signal in order to determine whether A/C compressor operation has been requested by the operator.