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1999
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Park Avenue Ultra V6-3.8L SC VIN 1
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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 Definitions - Powertrain Systems
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A/C Request
A/C Request
Scan Tool Displays YES or NO. Indicates the state of the A/C request input circuit from the HVAC controls. The
PCM
uses the A/C request signal to determine whether A/C compressor operation is being requested.