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Home >> GMC Truck >> 1999 >> S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4 >> 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 >> Engine Scan Tool Data Definitions - 1 >> A/C Request

A/C Request

Range - Yes/No
Represents whether Air Conditioning (A/C) is being requested from the HVAC selector. The input is received by the Instrument Panel Cluster (IPC) and then sent over UART serial data to the PCM and finally to the scan tool over class 2 serial data.
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