Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 1999 >> Lumina V6-3.8L VIN K >> 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 High Side Pressure

A/C High Side Pressure

Scan Tool Displays 0.00 to 5.00 Volts. A/C High Side Pressure represents the A/C refrigerant pressure sensor signal. The amount of pressure indicates the amount of load that the A/C compressor is placing on the engine. The PCM uses this information to adjust idle and to control the cooling fans.
pro multis · About Operation CHARM