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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 914 (HVAC SYSTEM - MANUAL)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Scan Tool Data Definitions

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Scan Tool Data Definitions
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The HVAC Scan Tool Data Definitions contains a brief description of all HVAC related parameters available on the scan tool. The list is in alphabetical order. A given parameter may appear in any one of the data lists. In some cases, the parameter may appear more than once or in more than one data list in order to group certain related parameters together.

PCM - A/C Information - A/C Clutch (Actual)

The scan tool displays On or Off. On is displayed when the PCM has energized the A/C compressor clutch relay.

PCM - Engine Data 2 - A/C High Side Pressure

The scan tool displays 0 to 5 volts. The output of the A/C refrigerant pressure sensor.

PCM - Engine Data 2 - A/C Press. Out Of Range

The scan tool displays Yes or No. Yes is displayed when the system pressure exceeds 2968 kPa (430 psi).

PCM - Output Driver Data - A/C Relay

The scan tool displays OK or Fault. Fault is displayed when an open or short is detected in the A/C compressor clutch relay ground circuit.

PCM - Engine Data 2 - Commanded A/C

The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.

RENDER: 1.0x

NO RELATED

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