Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
2000
>>
S15/T15 Sonoma P/U 2WD V6-4.3L VIN W
>>
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 Relay
A/C Relay
ON/OFF
: The scan tool indicates whether the A/C relay control circuit has been commanded ON by the
VCM
. The A/C relay provides power to control the A/C compressor clutch. It will indicate YES when the relay is commanded ON.