Diesel Data: Automotive Repair

Without Climate Control




The A/C compressor clutch does not engage, but the A/C condenser/radiator fans operate, and the blower and heater controls work

Probable cause: No power to the A/C compressor clutch

Do the A/C Compressor Clutch Circuit Troubleshooting A/C Compressor Clutch Circuit Troubleshooting

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HVAC DTCs How To Troubleshoot The Heating And A/C Systems (Without Climate Control)

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Powertrain DTCs Initial Inspection and Diagnostic Overview

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Blown fuse No. 12 (7.5 A) in the under-hood fuse/relay box

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Poor or loose connections at the terminals

Also check for

Engine overheating