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

Also Check for

HVAC DTCs How To Troubleshoot The Heating and A/C Systems

Also Check for

Blown fuse No. A21 (7.5 A) in the under-hood fuse/relay box

Also Check for

A/C system pressure is normal A/C System Test

Also Check for

Poor or loose connections at the terminals