The A/C compressor clutch does not engage (but both fans run with the A/C on)
Diagnostic procedure
  1. A/C compressor clutch circuit troubleshooting
Also check for
  • HVAC DTCs
  • Blown fuse No. 20 (7.5 A) in the under-hood fuse/relay box
  • Faulty A/C compressor clutch relay
  • Blower motor operation
  • Cleanliness and tightness of all terminals