Compressor HVAC: Testing and Inspection

Try the following checks before performing other diagnosis.

1. Check the HTR A/C Fuse and ENG/A/C Fuse by visual inspection.
2. Check that the A/C Compressor Clutch connector is firmly seated.
3. Check that ground G105 is clean and tight (V6 VIN N).
4. Check that ground G112 is clean and tight (L4 VIN R).