Diagnosis should include
- performing a visual inspection of the clutch assembly, looking for evidence of excessive heat or oil contamination of clutch surfaces
- testing all circuits for sufficient voltage and proper grounding while activated
- testing related wiring and control components.
Process/Skill Questions:
- What are the tools needed to test and diagnose problems with the AC compressor clutch control systems?
- What are the procedures to test and diagnose problems with the AC compressor clutch control systems?
- What are the common failures of AC compressor clutch control systems?
- What adjustments might the technician need to make?