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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55-77 Step 14. Check the refrigerant temperature Refer to . Q: Is the refrigerant temperature switch operating properly? YES : Go to Step 15. NO : Replace the refrigerant temperature switch. Step 15. Check the refrigerant level. Refer to . Q: Is the refrigerant level correct? YES : Go to Step 16. NO : Correct the refrigerant level (Refer to Step 16. Replace the A/C-ECU, and then recheck Check that the compressor works normally. Q: Is the check result normal? YES : This diagnosis is complete. NO : Replace the engine-ECU or the |