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Pinpoint Test U: Insufficient Air Conditioning (A/C) Cooling

Possible Sources
- Improper A/C system refrigerant charge
- Temperature door actuator

U1 CHECK THE AIR CONDITIONING (A/C) SYSTEM FOR PROPER CHARGE

NOTE: Proper Air Conditioning (A/C) system diagnosis on a vehicle's compressor is dependent on correct refrigerant system charge and tested in ambient temperatures above 21.1°C (70°F).
- Carry out the refrigerant system tests. REFER to: Refrigerant System Tests - 2.3L EcoBoost (231kW/314PS)/2.3L EcoBoost (257kW/350PS) - MI4 . REFER to: Refrigerant System Tests - 5.0L 32V Ti-VCT . REFER to: Refrigerant System Tests - 5.2L 32V Ti-VCT - Supercharged .
Did the system pass the refrigerant system tests?

Yes DIAGNOSE for a temperature door actuator not operating correctly. GO to Pinpoint Test H
GO to Pinpoint Test I

No REPAIR the concern found in the refrigerant system tests chart.