Basic Inspection
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
Before performing diagnosis, check the following items which might affect the A/C problems.
- Check the battery. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>BATTERY
- Check the main and other fuses, harnesses and connectors. Also check grounding.
- Check the refrigerant pressure. Ref. to AIR CONDITIONER>REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET