Pinpoint Test H : The A/C (Air Conditioning) Is Inoperative: Notes
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Automatic Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
Control System Logic REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description
- Wiring, terminals or connectors
- A/C system discharged or low refrigerant charge
- Network concerns
- A/C pressure transducer
- Evaporator temperature sensor
- Electric cooling fan
- Intake Air Temperature (IAT) / Mass Air Flow (MAF) sensor
- Active grille shutters (if equipped)
- A/C compressor clutch air gap
- A/C compressor clutch field coil
- A/C clutch relay
- HVAC control module
Visual Inspection and Diagnostic Pre-checks
- Inspect BJB fuses 23 (5A) and 27 (15A).
- Inspect the A/C clutch relay.