Pinpoint Test G : The A/C (Air Conditioning) Is Inoperative: Notes

WARNING: This page is about a different car, the 2016 Ford F-150. 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 .

Possible Sources

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) or other temperature sensors
Active grille shutters (if equipped)
A/C compressor clutch air gap
A/C compressor clutch field coil
A/C clutch relay
FCIM
PCM

Visual Inspection and Diagnostic Pre-checks

Inspect BJB fuses 44 (10A) and 97 (10A).