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