PINPOINT TEST G : The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Refer to Manual Climate Control System for schematic and connector information.
Refer to Automatic Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
The HVAC module communicates with the diagnostic scan tool through the MS-CAN.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 46 (10A) and BCM fuse 35 (5A) (Electronic Manual Temperature Control (EMTC) only) are OK.