PINPOINT TEST H : The Rear Heating Ventilation Air Conditioning (RHVAC) 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 Auxiliary Climate Control for schematic and connector information.
Normal Operation and Fault Conditions
The RHVAC module communicates with the diagnostic scan tool through the MS-CAN.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 6 (5A) is OK.