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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1727 (Module Communications Network (Except Electric)) >> Diagnosis And Testing >> Communications Network >> Pinpoint Tests >> Pinpoint Test J : The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Scan Tool >> Notes

Pinpoint Test J : The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Scan Tool: 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.

Diagnostic Overview 

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Refer to Module Communications Network 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 scan tool through the MS-CAN.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks 

Verify BCM fuses 71 (10A) is OK.

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