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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 671 (Climate Control System - General Information) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> System Operation >> Control System Logic

Control System Logic

WARNING: This page is about a different car, the 2017 Ford Police Interceptor Utility and 2017 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

When the customer inputs an A/C request into the Front Controls Interface Control Module B (FCIM-B), the module sends the request to the GWM over the HS-CAN3. The GWM sends the request to the PCM over the HS-CAN1. The PCM controls the A/C clutch relay. The GWM also sends the request to the HVAC control module over the MS-CAN.

The HVAC control module requires PMI when it is replaced.

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