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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (Steering Wheel And Column Electrical Components (Except Electric)) >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Network Message Chart - Heated Steering Wheel

Network Message Chart - Heated Steering Wheel

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.

Module Network Input Messages - Body Control Module (BCM) 

Broadcast Message Originating Module Message Purpose
Power pack status PCM Provides the BCM with the current ignition status of the PCM.

Heated Steering Wheel 

When the engine is running, and the SASM receives a request to heat the steering wheel, the SASM applies voltage and ground to the steering wheel heating elements (integral to the steering wheel) to heat the steering wheel to a temperature of approximately 28-34°C (82-94°F). The heated steering wheel temperature is maintained by the SASM using a temperature sensor in the steering wheel.

The SASM is designed to keep the heated steering wheel system activated, heating the steering wheel and maintaining the temperature until switched off or the engine is turned off. An LED indicator on the switch illuminates when the heated steering wheel system has been turned on.

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