Normal Operation

WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

When the stability/traction control switch is pressed, circuit CCA15 (YE/GY) is momentarily connected to ground circuit GD114 (BK/BU) through the Front Controls Interface Module (FCIM). The Instrument Panel Cluster (IPC) detects this ground and sends a signal to the PCM and the ABS module along the High Speed Controller Area Network (HS-CAN) bus to disable the stability/traction control system. The IPC will also illuminate the sliding-car icon.

If a MyKey™-restricted key is in use that has the AdvanceTrac® always-on feature configured to "on", the stability/traction control system cannot be disabled.

Because the stability/traction control switch is grounded through the FCIM, any concerns with the FCIM should be addressed before diagnosing the stability/traction control switch.

This pinpoint test is intended to diagnose the following:

Wiring, terminals or connectors
FCIM
IPC