LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Instrument Cluster Illumination And Panel Illumination -- F250-F550 Super Duty) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test D: The Steering Wheel Switch Illumination Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The BCM sends a voltage to the steering wheel controls switch and message center switch based on the Steering Column Control Module (SCCM) illumination messages that are sent over the network to the BCM. The voltage passes through the clockspring to the steering wheel harness and on to the steering wheel switches. The steering wheel switches share the ground circuit with the horn switch.

This pinpoint test is intended to diagnose the following: 

scientia non olet · About LEMON Manuals