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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2129 (Instrument Cluster And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test D: The Steering Wheel Control Illumination Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the steering wheel controls through circuit VLN04 (VT/GY) to the clockspring. The voltage passes through the clockspring to the steering wheel control switch harness and on to the steering wheel controls. Ground is supplied through the clockspring and circuit GD112 (BK/GN).

This pinpoint test is intended to diagnose the following:

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