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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1350 (Vehicle Dynamic Suspension) >> Diagnosis And Testing >> Vehicle Dynamic Suspension >> Pinpoint Tests >> Pinpoint Test K: DTC C1840 - Air Suspension Switch Circuit Failure >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

In the ON position, a signal is sent from circuit 417 (VT/OG) to circuit 635 (YE) through the closed air suspension switch. The air suspension module receives this signal and activates the air suspension system. In the OFF position, this signal is interrupted by the open air suspension switch and the air suspension module deactivates the air suspension system.

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