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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 334 (Steering System - General Information) >> Diagnosis And Testing >> Steering System - Hybrid >> Pinpoint Test >> Pinpoint Test G: DTC C1778 - Power Steering Failure >> Normal Operation

Normal Operation

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

The power steering control module receives voltage through circuits 838 (LG/VT) and 601 (LB/PK) and ground through circuit 57 (BK). The power steering control module then sends a signal to the power steering motor through circuits 3140 (BK) and 3141 (WH). The power steering control module sends varying amperage through these circuits dependent upon the desired output to the power steering motor.

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