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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 975 (Parking Aid System) >> Diagnostic Tests >> Parking Aid >> Pinpoint Tests >> Pinpoint Test F: DTC C1748 - Switch Input Circuit Short To Gnd >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The parking aid system is enabled when the ignition switch is in the RUN position and the transaxle is in REVERSE (R). The system can be disabled by the parking aid disable switch.

DTC C1748 - sets when the parking aid module senses a short to ground on circuit 1435 (DG/VT).

Possible Causes