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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1578 (Interior Lighting (Except Electric)) >> Diagnosis And Testing >> Interior Lighting >> Pinpoint Tests >> Pinpoint Test I : A Puddle Lamp Is Inoperative Or Always On >> Notes

Pinpoint Test I : A Puddle Lamp Is Inoperative Or Always On: Notes

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Interior Lamps for schematic and connector information.

Normal Operation and Fault Conditions 

REFER to: Interior Lighting - System Operation and Component Description  .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B12C2:11 Puddle Lamp: Circuit Short To Ground A continuous memory and on-demand DTC that sets when the DDM or the PDM detects a short to ground from the puddle lamp output circuit.
B12C2:15 Puddle Lamp: Circuit Short To Battery Or Open A continuous memory and on-demand DTC that sets when the DDM or the PDM detects an open or a short to battery voltage from the puddle lamp output circuit.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks