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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (MULTIFUNCTION Electronic Modules (Except Electric)) >> Diagnosis And Testing >> Body Control Module (BCM) >> Pinpoint Tests >> Pinpoint Test R : B12CA:11, B12CA:15 >> Notes

Pinpoint Test R : B12CA:11, B12CA:15: Notes

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Refer to OEM WIRING DIAGRAMS (EXCEPT ELECTRIC) for schematic and connector information.

Normal Operation and Fault Conditions 

When the ignition is turned on, the auto-start-stop system is automatically enabled and the indicator should be off. If the auto-start-stop system detects a malfunction, it is disabled, and the OFF lamp on the switch illuminates continuously. All other BCM and PCM Diagnostic Trouble Codes (DTCs) should be repaired first. The auto-start-stop status indicator and auto-start-stop disable switch are part of the active park assist switch assembly.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B12CA:11 Start/Stop "Eco-Start" Status Indicator: Circuit Short To Ground Sets when the BCM detects a short to ground on the auto-start-stop status indicator circuit.
B12CA:15 Start/Stop "Eco-Start" Status Indicator: Circuit Short To Battery or Open Sets when the BCM determines that the auto-start-stop status indicator circuit is not drawing current due to a circuit that is open or shorted to voltage.

Possible Sources 

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