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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1178 (Climate Control System - General Information) >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test T : C1B14:11, C1B14:12 >> Notes

Pinpoint Test T : C1B14:11, C1B14:12: Notes

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

Refer to Automatic Climate Control System for schematic and connector information.

Normal Operation and Fault Conditions 

A 5-volt reference voltage and ground is supplied to the climate control sensors and actuators from the FCIM.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
C1B14:11 Air Distribution Damper Motor: Circuit Short to Ground This DTC sets when the module senses less than 5 volts on the sensor reference voltage circuit, indicating a short to ground.
C1B14:12 Air Distribution Damper Motor: Circuit Short to Battery This DTC sets when the module senses greater than 5 volts on the sensor reference voltage circuit, indicating a short to voltage.

Possible Sources