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Home >> Ford >> 2021 >> Bronco First Edition, 2D Utility >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Climate Control System - General Information) >> Diagnosis And Testing >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) >> Pinpoint Test(s) >> Pinpoint Test M : C1B14:11, C1B14:12 >> Notes
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Pinpoint Test M : C1B14:11, C1B14:12: Notes

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Manual 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 Sensor Supply Voltage A: 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 Sensor Supply Voltage A: 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