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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - EMTC >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test C : C1B14:11, C1B14:12 >> Notes

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

Refer to MANUAL CLIMATE CONTROL SYSTEM for schematic and connector information.

Normal Operation and Fault Conditions 

A 5-volt reference voltage is supplied to the sensors and actuators from the HVAC module.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
C1B14:11 Sensor Supply Voltage A: Circuit Short to Ground This CMDTC sets when the HVAC 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 CMDTC sets when the HVAC module senses greater than 5 volts on the sensor reference voltage circuit, indicating a short to voltage.