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Home >> Audi >> 2012 >> Q5 3.2 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Heating, Ventilation & Air Conditioning (1 Of 2) (As Of 06.2014) >> 87 Air Conditioning >> Refrigerant Circuit >> A/C Pressure/Temperature Sensor -G395-, CHECKING

A/C Pressure/Temperature Sensor -G395-, CHECKING

A/C Pressure/Temperature Sensor -G395-, checking the signal

NOTE:

The signal from the A/C Pressure/Temperature Sensor -G395- is checked as described in Guided Fault Finding for the A/C system using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.

The Vehicle Electrical System Control Module -J519- evaluates the A/C Pressure/Temperature Sensor -G395- signal. It is transmitted via the Data Bus to the Climatronic Control Module -J255- A/C display and control head. Refer to the appropriate SYSTEM WIRING DIAGRAM.

If a malfunction in the signal from the A/C Pressure/Temperature Sensor -G395- is detected, then the malfunction will be entered in the DTC memory of the Vehicle Electrical System Control Module -J519- and the Climatronic Control Module -J255- A/C display and control head. It will be necessary to the check the Vehicle Electrical System Control Module -J519- DTC memory when reading the DTC memory for the Climatronic Control Module -J255- A/C display and control head using the Vehicle Diagnostic Tester in the "Guided Fault Finding  " function.

The A/C Pressure/Temperature Sensor -G395- measured values are displayed in the Vehicle Electrical System Control Module -J519- measured values block using the Vehicle Diagnostic Tester in the "Guided Fault Finding  " function. The displayed temperature value is currently not used by the Climatronic Control Module -J255- A/C display and control head.

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