Discoveredthis fault code today: 08-Auto HVAC: 00256 - A/C Pressure/Temperature Sensor (G395) 004 - No Signal/Communication. AC seems to work fine though.
Theambient air temp sensor sends temp signal to the ac control unit and the instrument cluster. If temp is too cold (below 40 F) it will not engage the compressor.
Giventhat I have a right-hand drive car, and the G395 is on the left-hand side of the car in front of the radiator. LIN cable from the sensor allegedly goes to socket T17o, pin 16 (RIGHT A PILLAR coupling station), then from T17i pin 16, (LEFT A PILLAR coupling station) to Socket C pin 4 of the J519 controller which is back on the Right side!Figure1 The coolant temperature sensor is located on the lower left side of the cooling system. It is on the lower left hose coming from the radiator (red arrow). Myambient air temperature sensor is mounted in the factory location. It's mounted to the bottom of the crash bar, behind the grille, closer to the passenger side of
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