Audi Q7 2007 Repair Manual page 26

Audi Q7 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 04.2013
– Disconnect the connector -A-.
Connector Assignment on the High Pressure Sensor - G65-
Terminal -1- ground
Terminal -2- signal output (square wave signal to Climatronic
Control Module - J255- front A/C control head).
Terminal -3 - positive (terminal "75")
Note
With harness connector -B- disconnected, the compressor will
♦
not switch on.
♦ The high pressure sensor -A- is an electronic component,
which creates a square wave signal, the duty cycle ratio
changes with pressure in the refrigerant circuit.
Check the pressure signal from the High Pressure Sensor - G65-
20
Rep. Gr.87 - Air Conditioning
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