audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Refrigerant temperature senderG454 > < Air conditioner compressor regulating valveN280
Air conditioning system compressor speed senderG111
   
Air conditioning system compressor speed sender -G111-
Inductive sender
The sender pulses (4 per compressor revolution) and the engine speed enable the operating and display unit for Climatronic air conditioning system -E87- or the Climatronic control unit -J255- to calculate the belt slip.
If the belt slip exceeds a specified value, the air conditioner compressor is switched off by the control unit via the magnetic clutch.
  Note
t  Fitted in Audi vehicles with compressor driven via poly V-belt and Zexel compressor → Heating, air conditioning; Rep. gr.87 or → Air conditioning; Rep. gr.87 (vehicle-specific workshop manual).
t  The logo of the compressor manufacturer „Zexel“ attached to the air conditioner compressor was modified from „Zexel“ to „Valeo“ from year of production 2006 onwards (change in manufacturer's name).
  V87-1276

Refrigerant temperature senderG454 > < Air conditioner compressor regulating valveN280