Vehicles With Manually Regulated A/C System, A/C Control Module -J301-

The A/C Control Module -J301-

Courtesy of AUDI OF AMERICA, LLC

A -  A/C Control Module -J301- Control Head for Vehicles without Seat Heating

1. Temperature Regulator
2. Recirculation Mode Button
   • Illuminated LED indicates the "recirculated-air mode" function is selected.
   • The "recirculated-air mode" function is canceled when setting the air distribution to "Defrost" (air to the windshield).
3. A/C  Button for A/C Compressor
   • Illuminated LED indicates the "A/C compressor on" function is selected
4. Knob for Fresh Air Blower -V2-
5. Rear Window Defogger Button
   • Illuminated LED indicates the "Rear window defogger on" function is selected.
   • By pressing and holding the button the rear window defogger can be continuously switched on. Refer to Rear Window Defogger -Z1-, CHECKING - If the rear window defogger button is pressed for a long period of time when turning on the rear window defogger, the rear window defogger remains switched on until the button is pressed again or the ignition is switched off. Refer to the Owner's Manual. .
6. Air Distribution Knob
   • Different versions (with different symbols). Refer to the Parts Information

B -  A/C Control Module -J301- Control Head for Vehicles with Seat Heating

1. Recirculation Mode Button
   • Illuminated LED indicates the "recirculated-air mode" function is selected.
   • The "recirculated-air mode" function is canceled when setting the air distribution to "Defrost" (air to the windshield).
2. Temperature Regulator
3. Left Seat Heating Button
   • Illuminated LED indicates the level selected.
   • The selected level is set back one unit after a preset time. Refer to FRONT SEAT HEATING, CHECKING - Depending on the vehicle and the control head (Heater Control Module -J65-, A/C Control Module -J301- or Climatronic Control Module -J255-), the adjusted setting for the seat heating automatically reduces after a certain amount of time (for example, after 10 minutes). Use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function and the Owner's Manual. .
4. Right Seat Heating Button
   • Illuminated LED indicates the level selected.
   • The selected level is set back one unit after a preset time. Refer to FRONT SEAT HEATING, CHECKING - Depending on the vehicle and the control head (Heater Control Module -J65-, A/C Control Module -J301- or Climatronic Control Module -J255-), the adjusted setting for the seat heating automatically reduces after a certain amount of time (for example, after 10 minutes). Use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function and the Owner's Manual. .
5. Air Distribution Knob
   • Different versions (with different symbols). Refer to the Parts Information
6. Rear Window Defogger Button
   • Illuminated LEDs indicate the "Rear window defogger on" function is selected.
   • By pressing and holding the button the rear window defogger can be continuously switched on. Refer to Rear Window Defogger -Z1-, CHECKING - If the rear window defogger button is pressed for a long period of time when turning on the rear window defogger, the rear window defogger remains switched on until the button is pressed again or the ignition is switched off. Refer to the Owner's Manual. .
7. A/C  Button for A/C Compressor
   • Illuminated LED indicates the "A/C compressor on" function is selected
8. Knob for Fresh Air Blower -V2-