volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Connectors on Climatronic control unit J255 > < Function of operating and display unit for Climatronic air conditioning system E87
Before beginning repair work, perform the following steps:
Before beginning repair work, perform the following steps:
–  Switch off all electrical consumers.
–  Switch off ignition.
–  Pull out ignition key.
   
1 - Windscreen defroster button
2 - Display for blower speed
q   In automatic operation → Item a medium blower speed is displayed regardless of the actual blower speed.
3 - Display for ambient temperature
q   If the road speed falls below 15 km/h and the coolant temperature is above 70° C, the value displayed will not change. The actual ambient temperature measured is not displayed because it is influenced by the heat build-up in the engine at lower speeds.
4 - Display for defrosting windscreen
5 - Display for air recirculation
6 - Display for air flow direction
q   Pressing button → Item switches the footwell air-flow display on or off.
q   Pressing button → Item switches the upper-body air-flow display on or off.
7 - Display for selected interior temperature
q   Switching between Celsius and Fahrenheit:
q   Press and hold button → Item and then press button → Item.
q   The corresponding temperature unit appears in the display.
8 - Operating mode display
“AUTO”: Automatic mode
q   In automatic mode, the Climatronic maintains the selected interior temperature automatically. With this setting, the vent air temperature, the blower speed and the air distribution are controlled automatically.
“ECON”: conditioning system off
q   In ECON mode, only the air conditioner compressor is switched off; heating and ventilation continue to be controlled automatically.
“OFF”: complete system is switched off.
q   To switch off, press → Item.
q   Because the flaps remain in the last position set, this means of selection should only be used in special circumstances e.g. when there is a malfunction.
9 - Button for automatic mode
10 - Dash panel temperature sensor -G56- and temperature sensor blower -V42-
q   Installation location for right-hand drive vehicles.
11 - “ECON” button
q   In ECON mode, only the air conditioner compressor is switched off; heating and ventilation continue to be controlled automatically.
12 - Button for “Warmer”
13 - Button for “Colder”
14 - Button for “Air flow to footwell”
15 - Button for “Air flow to upper body”
16 - Button to increase blower speed
17 - Button
q   To reduce blower speed.
q   To switch off air conditioning system: press and hold button down until “OFF” appears in display.
q   Because the flaps remain in the last position set, this means of selection should only be used in special circumstances e.g. when there is a malfunction.
18 - Button for fresh air and air recirculation
19 - Dash panel temperature sensor -G56- and temperature sensor blower -V42-
q   Installation position for left-hand drive vehicles.

   

Connectors on Climatronic control unit J255 > < Function of operating and display unit for Climatronic air conditioning system E87