Display Group 021

Display Group 021

Display Group 021:

The following control modules are concerned: Drivers Seat Ventilation Control Module J672 , Front Passenger's Seat Ventilation Control Module J673 , Rear Seat (driver's side) Ventilation Control Module J674 and Rear Seat (front passenger's side) Ventilation Control Module J675 .

NOTE:
- With , Climatronic Control Module J255 , display appears in display fields "1" and "2" of display group "021" , and in display groups "1" and "2" of display group "007" with Rear A/C Control Head (Climatronic) E265 .
- The currently selected front seat ventilation and seat heating level is displayed in measured value blocks "026" , "027" and "028" of , Climatronic Control Module J255 .
- The currently selected level for seat ventilation and seat heater for rear seats is displayed in measured value blocks "004" and "005" of Rear A/C Control Head (Climatronic) E265 .
- Activation of seat ventilation fan is not shown directly, activation of respective fan or respective control module for seat ventilation can be checked as follows: - Start engine - switch off electrical consumers with great power input (e.g. rear windshield heater). - Select lowest possible speed for Fresh Air Blower V2 - Set seat ventilation control for appropriate seat to maximum level (in front or rear A/C control head) - Check respective seat, noise of fan operation can be heard in seat. - Set seat heating control for appropriate seat to maximum level (in front or rear A/C control head), activation of seat heater can be seen from measured value block.
- At this time, heed the following when operating seat ventilation:
- No seat ventilation possible with seat temperature less than 15 degree C (deactivation due to insufficient seat temperature)
- Depending on seat temperature and selected level of seat ventilation, seat heater can be switched on automatically by control module after approx. 5 min. in seat ventilation mode. If necessary, only seat cushion is heated in seat ventilation mode, seat bolster heating not switched on

- With seat ventilation mode, seat can be heated up to the following seat temperature, depending on selected level of seat ventilation (measuring value of temperature sensor in seat cushion):