Rear Air Conditioning Operating Unit, Component Description - GF83.40-P-3051FH
Model 238
up to model year 2021
With Code 581 (Automatic air conditioning)
Shown On Model 238.3
| Control element | Controllable function | Operating feedback |
|---|---|---|
| Temperature button (1) | Setting of specified temperature | Display (2) |
| Selector wheel (3) | Open/close air outlet | - |
Location
The rear A/C system operating unit is located at the rear in the center console between the front seats.
Tasks
The functions for climate control of the rear can be adjusted using the rear A/C system operating unit. This results in the following tasks for the rear A/C system operating unit:
- Reading in of signals
- Output of signals
Reading in of signals
The following input factors are read in via climate control LIN (LIN B8-3):
- Circuit status
- Function feedback from climate control control unit (N22/1)
Output of signals
The following signals are issued over the A/C operating unit LIN:
- Request for higher or lower specified temperature in rear Based on this data, the air volume of the rear vents and the temperature control in the rear are controlled or regulated.