WIS 83.40 Automatic Climate Control (ACC) or Heating Ventilation and Air Conditioning (HVAC)
The Heating Ventilation and Air Conditioning (HVAC) in a W220 S-Class is achieved by means of an Automatic Climate Control (ACC) system.
Main In Cabin Components
Pushbutton Control Module (N22)
Centre Vent Control Module (N18/4)
Overhead Control Panel (OCP) (N70)
“B” Pillar Vents
Right Side Outlet and Fixed Window and Door Vents
Left and Right Defroster Vents
Centre Vents with Optional A/C Control Module (N22/4) Rear Compartment
Description Maintenance Automatic Climate Control (ACC) Service Menus Aktivkohle Filter (AKF) {Activated Charcoal Filter (ACF)} Replacing Blower Control Voltage Blower Motor Removing Repairing Replacing Cabin Ventilation Dust Filter Replacing Coolant Circulation Pump Duo Valve Four Quadrant Sun Sensor (B32/2) In Cabin Air Temperature Sensor (N22/b1) and Aspirator in Pushbutton Control Module (N22) Testing In Cabin Air Temperature Sensor (N22/b1) and Aspirator in Pushbutton Control Module (N22) Access and Cleaning In Cabin Air Temperature Sensor (N70/b1) and Aspirator in Overhead Control Panel (OCP) (N70) Testing In Cabin Air Temperature Sensor (N70/b1) and Aspirator in Overhead Control Panel (OCP) (N70) Access and Cleaning In Cabin Air Temperature Sensor (N70/b1) and Aspirator in Pushbutton Control Module (N22) and in Overhead Control Panel (OCP) (N70) Resistance Specification Multi-function Sensor (B31/1) Location and Access Multi-function Sensor (B31/1) CO Carbon Monoxide Access and Testing Multi-function Sensor (B31/1) NOx Nitrogen Oxide Access and Testing Multi-function Sensor (B31/1) Dew Point Temperature Access and Testing Outside Temperature Sensor (B14) Testing R134A Refrigerant Temperature Sensor (B12/1) Testing Replace W220 Evaporator Fantastic Video (Warning! Turn your sound down.) http://www.youtube.com/watch?v=AVNNFXPSafs&feature=youtube_gdata_player Repair Air Conditioning System Repair Blower Motor Under Hood ACC Drain Access and Cleaning