Electrical function schematic for Airmatic - PE32.32-P-2050-97SAA
MODEL 221.0 /1 except CODE (487) Active Body Control (ABC) as of Model Year 2009 up to Model Year 2010 /CY 08, /CY 09 model refinement package
MODEL 221.1 with CODE (Z07) Top protection except CODE (487) Active Body Control (ABC) as
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Central locking (CL[ZV]), status | 19F |
| 2 | Door rotary tumbler switch, status | 19D |
| 2 | Door rotary tumbler switch, status | 5F |
| 3 | Trunk lid rotary tumbler microswitch, status | 7F |
| 3 | Trunk lid rotary tumbler microswitch, status | 19D |
| 4 | Level sensor, status | 22F |
| 5 | AIRMATIC pressure sensor, signal | 22E |
| 6 | Level control valve, actuation | 26E |
| 7 | Engine speed, signal | 19F |
| 8 | Wheel speed, signal | 21F |
| 9 | Vehicle speed, signal | 18E |
| 9 | Vehicle speed, signal | 5E |
| 10 | AIRMATIC compressor unit, actuation | 23B |
| 10 | AIRMATIC compressor unit, actuation | 20C |
| 11 | AIRMATIC central reservoir charge valve, actuation | 26E |
| 12 | AIRMATIC pressure reduction valve, actuation | 23C |
| 13 | Outside air pressure/temperature, signal | 5B |
| 13 | Outside air pressure/temperature, signal | 19F |
| 14 | Level control switch, status | 18E |
| 14 | Level control switch, status | 7D |
| 15 | Level control switch (LED), actuation | 4B |
| 15 | Level control switch (LED), actuation | 7C |
| 15 | Level control switch (LED), actuation | 8E |
| 16 | Body acceleration sensor, status | 19D |
| 17 | Service brake, status | 21G |
| 18 | Steering angle, signal | 22G |
| 18 | Steering angle, signal | 25K |
| 19 | Engine torque, status | 18F |
| 19 | Engine torque, status | 17D |
| 20 | Tire pressure monitor (TPM [RDK]), status | 17E |
| 20 | Tire pressure monitor (TPM [RDK]), status | 9B |
| 20 | Tire pressure monitor (TPM [RDK]), status | 21G |
| 21 | Transmission mode switch, status | 4D |
| 21 | Transmission mode switch, status | 7D |
| 22 | Damping valve units, actuation | 25C |
| 23 | AIRMATIC fault, message | 4D |
| 23 | AIRMATIC fault, message | 9E |
| A1 | Instrument cluster | 2C |
| A40/9 | Front central operating unit | 12A |
| A40/9s8 | Transmission modes button | 11A |
| A8/1 | Transmitter key | 18K |
| A9/1 | AIRMATIC compressor unit | 24B |
| B22/3 | Rear axle level sensor | 26H |
| B22/8 | Left front level sensor | 26H |
| B22/9 | Right front level sensor | 26H |
| B24/3 | Left front body lateral acceleration sensor | 17B |
| B24/4 | Right front body lateral acceleration sensor | 17B |
| B24/6 | Right rear body lateral acceleration sensor | 17B |
| CAN B | Interior CAN | 4G |
| CAN B | Interior CAN | 6G |
| CAN B | Interior CAN | 7C |
| CAN E | Chassis CAN | 12E |
| CAN E | Chassis CAN | 12E |
| CAN E | Chassis CAN | 18E |
| CAN E | Chassis CAN | 18E |
| CAN E | Chassis CAN | 19G |
| CAN E | Chassis CAN | 20H |
| CAN E | Chassis CAN | 22G |
| CAN F | Central CAN | 4D |
| LIN 1 | Instrument panel LIN | 4A |
| LIN 1 | Instrument panel LIN | 9A |
| N10/1kB | Air suspension compressor | 21B |
| N10/2 | Rear SAM control unit with fuse and relay module | 6J |
| N3/10 | ME-SFI [ME] control unit | 11K |
| N3/10 | ME-SFI [ME] control unit | 14K |
| N3/9 | CDI control unit | 9K |
| N47-5 | ESP control unit | 20K |
| N49 | Steering angle sensor | 26K |
| N51 | AIRMATIC with ADS control unit | 21E |
| N69/1 | Left front door control unit | 2F |
| N69/2 | Right front door control unit | 2F |
| N69/3 | Rear left door control unit | 2J |
| N69/4 | Right rear door control unit | 2J |
| N72/1 | Upper control panel control unit | 7A |
| N73 | EIS [EZS] control unit | 17K |
| N80 | Steering column module | 24K |
| N93 | Central gateway control unit | 6E |
| S6/2s12 | PTS OFF switch | 3A |
| U74 | Valid for diesel engines | 8J |
| U75 | Valid for gasoline engines | 11J |
| Y36/6 | Level control valve unit | 26E |
| Y51 | Left front axle damping valve unit | 26B |
| Y52 | Right front axle damping valve unit | 26B |
| Y53 | Left rear axle damping valve unit | 26B |
| Y54 | Right rear axle damping valve unit | 26C |