Wiring diagram of AIRmatic control unit - PE32.22-P-2101-97SAA
MODEL 221.0 /1 except CODE (487) Active Body Control (ABC) Controller N51
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 40L |
| A9/1 | AIRMATIC compressor unit | 6L |
| A9/1m1 | Air compressor motor | 5L |
| A9/1y1 | AIRMATIC pressure reduction valve | 6L |
| B22/3 | Rear axle level sensor | 33L |
| B22/8 | Left front level sensor | 19L |
| B22/9 | Right front level sensor | 21L |
| B24/3 | Left front body lateral acceleration sensor | 16L |
| B24/4 | Right front body lateral acceleration sensor | 17L |
| B24/6 | Right rear body lateral acceleration sensor | 32L |
| CAN E | Chassis CAN | 38K |
| N10/1 | Front SAM control unit with fuse and relay module | 3L |
| N51 | AIRMATIC with ADS control unit | 4A |
| N51 | AIRMATIC with ADS control unit | 12A |
| N51 | AIRMATIC with ADS control unit | 20A |
| N51 | AIRMATIC with ADS control unit | 28A |
| N51 | AIRMATIC with ADS control unit | 38A |
| U12 | Valid for left-hand drive vehicles | 4C |
| U13 | Valid for right-hand drive vehicles | 4D |
| U152 | Valid for engine 156 | 30G |
| W15/1 | Ground (right footwell) | 4E |
| W2 | Ground (right front, at lamp unit) | 5H |
| W34/1 | Ground (electronics - left footwell) | 4F |
| X222 | AIRMATIC emergency filling connector | 11E |
| X30/30 | Chassis CAN/FFS [RBA] voltage distributor connector | 38L |
| X62/32 | Left rear axle multiple circuit junction connector | 26H |
| X62/33 | Right rear axle multiple circuit junction connector | 28H |
| X62/6 | Right front axle multiple circuit junction connector, major assembly compartment | 24H |
| X62/7 | Left front axle multiple circuit junction connector, major assembly compartment | 22H |
| Y36/6 | Level control valve unit | 11L |
| Y36/6b1 | AIRMATIC pressure sensor | 14L |
| Y36/6y1 | Left front level control valve | 9K |
| Y36/6y2 | Right front level control valve | 9H |
| Y36/6y3 | Left rear level control valve | 9K |
| Y36/6y4 | Right rear level valve | 9J |
| Y36/6y5 | AIRMATIC central reservoir charge valve | 9J |
| Y51 | Left front axle damping valve unit | 23L |
| Y51y1 | Solenoid valve 1, front left | 23L |
| Y51y2 | Solenoid valve 2, front left | 23L |
| Y52 | Right front axle damping valve unit | 25L |
| Y52y1 | Solenoid valve 1, front right | 24L |
| Y52y2 | Solenoid valve 2, front right | 25L |
| Y53 | Left rear axle damping valve unit | 27L |
| Y53y1 | Solenoid valve 1, rear left | 27L |
| Y53y2 | Solenoid valve 2, rear left | 28L |
| Y54 | Right rear axle damping valve unit | 29L |
| Y54y1 | Solenoid valve 1, rear right | 29L |
| Y54y2 | Solenoid valve 2, rear right | 30L |