Legend of electrical function schematic for position finding and navigation (APS), function - PE82.61-P-2053-60RAA
Model 251.0 with CODE (525) MB Audio 50 APS radio as of model year 09/YoM 08
Model 251.0 with CODE (511) Audio 50 APS with DVD changer as of model year 09/YoM 08
Model 251.1 with CODE (525) MB Audio 50 APS radio as of model year 09/YoM 08
Model 251.1 with CODE (511) Audio 50 APS with DVD changer as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A2/19 | FM rear window antenna amplifier | 13D |
| A2/56 | Radio and navigation unit | 9E |
| A2/93 | Roof antenna module | 10D |
| A2/93a6 | GPS antenna | 8D |
| Code 810 | Sound system | 1A |
| H4/3 | Left rear door speaker | 3H |
| H4/3 | Left rear door speaker | 10J |
| H4/4 | Right rear door speaker | 3J |
| H4/4 | Right rear door speaker | 10J |
| H4/5 | Left front door speaker | 3J |
| H4/5 | Left front door speaker | 10K |
| H4/6 | Right front door speaker | 3J |
| H4/6 | Right front door speaker | 10K |
| H4/27 | Center cockpit speaker (centerfill) | 3J |
| H4/29 | Subwoofer | 3B |
| H4/33 | Left front door tweeter | 3K |
| H4/33 | Left front door tweeter | 10K |
| H4/34 | Right front door tweeter | 3K |
| H4/34 | Right front door tweeter | 10K |
| H4/35 | Left rear door tweeter | 3K |
| H4/35 | Left rear door tweeter | 10L |
| H4/36 | Right rear door tweeter | 3K |
| H4/36 | Right rear door tweeter | 10L |
| H4/54 | Left rear surround speaker | 3L |
| H4/57 | Right rear surround speaker | 3L |
| L6/1 | Left front RPM sensor | 18K |
| L6/2 | Right front RPM sensor | 18K |
| L6/3 | Left rear RPM sensor | 18K |
| L6/4 | Right rear RPM sensor | 18L |
| N40/3 | Amplifier for sound system | 4F |
| N40/9 | Subwoofer amplifier | 4C |
| N47-5 | ESP control unit | 15J |
| N49 | Steering angle sensor | 18B |
| N80 | Steering column module | 15B |
| N93 | Central gateway control unit | 15F |
| U500 | Not valid for Sound System | 9J |
| CAN B | Interior CAN | 12F |
| CAN C | Engine compartment CAN | 15D |
| CAN C | Engine compartment CAN | 15H |
| MOST | Media Oriented System Transport | 7F |
| MOST | Media Oriented System Transport | 7G |
| 1 | Steering angle sensor, signal | 11F |
| 1 | Steering angle sensor, signal | 16E |
| 1 | Steering angle sensor, signal | 17B |
| 2 | Wheel speed, signal | 11F |
| 2 | Wheel speed, signal | 16G |
| 2 | Wheel speed, signal | 17K |
| 3 | Audio, signal | 4B |
| 3 | Audio, signal | 4E |
| 3 | Audio, signal | 4H |
| 3 | Audio, signal | 6E |
| 3 | Audio, signal | 10H |
| 4 | Wheel rotation direction, signal | 12F |
| 4 | Wheel rotation direction, signal | 16H |
| 4 | Wheel rotation direction, signal | 17K |
| 5 | GPS, signal | 9D |
| 6 | AM/FM antenna, signal | 10D |
| 6 | AM/FM antenna, signal | 11C |