PE82.60-P-2059-60FA | Legend of electrical function schematic for volume/sound settings, function | Model 203.7 with CODE (523) MB Audio 20 radio Model 203.7 as of model year 09 /YoM 08 model refinement package |
Code | Designation | Coordinates |
A1 | Instrument cluster | 10B |
A2 | Radio | 10F |
A2/13 | Sound amplifier | 3F |
A8/1 | Transmitter key | 15J |
B25/6 | Sound amplifier microphone | 3D |
Code 810 | Sound system | 1B |
H4/1 | Left front door speaker | 3H |
H4/1 | Left front door speaker | 10J |
H4/2 | Right front door speaker | 3J |
H4/2 | Right front door speaker | 10K |
H4/5 | Left rear door speaker | 3J |
H4/5 | Left rear door speaker | 10K |
H4/6 | Right rear door speaker | 3J |
H4/6 | Right rear door speaker | 10K |
H4/23 | Left front door mirror triangle speaker | 3K |
H4/23 | Left front door mirror triangle speaker | 10L |
H4/24 | Right front door mirror triangle speaker | 3K |
H4/24 | Right front door mirror triangle speaker | 10L |
H4/27 | Center cockpit speaker (centerfill) | 3K |
H4/29 | Subwoofer | 3K |
H4/54 | Left rear surround speaker | 3L |
H4/57 | Right rear surround speaker | 3L |
N73 | EIS [EZS] control unit | 15J |
N80 | Steering column module | 16E |
S110 | Left multifunction steering wheel button group | 19E |
S111 | Right multifunction steering wheel button group | 21E |
U500 | Not valid for Sound System | 8B |
U500 | Not valid for Sound System | 9J |
CAN B | Interior CAN | 10D |
CAN B | Interior CAN | 13F |
CAN B | Interior CAN | 13G |
LIN E1 | Steering LIN | 18F |
MOST | Media Oriented System Transport | 6F |
MOST | Media Oriented System Transport | 6G |
1 | Circuit 15R, status | 12G |
2 | Multifunction steering wheel button group, signal | 12F |
2 | Multifunction steering wheel button group, signal | 18F |
3 | Vehicle speed, signal | 10E |
4 | Sound system amplifier, actuation | 5F |
5 | Vehicle interior noise level, signal | 3E |
6 | Audio, signal | 3H |
6 | Audio, signal | 5F |
6 | Audio, signal | 10J |