Sound Amplifier Control Unit Wiring Diagram - PE82.62-P-2101-97FCC
Model 253 (except 253.99)
as of model year 2020
with code 810 (Premium sound system)
Control unit N40/3
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 72L |
| A26/17 | Head unit | 52L |
| CAN C1 | Drive train CAN | 10K |
| Code 362 | HERMES LTE | 11C |
| Code L | LEFT-HAND DRIVE | 32G |
| Code L | LEFT-HAND DRIVE | 19E |
| Code L | LEFT-HAND DRIVE | 46C |
| Code R | RIGHT-HAND DRIVE | 32G |
| Code R | RIGHT-HAND DRIVE | 19E |
| Code R | RIGHT-HAND DRIVE | 46C |
| H4/27 | Center instrument panel speaker | 48L |
| H4/42 | Left footwell woofer | 16L |
| H4/43 | Right footwell woofer | 18L |
| H4/62 | Left rear surround sound system midrange speaker | 43L |
| H4/63 | Right rear surround sound system midrange speaker | 45L |
| H4/68 | Left front door sound system tweeter | 30L |
| H4/68 | Left front door sound system tweeter | 26L |
| H4/69 | Right front door tweeter | 34L |
| H4/70 | Left rear door sound system tweeter | 39L |
| H4/71 | Right rear door sound system tweeter | 42L |
| H4/72 | Left front door midrange speaker | 31L |
| H4/72 | Left front door midrange speaker | 27L |
| H4/73 | Right front door midrange speaker | 36L |
| H4/80 | Left rear door sound system midrange speaker | 37L |
| H4/81 | Right rear door sound system midrange speaker | 40L |
| K40/5 | Rear fuse and relay module | 6L |
| K40/5f473 | Fuse 473 | 5L |
| MOST | Media Oriented System Transport | 52K |
| N112/9 | HERMES control unit | 13L |
| N40/3 | Sound system amplifier control unit | 4A |
| N40/3 | Sound system amplifier control unit | 12A |
| N40/3 | Sound system amplifier control unit | 20A |
| N40/3 | Sound system amplifier control unit | 28A |
| N40/3 | Sound system amplifier control unit | 36A |
| N40/3 | Sound system amplifier control unit | 44A |
| N40/3 | Sound system amplifier control unit | 51A |
| N40/3 | Sound system amplifier control unit | 56A |
| N40/3 | Sound system amplifier control unit | 69A |
| W3/8 | Right rear wheel well ground point | 5E |
| X1/64 | Left front door dual coil speaker electrical connector | 23H |
| X18 | Cockpit wiring harness and frame floor assembly electrical connector | 47G |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 47G |
| X30/21 | Drive train CAN (CAN C1) potential distributor electrical connector | 10L |
| X35/1 | Driver door electrical connector | 34G |
| X35/1 | Driver door electrical connector | 20E |
| X35/2 | Front passenger door electrical connector | 34G |
| X35/2 | Front passenger door electrical connector | 20E |
| X35/3 | Left rear door electrical connector | 37G |
| X35/4 | Right rear door electrical connector | 40G |
| Z28/5z1 | Left front door speaker group connector sleeve (+ signal) | 25G |
| Z28/6z1 | Left front door speaker group connector sleeve (- signal) | 27G |