Attention Assist Electrical Function Schematic - PE54.71-P-2054-97DCA
Model 238 up to model year 2021
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine running, signal | 26J |
| 1 | Engine running, signal | 29F |
| 10 | High-speed video link video signal data transfer, signal | 16J |
| 11 | Time, signal | 25H |
| 11 | Time, signal | 24D |
| 12 | Light sensor, status | 22H |
| 12 | Light sensor, status | 25H |
| 12 | Light sensor, status | 23F |
| 12 | Light sensor, status | 20G |
| 13 | Steering wheel angle sensor, signal | 37K |
| 14 | Steering wheel angle, signal | 27K |
| 15 | Steering wheel velocity, signal | 27K |
| 16 | Speed, turn rate and lateral acceleration, signal | 24K |
| 17 | Operation, signal | 14F |
| 17 | Operation, signal | 14E |
| 17 | Operation, signal | 25H |
| 17 | Operation, signal | 17F |
| 17 | Operation, signal | 22D |
| 17 | Operation, signal | 26C |
| 17 | Operation, signal | 36G |
| 17 | Operation, signal | 38C |
| 17 | Operation, signal | 39G |
| 17 | Operation, signal | 7F |
| 17 | Operation, signal | 7E |
| 18 | Steering column adjustment switch, status | 27K |
| 18 | Steering column adjustment switch, status | 35L |
| 19 | Combination switch, status | 28K |
| 19 | Combination switch, status | 34K |
| 2 | Drivetrain operational, signal | 26H |
| 2 | Drivetrain operational, signal | 29F |
| 20 | CRUISE CONTROL lever, signal | 28K |
| 20 | CRUISE CONTROL lever, signal | 35J |
| 3 | ATTENTION ASSIST, status | 25J |
| 3 | ATTENTION ASSIST, status | 23D |
| 3 | ATTENTION ASSIST, status | 29A |
| 4 | Instrument cluster message, request | 25F |
| 4 | Instrument cluster message, request | 27B |
| 5 | Warning message issue, request | 17F |
| 5 | Warning message issue, request | 25F |
| 5 | Warning message issue, request | 27B |
| 6 | Warning tone, request | 25G |
| 6 | Warning tone, request | 27B |
| 7 | Speaker, actuation | 27C |
| 8 | Multifunction steering wheel button group, signal | 26K |
| 8 | Multifunction steering wheel button group, signal | 26B |
| 8 | Multifunction steering wheel button group, signal | 25C |
| 8 | Multifunction steering wheel button group, signal | 36H |
| 8 | Multifunction steering wheel button group, signal | 38C |
| 8 | Multifunction steering wheel button group, signal | 39H |
| 9 | Audio/COMAND display, actuation | 14J |
| A1 | Instrument cluster | 29B |
| A105 | Touchpad | 9H |
| A105 | Touchpad | 9C |
| A26/17 | Head unit | 15E |
| A40/8 | Audio/COMAND display | 15J |
| A40/9 | Audio/COMAND control panel | 9F |
| B25/20 | Driver hands-free system microphone | 12F |
| B38/2 | Rain/light sensor with additional functions | 22G |
| B38/2b2 | Light sensor | 21J |
| CAN A | Telematics CAN | 15E |
| CAN A | Telematics CAN | 14H |
| CAN B | Interior CAN | 20E |
| CAN C1 | Drive train CAN | 30F |
| CAN H | Vehicle dynamics CAN | 22K |
| CAN HMI | User interface CAN | 16E |
| CAN HMI | User interface CAN | 20E |
| CAN HMI | User interface CAN | 18A |
| CAN HMI | User interface CAN | 26A |
| CAN HMI | User interface CAN | 25B |
| CAN LR | Steering wheel CAN | 38G |
| Code 275 | Memory package | 32L |
| Code 446 | Touchpad only | 7C |
| Code 448 | Touchpad | 8H |
| Flex E | Chassis FlexRay | 27K |
| Flex E | Chassis FlexRay | 26D |
| Flex E | Chassis FlexRay | 26E |
| Flex E | Chassis FlexRay | 24G |
| Flex E | Chassis FlexRay | 32K |
| Flex E | Chassis FlexRay | 33D |
| H4/61 | Instrument cluster speaker | 26C |
| HSVL | High-speed video link | 16H |
| LIN A3 | LCP LIN | 5F |
| LIN A3 | LCP LIN | 5E |
| LIN A3 | LCP LIN | 5E |
| LIN B16 | Rain and light sensor LIN | 21G |
| LIN E1 | Steering LIN | 36G |
| N10/6 | Front SAM control unit | 19F |
| N127 | Drivetrain control unit | 31E |
| N135 | Steering wheel electronics | 37D |
| N135 | Steering wheel electronics | 39D |
| N2/10 | Supplemental restraint system control unit | 20K |
| N3/10 | ME-SFI [ME] control unit | 31G |
| N3/9 | CDI control unit | 28G |
| N30/4 | Electronic Stability Program control unit | 25J |
| N49 | Steering wheel angle sensor | 37L |
| N72/1 | Upper control panel control unit | 2G |
| N72/1s58 | Vehicle button | 3G |
| N72/4 | Left lower control panel | 2A |
| N72/5 | Right lower control panel | 4A |
| N73 | Electronic ignition switch control unit | 24D |
| N80 | Steering column module control unit | 36J |
| S163/1 | Instrument cluster multifunction steering wheel button group | 36A |
| S163/1s10 | Instrument cluster finger navigation pad | 36A |
| S163/2 | Head unit multifunction steering wheel button group | 39B |
| S163/2s10 | Head unit finger navigation pad | 39A |
| S163/2s13 | "Back" button | 39A |
| S4 | Combination switch | 33K |
| S40/4 | Cruise control lever | 33J |
| S59 | Steering column adjustment switch | 34L |
| U1056 | Valid except code 446 (Touchpad only) | 7F |
| U74 | Valid for diesel engines | 27G |
| U75 | Valid for gasoline engines | 30G |