Legend of electrical function schematic for common rail diesel injection (CDI), ignition ON - PE15.10-U-2050-60MAB
ENGINE 642.8 in MODEL 164 with CODE (U42) BLUETEC diesel exhaust gas cleaning as of Model Year 09
| Item | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 8K |
| A1e16 | Preglow indicator lamp | 9H |
| A1e26 | "CHECK ENGINE" MIL | 6H |
| A8/1 | Transmitter key | 13H |
| F4kO | Fuel pump relay module | 10B |
| F58kD | Engine circuit 87 relay | 14B |
| M3 | Right fuel pump | 12A |
| N3/9 | CDI control module | 8D |
| N10 | Front SAM control unit | 15C |
| N10/8 | Rear SAM control module | 10C |
| N14/3 | Glow time output stage | 4H |
| N73 | EIS [EZS] control unit | 12H |
| N93 | Central gateway control module | 8A |
| N118/5 | AdBlue® control unit | 1E |
| R9/1 | Cylinder 1 glow plug | 3J |
| R9/2 | Cylinder 2 glow plug | 3J |
| R9/3 | Cylinder 3 glow plug | 3K |
| R9/4 | Cylinder 4 glow plug | 3K |
| R9/5 | Cylinder 5 glow plug | 3K |
| R9/6 | Cylinder 6 glow plug | 3K |
| X11/4 | Data link connector | 4C |
| CAN B | Interior CAN | 12D |
| CAN C | Engine compartment CAN | 8D |
| CAN C | Engine compartment CAN | 8H |
| CAN C | Engine compartment CAN | 13G |
| CAN D | Diagnostic CAN | 5B |
| CAN I | Drive train sensor CAN | 5F |
| LIN C1 | Drive train LIN | 5G |
| 1 | Preglow indicator lamp, actuation | 8J |
| 1 | Preglow indicator lamp, actuation | 9J |
| 2 | Fuel pump relay, actuation | 10E |
| 2 | Fuel pump relay, actuation | 11B |
| 3 | Engine circuit 87 relay, actuation | 14E |
| 3 | Engine circuit 87 relay, actuation | 15B |
| 4 | Engine control diagnosis, communication | 5C |
| 4 | Engine control diagnosis, communication | 8C |
| 5 | Glow, request | 5F |
| 6 | Glow plugs, actuation | 4J |
| 7 | EIS [EZS] control unit DAS [FBS] code, request | 9F |
| 8 | CDI control unit FBS code, message | 12H |
| 9 | CHECK ENGINE indicator lamp, actuation | 7J |
| 9 | CHECK ENGINE indicator lamp, actuation | 8J |
| 10 | AdBlue® fill level, message | 6E |
| 11 | AdBlue® system diagnosis, communication | 3E |