Legend of electrical function diagram for common rail diesel injection (CDI), ignition Off - PE15.10-P-2051-60MAB
Model 164.1 with ENGINE 642.8 with CODE (U42) BlueTEC diesel exhaust gas cleaning (SCR) with AdBlue/DEF as of model year. 09/YoM 08 model refinement package
Model 164.8 with ENGINE 642.8 with (U42) BLUETEC (SCR) diesel exhaust gas cleaning with AdBlue/DEF as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A8/1 | Transmitter key | 6K |
| A103/2m1 | AdBlue® delivery pump | 9L |
| A103/2y1 | AdBlue® reversing valve | 11L |
| B16/15 | Temperature sensor upstream of SCR catalytic converter | 3J |
| F4kO | Fuel pump relay | 8B |
| M3 | Right fuel pump | 10A |
| N3/9 | CDI control unit | 6D |
| N10/8 | Rear SAM control unit | 8C |
| N73 | EIS [EZS] control unit | 5J |
| N118/5 | AdBlue® control unit | 9J |
| Y74 | Pressure control valve | 5C |
| Y76 | Fuel injectors | 2F |
| Y94 | Quantity control valve | 4C |
| Y129 | AdBlue® metering valve | 7L |
| CAN C | Engine compartment CAN | 5H |
| CAN I | Drive train sensor CAN | 9F |
| 1 | Circuit 15, status OFF | 6G |
| 1 | Circuit 15, status OFF | 10H |
| 2 | Fuel pump, actuation | 8E |
| 2 | Fuel pump, actuation | 9A |
| 3 | Pressure regulator valve, actuation | 6C |
| 4 | Fuel injectors, actuation | 3E |
| 5 | Quantity control valve, actuation | 4D |
| 6 | Temperature sensor upstream of SCR catalytic converter, signal | 4G |
| 7 | AdBlue® metering valve, actuation | 7K |
| 8 | AdBlue® delivery pump, actuation | 9L |
| 9 | AdBlue® reversing valve, actuation | 11K |