Legend of electrical function schematic for common rail diesel injection (CDI), quantity control - PE14.20-U-2051-60MAA
ENGINE 642.8/9 in MODEL 164 with CODE (U42) BLUETEC diesel exhaust gas cleaning as of Model Year 09
| Item | Designation | Coordinates |
|---|---|---|
| B1 | Oil temperature sensor | 9H |
| B2/6 | Left hot film MAF sensor | 2J |
| B2/7 | Right hot film MAF sensor | 3K |
| B4/6 | Rail pressure sensor | 7K |
| B5/1 | Charge pressure sensor | 9G |
| B6/1 | Camshaft Hall sensor | 2E |
| B11/4 | Coolant temperature sensor | 3D |
| B17/8 | Charge air temperature sensor | 9C |
| B28/5 | Pressure sensor downstream of air cleaner | 2G |
| B37 | Accelerator pedal sensor | 4C |
| B70 | Crankshaft Hall sensor | 7C |
| N3/9 | CDI control module | 6D |
| Y74 | Pressure regulator valve | 9J |
| Y76y1 | Fuel injector (1st cylinder) | 5K |
| Y76y2 | Fuel injector (2nd cylinder) | 5K |
| Y76y3 | Fuel injector (3rd cylinder) | 5L |
| Y76y4 | Fuel injector (4th cylinder) | 5L |
| Y76y5 | Fuel injector cylinder 5 | 5L |
| Y76y6 | Fuel injector cylinder 6 | 5L |
| Y94 | Volume control valve | 9E |
| 1 | Oil temperature sensor, signal | 8G |
| 2 | Hot film mass air flow sensor, signal | 4G |
| 3 | Hot film mass air flow sensor, signal | 4H |
| 4 | Rail pressure sensor, signal | 7H |
| 5 | Boost pressure sensor, signal | 8E |
| 6 | Camshaft Hall sensor, signal | 4E |
| 7 | Coolant temperature sensor, signal | 5D |
| 8 | Charge air temperature sensor, signal | 7D |
| 9 | Pressure sensor downstream of air filter, signal | 4F |
| 10 | Accelerator pedal sensor, signal | 5D |
| 11 | Crankshaft Hall sensor, signal | 7D |
| 12 | Fuel injectors, actuation | 6J |
| 13 | Quantity control valve, actuation | 9E |
| 14 | Pressure regulator valve, actuation | 8H |