Legend of electrical function diagram for common rail diesel injection (CDI), preheating - PE15.20-P-2050-60MAA
Model 164.1 with ENGINE 642.9 as of model year 09/YoM 08 model refinement package
Model 164.8 with ENGINE 642.9 as of model year 09/YoM 08
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 |
|---|---|---|
| A1 | Instrument cluster | 13E |
| A1e16 | Preglow indicator lamp | 14C |
| A8/1 | Transmitter key | 10H |
| B11/4 | Coolant temperature sensor | 6B |
| G2 | Generator | 6K |
| N3/9 | CDI control unit | 6D |
| N14/3 | Glow time output stage | 2G |
| N73 | EIS [EZS] control unit | 10G |
| R9/1 | Cylinder 1 glow plug | 2J |
| R9/2 | Cylinder 2 glow plug | 2J |
| R9/3 | Cylinder 3 glow plug | 2J |
| R9/4 | Cylinder 4 glow plug | 2J |
| R9/5 | Cylinder 5 glow plug | 2K |
| R9/6 | Cylinder 6 glow plug | 2K |
| R39/1 | Vent line heater element | 3B |
| CAN C | Engine compartment CAN | 9F |
| LIN C1 | Drive train LIN | 4F |
| LIN C1 | Drive train LIN | 6H |
| 1 | Circuit 50, status | 8E |
| 2 | Coolant temperature sensor, signal | 7D |
| 3 | Glow, request | 3E |
| 4 | Glow plugs, actuation | 3H |
| 5 | Preglow indicator lamp, actuation | 12E |
| 5 | Preglow indicator lamp, actuation | 15E |
| 6 | Circuit 61, status | 7G |
| 7 | Vent line heater element, actuation | 4D |