Wiring diagram for AdBlue control unit - PE14.40-P-2101-97DAB
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ENGINE 642, 651 in MODEL 212 with CODE U77 (Diesel Emission control BLUETEC (SCR)) except CODE U42 (BlueTEC diesel exhaust treatment (SCR)) Control unit N118/5
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 56L |
| A103/1 | AdBlue® tank module | 50L |
| A103/1b5 | AdBlue® fill level sensor | 51K |
| A103/1r1 | AdBlue® tank heating element | 49K |
| A103/2 | AdBlue® delivery module | 53L |
| A103/2m1 | AdBlue® delivery pump | 53K |
| A103/2m2 | AdBlue® extraction pump | 54K |
| B16/15 | Temperature sensor upstream of SCR catalytic converter | 2L |
| CAN I | Drive train sensor CAN | 27K |
| CAN I | Drive train sensor CAN | 25K |
| Code 460 | Canada version | 3E |
| Code 494 | USA version | 3E |
| F37 | AdBlue® fuse block | 31G |
| F37f19 | Fuse 19 | 31F |
| F37f20 | Fuse 20 | 33F |
| F37f21 | Fuse 21 | 34F |
| F37f22 | Fuse 22 | 36F |
| K27/7 | AdBlue® supply relay | 38L |
| N10/1 | Front SAM control unit with fuse and relay module | 11L |
| N10/1 | Front SAM control unit with fuse and relay module | 33L |
| N10/1f25 | Fuse 25 | 32L |
| N10/1f25 | Fuse 25 | 9L |
| N10/1f6 | Fuse 6 | 10L |
| N10/2 | Rear SAM control unit with fuse and relay module | 41L |
| N118/5 | AdBlue® control unit | 20A |
| N118/5 | AdBlue® control unit | 28A |
| N118/5 | AdBlue® control unit | 36A |
| N118/5 | AdBlue® control unit | 44A |
| N118/5 | AdBlue® control unit | 52A |
| N3/9 | CDI control unit | 4A |
| N3/9 | CDI control unit | 12A |
| N3/9 | CDI control unit | 17A |
| N37/7 | Nitrogen oxides control unit downstream of diesel particulate filter | 25L |
| N37/7b1 | NOx sensor downstream of diesel particulate filter | 26L |
| N37/8 | Nitrogen oxides control unit downstream of SCR catalytic converter | 28L |
| N37/8b1 | NOx sensor downstream of SCR catalytic converter | 29L |
| N74 | Soot particulate sensor control unit | 5L |
| N74b1 | Soot particulate sensor | 6L |
| R7/1 | AdBlue® pressure line heating element | 46L |
| U12 | Valid for left-hand drive vehicles | 23D |
| U13 | Valid for right-hand drive vehicles | 23D |
| U880 | Valid for diesel engine 642 | 13A |
| U948 | Valid for diesel engine 651 | 13A |
| W15/1 | Right footwell ground point | 24D |
| W15/2 | Left footwell ground point | 24E |
| W18 | Left front seat crossmember ground point | 18H |
| W18 | Left front seat crossmember ground point | 30E |
| W18 | Left front seat crossmember ground point | 4F |
| W7/6 | Rear additional battery ground point | 47D |
| X206 | AdBlue® tank electrical connector | 44F |
| X30/38 | Potential distributor electrical connector (CAN I) | 19L |
| X86/1 | Nitrogen oxides control unit electrical connector | 27G |
| X86/1 | Nitrogen oxides control unit electrical connector | 23G |
| Y129 | AdBlue® metering valve | 43L |
| Z3z1 | Tml. 15 connector sleeve | 10E |
| Z7/44 | Sensor ground connector sleeve | 29H |
| Z7/48 | Circuit 87D2 connector sleeve | 28D |
| Z7/73 | Circuit 87 connector sleeve | 6D |
| Z89/1 | Tml. 30 connector sleeve | 40H |