Wiring diagram for AdBlue control unit - PE14.40-P-2101-97DAA
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ENGINE 642, 651 in MODEL 212 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) except CODE U77 (Diesel Emission control BLUETEC (SCR))
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 56L |
| A103/1 | AdBlue® tank module | 37L |
| A103/1b1 | AdBlue® tank temperature sensor | 40L |
| A103/1b2 | Fill level sensor (full) | 37L |
| A103/1b3 | Fill level sensor (reserve) | 37L |
| A103/1b4 | Fill level sensor (empty) | 37L |
| A103/1r1 | AdBlue® tank heating element | 41L |
| A103/1r2 | AdBlue® pressure line heating element | 34L |
| A103/1x1 | AdBlue® tank module electrical connector | 33E |
| A103/1x2 | AdBlue® tank module fill level sensor electrical connector | 36G |
| A103/1x3 | AdBlue® tank module temperature sensor and heating element electrical connector | 39G |
| A103/1x4 | AdBlue® tank module pressure line heating element electrical connector 1 | 33G |
| A103/1x5 | AdBlue® tank module pressure line heating element electrical connector 2 | 34L |
| A103/1z1 | Connector sleeve / temperature sensor for AdBlue® tank module | 38H |
| A103/2 | AdBlue® delivery module | 46L |
| A103/2b1 | AdBlue® pressure sensor | 47L |
| A103/2m1 | AdBlue® delivery pump | 45L |
| A103/2r1 | AdBlue® delivery module heating element | 43L |
| A103/2x1 | AdBlue® delivery module electrical connector | 43E |
| A103/2y1 | AdBlue® switchover valve | 46L |
| A103/2z1 | AdBlue® delivery module switchover valve connector sleeve | 45H |
| A103/2z2 | Connector sleeve / delivery pump and heating element of AdBlue® delivery module | 44H |
| B16/15 | Temperature sensor upstream of SCR catalytic converter | 2L |
| CAN I | Drive train sensor CAN | 16K |
| CAN I | Drive train sensor CAN | 13K |
| F37 | AdBlue® fuse block | 19G |
| F37f19 | Fuse 19 | 20F |
| F37f20 | Fuse 20 | 21F |
| F37f21 | Fuse 21 | 23F |
| F37f22 | Fuse 22 | 24F |
| K27/7 | AdBlue® supply relay | 26L |
| N10/1 | Front SAM control unit with fuse and relay module | 4L |
| N10/1 | Front SAM control unit with fuse and relay module | 21L |
| N10/1f25 | Fuse 25 | 20L |
| N10/1f6 | Fuse 6 | 4L |
| N10/2 | Rear SAM control unit with fuse and relay module | 29L |
| N118/5 | AdBlue® control unit | 12A |
| N118/5 | AdBlue® control unit | 20A |
| N118/5 | AdBlue® control unit | 28A |
| N118/5 | AdBlue® control unit | 36A |
| N118/5 | AdBlue® control unit | 44A |
| N3/9 | CDI control unit | 3A |
| N37/7 | Nitrogen oxides control unit downstream of diesel particulate filter | 14L |
| N37/7b1 | NOx sensor downstream of diesel particulate filter | 14L |
| N37/8 | Nitrogen oxides control unit downstream of SCR catalytic converter | 17L |
| N37/8b1 | NOx sensor downstream of SCR catalytic converter | 18L |
| U880 | Valid for diesel engine 642 | 3A |
| U948 | Valid for diesel engine 651 | 3A |
| W15/1 | Right footwell ground point | 13E |
| W18 | Left front seat crossmember ground point | 8H |
| W18 | Left front seat crossmember ground point | 18E |
| W8/8 | Ground point (right rear end) | 33C |
| W8/8 | Ground point (right rear end) | 42C |
| W8/8 | Ground point (right rear end) | 41C |
| X30/38 | Potential distributor electrical connector (CAN I) | 10L |
| X86/1 | Nitrogen oxides control unit electrical connector | 15G |
| X86/1 | Nitrogen oxides control unit electrical connector | 12G |
| X86/1 | Nitrogen oxides control unit electrical connector | 1E |
| Y129 | AdBlue® metering valve | 32L |
| Z3z1 | Tml. 15 connector sleeve | 3E |
| Z7/44 | Sensor ground connector sleeve | 18H |
| Z7/48 | Circuit 87D2 connector sleeve | 17D |
| Z89/1 | Tml. 30 connector sleeve | 29H |