(Wiring Diagram For Adblue Control Unit - PE14.40-P-2101-97NAA)
Model 166 with engine 642.8, 651.9 up to model year 2016
with code U42 (BlueTEC diesel exhaust treatment (SCR))
except code U77 (Diesel Emission control BLUETEC (SCR)) Control unit N118/5
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 64L |
| A103/1 | AdBlue® tank module | 51L |
| A103/1b1 | AdBlue® tank temperature sensor | 53L |
| A103/1b2 | Fill level sensor (full) | 52L |
| A103/1b3 | Fill level sensor (reserve) | 51L |
| A103/1b4 | Fill level sensor (empty) | 50L |
| A103/1r1 | AdBlue® tank heating element | 55L |
| A103/1r2 | AdBlue® pressure line heating element | 48L |
| A103/1x1 | AdBlue® tank module electrical connector | 46E |
| A103/1x2 | AdBlue® tank module fill level sensor electrical connector | 50G |
| A103/1x3 | AdBlue® tank module temperature sensor and heating element electrical connector | 53G |
| A103/1x4 | AdBlue® tank module pressure line heating element electrical connector 1 | 46G |
| A103/1x5 | AdBlue® tank module pressure line heating element electrical connector 2 | 47K |
| A103/1z1 | Connector sleeve/temperature sensor for AdBlue® tank module | 52H |
| A103/2 | AdBlue® delivery module | 60L |
| A103/2b1 | AdBlue® pressure sensor | 62L |
| A103/2m1 | AdBlue® delivery pump | 59L |
| A103/2r1 | AdBlue® delivery module heating element | 58L |
| A103/2x1 | AdBlue® delivery module electrical connector | 57E |
| A103/2y1 | AdBlue® switchover valve | 60L |
| A103/2z1 | AdBlue® delivery module switchover valve connector sleeve | 59G |
| A103/2z2 | Connector sleeve/delivery pump and heating element of AdBlue® delivery module | 58G |
| Code 494 | USA version | 22H |
| Code 790 | 2G | |
| F4 | Rear fuse box | 37L |
| F4 | Rear fuse box | 43L |
| F4f110 | Fuse 110 | 36L |
| F4f140 | Fuse 140 | 40L |
| F4f141 | Fuse 141 | 38L |
| F4f142 | Fuse 142 | 39L |
| F58 | Engine compartment fuse and relay module | 30L |
| F58f214 | Fuse 214 | 29L |
| N118/5 | AdBlue® control unit | 19A |
| N118/5 | AdBlue® control unit | 28A |
| N118/5 | AdBlue® control unit | 36A |
| N118/5 | AdBlue® control unit | 60A |
| N118/5 | AdBlue® control unit | 44A |
| N118/5 | AdBlue® control unit | 52A |
| N3/9 | CDI control unit | 9L |
| N3/9 | CDI control unit | 4L |
| N37/7 | NOx sensor control unit downstream of diesel particulate filter | 27L |
| N37/7b1 | NOx sensor downstream of diesel particulate filter | 28L |
| N37/8 | NOx sensor control unit downstream of SCR catalytic converter | 34L |
| N37/8b1 | NOx sensor downstream of SCR catalytic converter | 33L |
| N74 | Soot particulate sensor control unit | 24L |
| N74b1 | Soot particulate sensor | 25L |
| U1 | Valid for USA | 8H |
| U1 | Valid for USA | 8H |
| U12 | Valid for left-hand drive vehicles | 15F |
| U13 | Valid for right-hand drive vehicles | 14F |
| U2 | Valid for all except USA | 8H |
| U2 | Valid for all except USA | 8G |
| U880 | Valid for engine 642 | 7G |
| U880 | Valid for engine 642 | 22H |
| U948 | Valid for diesel engine 651 | 7H |
| U948 | Valid for diesel engine 651 | 7H |
| U948 | Valid for diesel engine 651 | 7H |
| W15/1 | Right footwell ground point | 15G |
| W15/1 | Right footwell ground point | 34D |
| W15/5 | Left front footwell ground point | 15G |
| W7 | Right rear center section ground point | 38E |
| W7 | Right rear center section ground point | 47C |
| W7 | Right rear center section ground point | 55C |
| X25/2 | Engine compartment/vehicle interior electrical connector | 29G |
| X30/38 | Potential distributor electrical connector (CAN I) | 18L |
| Y129 | AdBlue® metering valve | 45L |
| Z7/78 | Circuit 87 D4 connector sleeve | 32E |