Electrical Function Schematic For Exhaust AFTERTREATMENT - Pe14.40-D-2050-97AA
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Glow, request | 10D |
| 10 | AdBlue pressure sensor, signal | 15H |
| 11 | AdBlue tank heating element, actuation | 14K |
| 12 | AdBlue delivery pump, actuation | 17K |
| 13 | AdBlue switchover valve, actuation | 18H |
| 14 | AdBlue pressure line heating element, actuation | 15K |
| 15 | AdBlue tank temperature sensor, signal | 16H |
| 16 | AdBlue fill level sensor, signal | 16H |
| 17 | AdBlue injection valve, actuation | 18J |
| 18 | Temperature sensor upstream of SCR catalytic converter, signal | 6E |
| 19 | AdBlue injection, message | 9H |
| 2 | Glow plugs, actuation | 12B |
| 20 | Shift characteristics adjustment, request | 7J |
| 21 | AdBlue delivery pump heating element, actuation | 16K |
| 22 | CHECK ENGINE indicator lamp, actuation | 8E |
| 22 | CHECK ENGINE indicator lamp, actuation | 8B |
| 23 | AdBlue system diagnosis, communication | 9J |
| 23 | AdBlue system diagnosis, communication | 14J |
| 23 | AdBlue system diagnosis, communication | 11G |
| 23 | AdBlue system diagnosis, communication | 10G |
| 23 | AdBlue system diagnosis, communication | 10F |
| 23 | AdBlue system diagnosis, communication | 11F |
| 24 | Instrument cluster, message | 9H |
| 24 | Instrument cluster, message | 8D |
| 24 | Instrument cluster, message | 7B |
| 25 | Oxygen sensor, signal | 5F |
| 26 | Temperature sensor upstream of turbocharger, signal | 5E |
| 3 | Fuel injectors, actuation | 4J |
| 4 | Diesel particulate filter differential pressure sensor, signal | 6H |
| 5 | Temperature sensor upstream of CAT, signal | 6G |
| 6 | Temperature sensor upstream of diesel particulate filter, signal | 6F |
| 7 | AdBlue injection, request | 14J |
| 8 | AdBlue fill level, message | 9H |
| 8 | AdBlue fill level, message | 8D |
| 8 | AdBlue fill level, message | 7B |
| 9 | NOx sensor, signal | 9G |
| 9 | NOx sensor, signal | 9F |
| A1 | Instrument cluster | 7B |
| A1e41 | "CHECK ENGINE" MIL | 7A |
| A1p1 | Display | 6A |
| A97/1 | Control unit for NOx sensor upstream of SCR-CAT | 12F |
| A97/2 | Control unit for NOx sensor downstream of SCR-CAT | 12G |
| B151 | AdBlue pressure sensor | 14G |
| B152 | AdBlue tank fill level sensor | 15G |
| B16/11 | Temperature sensor upstream of turbocharger | 3F |
| B16/12 | Temperature sensor upstream of SCR catalytic converter | 4C |
| B19/18 | Temperature sensor upstream of TWC [KAT] | 3G |
| B19/19 | Temperature sensor upstream of diesel particulate filter | 3F |
| B28/20 | Diesel particulate filter differential pressure sensor | 4K |
| B85/3 | Oxygen sensor | 3G |
| CAN C | Engine compartment CAN | 7H |
| CAN C | Engine compartment CAN | 7E |
| CAN I | Drive train sensor CAN | 10F |
| CAN I | Drive train sensor CAN | 11J |
| CAN I | Drive train sensor CAN | 10G |
| LIN C1 | Drive train LIN | 9E |
| M89 | AdBlue delivery pump | 16L |
| M89r1 | AdBlue delivery pump heating element | 15L |
| N14/3 | Glow output stage | 10B |
| N141 | AdBlue control unit | 15H |
| N15/3 | ETC [EGS] control unit | 6J |
| N3/30 | CDI control unit | 7F |
| R51 | AdBlue tank heating element | 14L |
| R51b1 | AdBlue tank temperature sensor | 16G |
| R52 | AdBlue injection line heating element | 15L |
| R9/1 | Cylinder 1 glow plug | 12B |
| R9/2 | Cylinder 2 glow plug | 12B |
| R9/3 | Cylinder 3 glow plug | 12C |
| R9/4 | Cylinder 4 glow plug | 12C |
| R9/5 | Cylinder 5 glow plug | 12C |
| R9/6 | Cylinder 6 glow plug | 12C |
| Y129 | AdBlue switchover valve | 18J |
| Y130 | AdBlue injection valve | 18J |
| Y76/18 | Cylinder 1 injector | 3J |
| Y76/19 | Cylinder 2 injector | 3K |
| Y76/20 | Cylinder 3 injector | 3K |
| Y76/21 | Cylinder 4 injector | 3K |
| Y76/22 | Cylinder 5 injector | 3K |
| Y76/23 | Cylinder 6 injector | 3L |
NOTE:
Figures run end to end to form a complete wiring diagram.