Electrical Function Diagram For Purging Function - PE47.30-P-2052-97FBH
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Engine 274.9 in Model 205.047/147/247
Engine 274.9 in Model 253.353/354/953/954
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Oxygen sensor sensor element, signal | 3F |
| 2 | Engine load, signal | 4G |
| 3 | Intake air temperature sensor, signal | 5D |
| 4 | Coolant temperature sensor, signal | 3E |
| 5 | Purging switchover valve, actuation | 3D |
| 6 | Engine speed, signal | 5G |
| 7 | Circuit 87, status | 7E |
| 8 | Engine running, signal | 9G |
| 9 | Purging pressure sensor, signal | 6D |
| B11/4 | Coolant temperature sensor | 1E |
| B17/7 | Charge air temperature sensor upstream of throttle valve | 5B |
| B17/9 | Charge air temperature sensor downstream of throttle valve | 5B |
| B28/7 | Pressure sensor downstream of throttle valve | 3H |
| B4/4 | Purging pressure sensor | 8B |
| B70 | Crankshaft Hall sensor | 5H |
| CAN C | Engine CAN | 8F |
| Code 494 | USA version | 7B |
| G3/2b1 | Sensor element of oxygen sensor upstream of catalytic converter | 2G |
| K40/8 | Engine fuse and relay module | 13D |
| K40/8kN | Circuit 87M relay | 10E |
| N127 | Drivetrain control unit | 9H |
| N3/10 | ME-SFI [ME] control unit | 5E |
| Y58/1 | Purge control valve | 3C |