Electrical function diagram for catalytic converter efficiency monitoring - PE49.10-U-2050-99MAA
WARNING: This page is about a different car, the 2010 Mercedes-Benz ML450. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| 2 | CHECK ENGINE indicator lamp, actuation | 7 E |
| A1 | Instrument cluster | 9 E |
| A1e26 | "CHECK ENGINE" MIL | 10 D |
| B70 | Crankshaft Hall sensor | 1 F |
| CAN C | Engine compartment CAN | 6 F |
| G3/3 | Left O2 sensor upstream TWC [KAT] | 4 J |
| G3/4 | Right O2 sensor upstream TWC [KAT] | 4 K |
| G3/5 | Left O2 sensor downstream TWC [KAT] | 4 B |
| G3/6 | Right O2 sensor downstream TWC [KAT] | 4 C |
| N3/10 | ME-SFI [ME] control module | 4 E |