P0447

P0447

Driver for active carbon filter shut-off valve - open circuit

Diagnostic conditions
- Time after engine starts: 10 seconds
- Battery positive voltage between 10 V and 16 V

Possible cause of fault
- Open circuit in control line
- Fuse F1O faulty (fuse carrier in radiator tank E-box)
- Active carbon filter - shut-off valve faulty
- DME control module faulty

Affected terminals
DME control module plug A, pin 45, and pin 2 of active carbon filter shut-off valve plug

NOTE: The wire between fuse F10 and pin 2 of the active carbon filter shutoff valve plug is routed via pin 8 of connection KE 3

Diagnosis/troubleshooting