P0203

P0203

Diagnosis information - DME V6 DFI

Injection valve for cylinder 3

Diagnostic conditions
- Battery positive voltage > 8 V
- Engine running

Possible fault causes
- Open circuit in voltage supply
- Open circuit in activation line
- Short circuit to ground in control line
- Short circuit to B+ in activation line
- Fuse F9 faulty in fuse carrier of plenum panel E-box
- Injection valve faulty

Affected contacts on the DFI control unit connector
Connector [A]:
- Contact 31
- Contact 18

Affected contacts on the injection valve component connector
- Contact 1 signal, ground
- Contact 2 power supply