P2149

P2149

Diagnosis information - DME V6 DFI

Power supply of fuel injectors

NOTE: The power supply for the fuel injectors is switched in pairs in the control unit.

Diagnostic conditions
- Battery positive voltage > 9 V
- Engine running

Possible fault causes
- Open circuit in activation line
- Short circuit to ground in activation line
- Short circuit to B+ in activation line
- Fuel injector faulty

Affected contacts on the DFI control unit connector
Connector [A]:

- Cylinders 1 and 2:
- Contact 2
- Contact 33
- Contact 1
- Contact 47

- Cylinders 3 and 5:
- Contact 18
- Contact 31
- Contact 17
- Contact 32

- Cylinders 4 and 6:
- Contact 3
- Contact 46
- Contact 16
- Contact 48

Affected contacts on the fuel injector connector
- Contact 1
- Contact 2